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Home , Abeliophyllum, Abies homolepis, Abutilon pictum, Acanthus spinosus, Acer capillipes, Acer cappadocicum

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Abelia chinensis - Chinese abelia Abelia 'Edward Goucher' - abelia Abelia × grandiflora - glossy abelia Abelia × grandiflora 'Minipan' GOLDEN ANNIVERSARY - glossy abelia Abelia × grandiflora 'Panache' SILVER ANNIVERSARY - glossy abelia Abelia × grandiflora 'Sherwoodii' - glossy abelia Abelia mosanensis - fragrant abelia Abeliophyllum distichum - white Abelmoschus esculentus - okra Abelmoschus moschatus - musk mallow Abies balsamea - balsam Abies balsamea 'Jamy' - balsam fir Abies balsamea 'Nana' - balsam fir Abies concolor - white fir Abies firma - momi fir Abies fraseri - Frazier fir Abies fraseri 'Kline's Nest' - Frazier fir Abies grandis - grand fir Abies homolepis - Nikko fir Abies koreana - Korean fir Abies koreana 'Silberlocke' - Korean fir Abies nordmanniana - Caucasian fir Abies nordmanniana 'Brandt' - Caucasian fir Abies nordmanniana subsp. equitrojani - Caucasian fir Abies pinsapo - Spanish fir × hybridum - flowering- Abutilon × hybridum 'Bella Red' - flowering-maple Abutilon 'Moonchimes' - flowering-maple Abutilon pictum 'Gold Dust' - flowering-maple Acalypha hispida - red hot cat's tail Acalypha wilkesiana - Jacob's coat hungaricus - bear's breeches - bear's breeches Acanthus mollis 'Tasmanian Angel' - bear's breeches Acanthus montanus - mountain thistle Acanthus spinosus - bear's breeches Acanthus 'Summer Beauty' - bear's breeches

Acer buergerianum - trident maple - hedge maple Acer campestre 'Evelyn' ELIZABETH - hedge maple Acer campestre 'Postelense' - hedge maple - - coliseum maple Acer carpinifolium - maple Acer cissifolium - ivy-leaved maple - snakebark maple Acer × freemanii 'Armstrong' - Freeman maple Acer × freemanii 'Jeffersred' AUTUMN BLAZE - Freeman maple Acer × freemanii 'Marmo' - Freeman maple Acer × freemanii 'Scarsen' SCARLET SENTINEL - Freeman maple - paperbark maple Acer japonicum - full moon maple Acer japonicum 'Aconitifolium' - full moon maple Acer japonicum 'Green Cascade' - full moon maple Acer japonicum 'O-isami' - full moon maple Acer japonicum 'Vitifolium' - full moon maple Acer macrophyllum - bigleaf maple - Nikko maple Acer miyabei - maple Acer miyabei 'Morton' STATE STREET - miyabe maple Acer monspessulanum - Montpellier maple - boxelder Acer negundo 'Flamingo' - boxelder Acer oliverianum - Chinese maple - Japanese maple Acer palmatum 'Arakawa' - Japanese maple Acer palmatum 'Beni-kawa' - Japanese maple Acer palmatum 'Beni-tsukasa' - Japanese maple Acer palmatum 'Bloodgood' - Japanese maple Acer palmatum 'Burgundy Lace' - Japanese maple Acer palmatum 'Butterfly' - Japanese maple Acer palmatum 'Fall's Fire' - Japanese maple Acer palmatum 'Germaine's Gyration' - Japanese maple Acer palmatum 'Higasayama' - Japanese maple Acer palmatum 'Hogyoku' - Japanese maple Acer palmatum 'Katsura' - Japanese maple Acer palmatum 'Murasaki-hime' - Japanese maple Acer palmatum 'Nuresagi' - Japanese maple Acer palmatum 'Omurayama' - Japanese maple Acer palmatum 'Osakazuki' - Japanese maple Acer palmatum 'Oshio-beni' - Japanese maple Acer palmatum 'Red Select' - Japanese maple Acer palmatum 'Sango-kaku' - Japanese maple Acer palmatum 'Satsuki-beni' - Japanese maple Acer palmatum 'Scolopendrifolium' - Japanese maple Acer palmatum 'Shaina' - Japanese maple

Acer palmatum 'Sharp's Pygmy' - Japanese maple Acer palmatum 'Sherwood Flame' - Japanese maple Acer palmatum 'Shindeshojo' - Japanese maple Acer palmatum 'Shishigashira' - Japanese maple Acer palmatum 'Shishio Improved' - Japanese maple Acer palmatum 'Suminagashi' - Japanese maple Acer palmatum 'Trompenburg' - Japanese maple Acer palmatum 'Tsuma-gaki' - Japanese maple Acer palmatum 'Utsu-semi' - Japanese maple Acer palmatum var. dissectum - Japanese maple Acer palmatum var. dissectum 'Crimson Queen' - Japanese maple Acer palmatum var. dissectum 'Dissectum Atropurpureum' - Japanese maple Acer palmatum var. dissectum Dissectum Viride Group - Japanese maple Acer palmatum var. dissectum 'Filigree' - Japanese maple Acer palmatum var. dissectum 'Garnet' - Japanese maple Acer palmatum var. dissectum 'Inaba-shidare' - Japanese maple Acer palmatum var. dissectum 'Red Dragon' - Japanese maple Acer palmatum var. dissectum 'Seiryu' - Japanese maple Acer palmatum var. dissectum 'Tamukeyama' - Japanese maple Acer palmatum var. dissectum 'Waterfall' - Japanese maple Acer palmatum 'Villa Taranto' - Japanese maple Acer palmatum 'Wolff' EMPEROR I - Japanese maple - snakebark maple Acer pentaphyllum - maple - painted maple Acer pictum subsp. mono - painted maple - maple Acer platanoides '' - Norway maple Acer platanoides 'Deborah' - Norway maple Acer platanoides 'Emerald Queen' - Norway maple Acer platanoides 'Superform' - Norway maple Acer pseudoplatanus - sycamore maple Acer pseudoplatanus f. variegatum 'Simon-Louis Freres' - sycamore maple Acer pseudosieboldianum - Korean maple Acer rubrum - red maple Acer rubrum 'Autumn Flame' - red maple Acer rubrum 'Brandywine' - red maple Acer rubrum 'Columnare' - red maple Acer rubrum 'Franksred' RED - red maple Acer rubrum 'Karpick' - red maple Acer rubrum 'Northwood' - red maple Acer rubrum 'October Glory' - red maple Acer rubrum 'Sun Valley' - red maple Acer saccharinum - silver maple Acer saccharinum 'Silver Queen' - silver maple Acer saccharum - sugar maple Acer saccharum 'Bailsta' FALL - sugar maple Acer saccharum 'Goldspire' - sugar maple Acer saccharum 'Green Mountain' - sugar maple

Acer saccharum 'Newton Sentry' - sugar maple Acer saccharum subsp. grandidentatum - bigtooth maple Acer saccharum subsp. nigrum - black maple Acer saccharum subsp. nigrum 'Green Column' - black maple Acer saccharum 'Sweet Shadow' - sugar maple 'Aureum' - full moon maple Acer tataricum - tatarian maple Acer tataricum subsp. ginnala - Amur maple Acer tataricum subsp. ginnala 'Flame' - Amur maple Acer tataricum subsp. ginnala 'Mandy' RED RHAPSODY - Amur maple - three-flowered maple - shantung maple aegyptiaca var. taygetea - egyptian yarrow Achillea ageratifolia - Greek yarrow Achillea 'Anblo' ANTHEA - yarrow Achillea 'Apfelblüte' APPLEBLOSSOM - yarrow Achillea 'Coronation Gold' - yarrow Achillea 'Feuerland' FIRELAND - yarrow Achillea filipendulina - fern- yarrow Achillea filipendulina 'Altgold' - fern-leaf yarrow Achillea filipendulina 'Cloth of Gold' - fern-leaf yarrow Achillea filipendulina 'Gold Coin Dwarf' - fern-leaf yarrow Achillea filipendulina 'Gold Plate' - fern-leaf yarrow Achillea filipendulina 'Parker's Variety' - fern-leaf yarrow Achillea 'Martina' - yarrow Achillea millefolium - yarrow Achillea millefolium f. rosea - yarrow Achillea millefolium 'Montrose Rose' - yarrow Achillea millefolium 'Orange Queen' - yarrow Achillea millefolium '' - yarrow Achillea millefolium 'Peachy Seduction' - yarrow Achillea millefolium 'egranate' - yarrow Achillea millefolium 'Pretty Belinda' - yarrow Achillea millefolium 'Red Beauty' - yarrow Achillea millefolium 'Saucy Seduction' - yarrow Achillea millefolium 'Sunny Seduction' - yarrow Achillea 'Mondpagode' MOON PAGODA - yarrow Achillea 'Moonshine' - yarrow Achillea ptarmica 'Gipi Whit' GYPSY WHITE - sneezewort Achillea ptarmica The Pearl Group - sneezewort Achillea 'Schwellenburg' - yarrow Achillea sibirica - Siberian yarrow Achillea sibirica 'Stephanie Cohen' - Siberian yarrow Achillea sibirica subsp. camschatica 'Love Parade' - yarrow Achillea 'Snow Sport' - yarrow Achillea Summer Pastels Group - yarrow Achillea 'Summerwine' - yarrow Achillea 'Terracotta' - yarrow Achillea tomentosa 'Aurea' - woolly yarrow

Achillea 'Walther Funcke' - yarrow Achimenes group - hot water plant carmichaelii - azure monkshood Aconitum carmichaelii 'Arendsii' - azure monkshood Aconitum 'Eleonara' - monkshood Aconitum napellus - monkshood Aconitum 'Spark's Variety' - monkshood Acorus calamus - sweet flag Acorus calamus 'Variegatus' - sweet flag Acorus gramineus - grassy-leaved sweet flag Acorus gramineus 'Minimus Aureus' - grassy-leaved sweet flag Acorus gramineus 'Oborozuki' - grassy-leaved sweet flag Acorus gramineus 'Ogon' - grassy-leaved sweet flag Acorus gramineus 'Pusillus Minimus Aureus' - grassy-leaved sweet flag Acorus gramineus 'Variegatus' - grassy-leaved sweet flag dahurica - bugbane 'White Pearl' - bugbane - white baneberry Actaea 'Pink Spire' - bugbane - bugbane - black cohosh - bugbane Actaea simplex Atropurpurea Group - bugbane Actaea simplex Atropurpurea Group 'Black Negligee' - bugbane Actaea simplex Atropurpurea Group 'Brunette' - bugbane Actaea simplex Atropurpurea Group 'Hillside Black Beauty' - bugbane Actaea simplex Atropurpurea Group 'James Compton' - bugbane Actinidia arguta - hardy kiwi Actinidia arguta 'Issai' - hardy kiwi Actinidia deliciosa - kiwifruit Actinidia kolomikta - variegated kiwi vine obesum - desert rose Adenophora 'Amethyst' - ladybells Adenophora liliifolia - ladybells Adiantum capillus-veneris - maidenhair fern Adiantum hispidulum - rough maidenhair fern Adiantum pedatum - Northern maidenhair fern Adiantum raddianum - delta maidenhair fern Aechmea fasciata - urn plant Aegopodium podagraria 'Variegatum' - bishop's weed radicans - lipstick plant × carnea - red horse chestnut Aesculus × carnea 'Briotii' - red horse chestnut Aesculus × carnea 'Marginata' - red horse chestnut Aesculus chinensis - Chinese horse chestnut - yellow buckeye Aesculus glabra - buckeye Aesculus hippocastanum - horse chestnut Aesculus hippocastanum 'Baumannii' - horse chestnut

Aesculus indica 'Sydney Pearce' - Indian horse chustnut Aesculus parviflora - bottlebrush buckeye Aesculus parviflora var. serotina - bottlebrush buckeye Aesculus parviflora var. serotina 'Rogers' - bottlebrush buckeye Aesculus pavia - red buckeye Aesculus × woerlitzensis - buckeye Agalinis tenuifolia - slenderleaf false foxglove africanus - African lily Agapanthus group - lily of the Nile 'Apricot Sunrise' - giant hyssop Agastache 'Ava' - giant hyssop Agastache 'Black Adder' - giant hyssop Agastache 'Blue Fortune' - giant hyssop Agastache cana 'Sinning' SONORAN SUNSET - giant hyssop Agastache 'Firebird' - giant hyssop Agastache foeniculum - hyssop Agastache 'Garden Leader Blue' - giant hyssop Agastache nepetoides - yellow giant hyssop Agastache 'Pink Pop' - giant hyssop Agastache 'Purple Haze' - giant hyssop Agastache 'Raspberry Summer' - giant hyssop 'Golden Jubilee' - purple giant hyssop Agastache rugosa 'Honey Blue' - giant hyssop Agastache rupestris - threadleaf giant hyssop Agastache rupestris 'Apache Sunset' - threadleaf giant hyssop Agastache 'Summer Breeze' - giant hyssop Agastache SUMMER GLOW - giant hyssop Agastache 'Summer Love' - giant hyssop Agastache 'Tutti-frutti' - giant hyssop Agave americana - century plant Agave attenuata - century plant Agave 'Blue Glow' - century plant Agave desmetiana - spineless jade agave Agave parryi - Parry's agave Agave schidigera 'Shira-ito-no-ohi' - century plant Ageratina altissima - white snakeroot Ageratina altissima '' houstonianum - floss Ageratum houstonianum 'Blue Horizon' - floss flower Aglaia odorata - chu-lan Aglaonema commutatum - poison dart plant Aglaonema 'Silver Queen' - Chinese evergreen Agrostis palustris NO MOW - creeping bent grass Agrostis palustris 'Pennlinks' - cloud grass Ailanthus altissima - tree of Heaven Ajania pacifica - ajania Ajania pacifica 'Pink Ice' - ajania Ajuga reptans - bugleweed Ajuga reptans 'Arctic Fox' - bugleweed

Ajuga reptans 'Atropurpurea' - bugleweed Ajuga reptans 'Binblasca' BLACK SCALLOP - bugleweed Ajuga reptans 'Braunherz' - bugleweed Ajuga reptans 'Burgundy Glow' - bugleweed Ajuga reptans 'Catlin's Giant' - bugleweed Ajuga reptans 'Dixie Chip' - bugleweed Ajuga reptans 'Mahogany' - bugleweed Ajuga reptans 'Purple Brocade' - bugleweed Ajuga reptans 'Purple Torch' - bugleweed Ajuga reptans 'Silver Beauty' - bugleweed Ajuga reptans 'Toffee Chip' - bugleweed Ajuga reptans 'Valfredda' CHOCOLATE CHIP - bugleweed Ajuga 'Sparkler' - bugleweed Akebia quinata - chocolate vine Alangium platanifolium - alangium Alangium platanifolium var. macrophyllum - alangium Albizia julibrissin - mimosa Albizia julibrissin 'Summer Chocolate' - mimosa Albizia saman - rain tree Alcea rosea 'Nigra' - hollyhock Alcea rosea single - hollyhock Alcea rugosa - hollyhock Alchemilla mollis - lady's mantle Alchemilla mollis 'Thriller' - lady's mantle Aleurites fordii - tung-oil tree Aleurites moluccana - candlenut tree Alisma plantago-aquatica var. americanum - northern water plantain Allamanda cathartica - golden trumpet Allamanda schottii - bush allamanda altaicum - - Allium babingtonii - wild leek - ornamental onion Allium cepa - onion - nodding onion Allium christophii - star of Persia - Allium 'Forelock' - ornamental onion Allium giganteum - ornamental onion Allium 'Globemaster' - ornamental onion - ornamental onion Allium kunthianum - allium Allium lusitanicum - German Allium 'Millenium' - ornamental onion - golden garlic Allium porrum - leek Allium 'Purple Sensation' - ornamental onion Allium sativum - garlic Allium sativum 'Inchelium Red' - garlic

Allium sativum 'Music' - garlic Allium sativum 'Spanish Roja' - garlic Allium schoenoprasum - Allium schoenoprasum 'Snowcap' - chives Allium schubertii - ornamental onion Allium senescens - German garlic Allium senescens 'Blue Eddy' - German garlic Allium senescens 'Blue Twister' - German garlic Allium senescens subsp. glaucum - German garlic - round-headed leek - onion Allium 'Sugar Melt' - ornamental onion Allium thunbergii 'Ozawa' - ornamental onion - garlic chives - wild garlic Alnus cordata - Italian alder Alnus glutinosa - black alder Alnus incana - grey alder Alnus incana subsp. rugosa - hazel alder Alnus japonica - Japanese alder Alnus maritima - seaside alder Alnus maritima subsp. oklahomensis 'September Sun' - seaside alder Alnus × mayrii - alder Alnus serrulata - hazel alder Alocasia group - elephant's ear Aloe vera - aloe Aloysia citriodora - lemon verbena - siamese Alpinia japonica - ginger lily Alpinia zerumbet - shell ginger Alpinia zerumbet 'Variegata' - shell ginger Alstroemeria aurea - lily of the Incas Alstroemeria 'Sweet Laura' - lily of the Incas Alstroemeria 'The Third Harmonic' - lily of the Incas dentata - Joseph's coat Alternanthera ficoidea - Joseph's coat Alyssum murale - yellow tuft Amaranthus caudatus - love-lies-bleeding Amaranthus tricolor - tampala Amaranthus tricolor vegetable group - tampala alnifolia 'Regent' - alder-leaved serviceberry Amelanchier alnifolia var. pumila - dwarf serviceberry - serviceberry - serviceberry Amelanchier × grandiflora 'Autumn Brilliance' - serviceberry Amelanchier × grandiflora 'Princess Diana' - apple serviceberry - Allegheny serviceberry Amelanchier lamarckii - juneberry Amelanchier nantucketensis - Nantucket serviceberry

Amelanchier stolonifera - running serviceberry canescens - lead plant - false indigo Amorpha ouachitensis - Ouachita Mountain leadplant Ampelopsis aconitifolia var. glabra - monkshood vine Ampelopsis brevipedunculata - porcelain vine Ampelopsis brevipedunculata var. maximowiczii 'Elegans' - porcelain vine Amsonia 'Blue Ice' - blue star Amsonia ciliata - blue star Amsonia ciliata 'Halfway to ' - blue star Amsonia ciliata var. filifolia - blue star Amsonia ciliata var. filifolia ' Pancake' - blue star Amsonia hubrichtii - blue star Amsonia illustris - shining blue star Amsonia 'Midway to Montana' - blue star Amsonia 'Seaford Skies' - blue star Amsonia tabernaemontana - blue star Amsonia tabernaemontana 'Montana' - blue star Amsonia tabernaemontana 'Short Stack' - dwarf blue star Amsonia tabernaemontana var. salicifolia - blue star Anagallis monelli - blue pimpernel Ananas comosus - pineapple Ananas comosus var. variegatus - variegated pineapple margaritacea - pearly everlasting Anaphalis triplinervis - pearly everlasting Anchusa azurea 'Dropmore' - blue bugloss Anchusa azurea 'Loddon Royalist' - blue bugloss Andropogon capillipes 'Valdosta Blue' - bluestem Andropogon gerardii - big blue stem Andropogon gerardii 'Red October' - big blue stem Andropogon glomeratus - bluestem Anemone blanda - windflower Anemone blanda 'Blue Shades' - windflower Anemone blanda 'Blue Star' - windflower Anemone blanda 'White ' - windflower Anemone canadensis - windflower Anemone coronaria - windflower Anemone cylindrica - windflower Anemone hupehensis - Japanese anemone Anemone hupehensis 'Hadspen Abundance' - Japanese anemone Anemone hupehensis var. japonica 'Bodnant Burgundy' - Japanese anemone Anemone hupehensis var. japonica 'Pamina' - Japanese anemone Anemone hupehensis var. japonica 'Prinz Heinrich' - Japanese anemone Anemone × hybrida 'Andrea Atkinson' - windflower Anemone × hybrida 'Honorine Jobert' - windflower Anemone × hybrida 'Königin Charlotte' QUEEN CHARLOTTE - Japanese anemone Anemone × hybrida 'Lady Gilmour' - windflower Anemone × hybrida 'Pretty Lady Diana' - windflower Anemone × hybrida 'September Charm' - Japanese anemone

Anemone × lesseri - windflower Anemone narcissiflora - windflower Anemone nemorosa - windflower Anemone nemorosa 'Lychette' - anemone Anemone sylvestris - snowdrop windflower Anemone tomentosa - windflower Anemone virginiana - thimbleweed Anemonella thalictroides - rue-anemone Anethum graveolens - - garden angelica Angelica atropurpurea - masterwort Angelonia angustifolia - angelonia Angelonia angustifolia SERENA MIXTURE - angelonia Anigozanthos flavidus - tall kangaroo paw Annona muricata - soursop Annona reticulata - sugar apple Anomatheca laxa - anomatheca Antennaria dioica - pussytoes Antennaria parlinii - pussy toes Antennaria plantaginifolia - pussytoes Anthemis tinctoria - Dyers' chamomile Anthemis tinctoria 'Kelwayi' - Dyer's chamomile Anthemis tinctoria 'Moonlight' - golden marguerite liliago - St. Bernard's lily Anthurium andraeanum - anthurium Antigonon leptopus - coral vine Antirrhinum 'Dulcinea's Heart' - snapdragon Antirrhinum majus - snapdragon Aphelandra squarrosa - zebra plant Apium graveolens var. dulce - Apium graveolens var. rapaceum - celeriac Apium graveolens var. rapaceum 'Diamant' - celeriac cannabinum - Indian Aponogeton distachyos - Cape pondweed Aptenia cordifolia - heartleaf ice plant Biedermeier Group Aquilegia 'Bunting' - columbine Aquilegia caerulea - columbine Aquilegia caerulea 'Rotstern' - columbine - columbine Aquilegia canadensis 'Corbett' - columbine Aquilegia canadensis 'Little Lanterns' - columbine Aquilegia chrysantha var. hinckleyana - columbine Aquilegia chrysantha 'Yellow Queen' - columbine Aquilegia 'Dove' - columbine Aquilegia flabellata 'Ministar' - fan columbine Aquilegia flabellata var. pumila - fan columbine Aquilegia flabellata var. pumila 'Alba' - fan columbine Aquilegia flabellata var. pumila 'Rosea' - columbine

Aquilegia flabellata var. pumila 'Silver Edge' - fan columbine Aquilegia fragrans - sweet-scented columbine Aquilegia McKana Group - columbine Aquilegia 'Music Mix' - columbine Aquilegia olympica - columbine Aquilegia 'Red Hobbit' - columbine Aquilegia 'Remembrance' - columbine Aquilegia Songbird Series 'Cardinal' - columbine Aquilegia 'Spezialrasse' - columbine Aquilegia 'Swallowtail' - columbine Aquilegia viridiflora 'Chocolate Soldier' - columbine Aquilegia vulgaris - columbine Aquilegia vulgaris Grandmother's Garden Group - columbine Aquilegia vulgaris var. flore-pleno 'Blue Bonnet' - columbine Aquilegia vulgaris var. flore-pleno 'Tower White' - columbine Aquilegia vulgaris var. stellata 'Ruby Port' - columbine Aquilegia vulgaris Vervaeneana Group - columbine Aquilegia vulgaris 'William Guiness' - columbine Aquilegia vulgaris 'Woodside Golden' - columbine Aquilegia 'Winky Blue and White' - columbine Arabis alpina subsp. caucasica - mountain rockcress Arachniodes simplicior 'Variegata' - arachnoides Aralia elata - angelica tree Aralia racemosa - American spikenard Aralia spinosa - Devil's walking stick araucana - monkey-puzzle tree Araucaria columnaris - New Caledonian pine - Norfolk Island pine Arbutus unedo - strawberry tree Arctostaphylos uva-ursi - common bearberry Arctostaphylos uva-ursi 'Big Bear' - common bearberry Arctostaphylos uva-ursi 'Massachusetts' - common bearberry Arctostaphylos uva-ursi 'Wood's Red' - bearberry Arctotis × hybrida - African daisy crenata - coralberry Argemone polyanthemos - prickly poppy Argyranthemum frutescens - cobbitty daisy Argyrocytisus battandieri - Moroccan broom dracontium - dragon root Arisaema kishidae 'Silver Pattern' - Japanese cobra lily Arisaema kiushianum - arisaema Arisaema ringens - arisaema Arisaema serratum - arisaema Arisaema sikokianum - Japanese cobra lily Arisaema thunbergii subsp. urashima - arisaema - jack-in-the-pulpit Arisarum proboscideum - mouse plant littoralis - calico flower Aristolochia macrophylla - Dutchman's pipe

Aristolochia manshuriensis - birthwort Aristolochia tomentosa - Dutchman's pipe Armeria maritima - sea thrift Armeria maritima 'Alba' - sea thrift Armeria maritima 'Düsseldorfer Stolz' DUSSELDORF PRIDE - thrift Armeria maritima 'Little Penny' - thrift Armeria maritima 'Rubrifolia' - sea thrift Armeria maritima 'Splendens' - thrift Armeria 'Nifty Thrifty' - sea thrift Armoracia rusticana - Aronia arbutifolia - chokeberry Aronia arbutifolia 'Brilliantissima' - chokeberry Aronia melanocarpa - black chokeberry Aronia melanocarpa 'Autumn Magic' - black chokeberry Aronia melanocarpa 'Estland' - black chokeberry Aronia melanocarpa 'Morton' IROQUOIS BEAUTY - black chokeberry Aronia melanocarpa 'Professor Ed' - black chokeberry Aronia melanocarpa var. elata - black chokeberry Aronia × prunifolia - purple-fruited chokeberry Artemisia abrotanum - southernwood Artemisia absinthium - wormwood Artemisia afra - Artemisia capillaris - wormwood Artemisia dracunculus - Artemisia dracunculus 'Sativa' - French tarragon Artemisia frigida - silky wormwood Artemisia lactiflora Group - white mugwort Artemisia ludoviciana - white sage Artemisia ludoviciana 'Silver Frost' - western mugwort Artemisia ludoviciana 'Silver King' - white sage Artemisia ludoviciana 'Valerie Finnis' - western mugwort Artemisia 'Powis Castle' - wormwood Artemisia 'Tiny Green' - wormwood Artemisia vulgaris 'Cragg-Barber Eye' - wormwood Artemisia vulgaris 'Janlim' ORIENTAL LIMELIGHT - wormwood Artocarpus heterophyllus - jackfruit Arum italicum - Italian arum Arum italicum subsp. italicum 'Marmoratum' - Italian arum Aruncus aethusifolius - goat's beard Aruncus dioicus - goat's beard Aruncus dioicus 'Kneiffii' - goatsbeard Aruncus dioicus 'Zweiweltenkind' - goatsbeard Aruncus 'Horatio' - aruncus Aruncus 'Misty Lace' - aruncus Arundina graminifolia - bamboo orchid Arundinaria gigantea - giant cane bamboo Arundo donax - giant reed Asarina procumbens - trailing snapdragon canadense - wild ginger

Asarum europaeum - European wild ginger Asarum shuttleworthii - wild ginger curassavica - blood flower Asclepias incarnata - swamp milkweed Asclepias incarnata 'Cinderella' - swamp milkweed Asclepias incarnata 'Ice Ballet' - swamp milkweed Asclepias incarnata 'Soulmate' - swamp milkweed Asclepias purpurascens - purple milkweed Asclepias speciosa - showy milkweed Asclepias sullivantii - prairie milkweed Asclepias syriaca - common milkweed Asclepias tuberosa - butterfly weed Asclepias tuberosa 'Hello Yellow' - butterfly weed Asclepias viridis - green milkweed Asimina triloba - pawpaw Asparagus densiflorus - asparagus fern Asparagus densiflorus 'Myersii' - foxtail fern Asparagus officinalis 'Jersey Knight' - asparagus Asparagus 'Purple Passion' - asparagus Asparagus setaceus - asparagus fern Asperula gussonii - woodruff Asphodeline lutea - king's spear Aspidistra elatior - cast-iron plant Asplenium × ebenoides - walking spleenwort Asplenium nidus - 's nest fern Asplenium platyneuron - ebony spleenwort Asplenium scolopendrium - hart's tongue fern Asplenium scolopendrium Crispum Group - hart's tongue fern Asplenium scolopendrium Undulatum Group - hart's tongue fern Aster alpinus - Alpine aster Aster amellus 'Veilchenkönigin' VIOLET QUEEN - Italian aster Aster 'Celeste' - michaelmas daisy Aster × frikartii 'Flora's Delight' - aster Aster × frikartii 'Jungfrau' - aster Aster × frikartii 'Monch' - aster Aster × frikartii 'Wunder von Stafa' - aster Aster 'Little Carlow' - aster Aster sedifolius 'Nanus' - aster Aster tataricus - tartarian aster Aster tataricus 'Jindai' - tatarian aster Aster 'Wood's Pink' - aster Aster 'Wood's Purple' - aster Asteriscus maritimus - astericus Astilbe 'Alive and Kicking' - astilbe Astilbe × arendsii 'Amethyst' - astilbe Astilbe × arendsii 'Augustleuchten' AUGUST LIGHT - astilbe Astilbe × arendsii 'Cattleya' - astilbe Astilbe × arendsii 'Fanal' - astilbe Astilbe × arendsii 'Irrlicht' - astilbe

Astilbe × arendsii 'Rote Cattleya' RED CATTLEYA - astilbe Astilbe × arendsii 'Rotlicht' RED LIGHT - astilbe Astilbe 'Burgunderrot' BURGUNDY RED - astilbe Astilbe chinensis 'Darwin's ' - Chinese astilbe Astilbe chinensis 'Diamonds and Pearls' - Chinese astilbe Astilbe chinensis 'Finale' - Chinese astilbe Astilbe chinensis 'Love and Pride' - Chinese astilbe Astilbe chinensis 'Purpurkerze' PURPLE CANDLE - Chinese astilbe Astilbe chinensis var. davidii - Chinese astilbe Astilbe chinensis var. pumila - Chinese astilbe Astilbe chinensis var. taquetii 'Superba' - Chinese astilbe Astilbe chinensis 'Vision in Red' - Chinese astilbe Astilbe chinensis 'Visions' - Chinese astilbe Astilbe 'Darwin's Dream' - astilbe Astilbe 'Deutschland' - astilbe Astilbe 'Erica' - astilbe Astilbe 'Federsee' - astilbe Astilbe 'Flamingo' - astilbe Astilbe 'Heart and Soul' - astilbe Astilbe 'Professor Van der Wielen' - astilbe Astilbe 'Radius' - astilbe Astilbe 'Red Sentinel' - astilbe Astilbe 'Rheinland' - astilbe Astilbe × rosea 'Peach Blossom' - astilbe Astilbe simplicifolia - astilbe Astilbe 'Snowdrift' - astilbe Astilbe 'Sprite' - astilbe Astilbe 'Straussenfeder' OSTRICH PLUME - astilbe Astilboides tabularis - astilboides Astrantia 'Buckland' - greater masterwort Astrantia 'Magnum Blush' - greater masterwort Astrantia - greater masterwort Astrantia major 'Claret' - masterwort Astrantia major 'Roma' - masterwort Astrantia major 'Rubra' - masterwort Astrantia major 'Ruby Cloud' - greater masterwort Astrantia major subsp. involucrata 'Shaggy' - greater masterwort Astrantia major 'Sunningdale Variegated' - masterwort Astrantia major 'Venice' - masterwort Astrantia 'Snow Star' - masterwort Astrantia 'Star of Beauty' - masterwort Athyrium 'Branford Rambler' - Japanese painted fern Athyrium filix-femina - lady fern Athyrium filix-femina 'Cruciato-cristatum' - lady fern Athyrium filix-femina 'Dre's Dagger' - lady fern Athyrium filix-femina 'Encourage' - lady fern Athyrium filix-femina 'Fancy Fronds' - lady fern Athyrium filix-femina 'Frizelliae' - tatting fern Athyrium filix-femina 'Minutissimum' - lady fern

Athyrium filix-femina 'Rotstiel' - lady fern Athyrium filix-femina subsp. angustum - northern lady fern Athyrium filix-femina subsp. asplenioides - southern lady fern Athyrium filix-femina var. angustum 'Lady in Red' - northern lady fern Athyrium filix-femina 'Veroniae Cristatum' - lady fern Athyrium filix-femina 'Victoriae' - lady fern Athyrium 'Ghost' - lady fern Athyrium niponicum var. niponicum - painted lady fern Athyrium niponicum var. pictum - Japanese painted fern Athyrium niponicum var. pictum 'Apple Court' - Japanese painted fern Athyrium niponicum var. pictum 'Burgundy Lace' - Japanese painted fern Athyrium niponicum var. pictum 'Pewter Lace' - Japanese painted fern Athyrium niponicum var. pictum 'Red Beauty' - Japanese painted fern Athyrium niponicum var. pictum 'Silver Falls' - Japanese painted fern Athyrium niponicum var. pictum 'Ursula's Red' - Japanese painted fern Athyrium niponicum var. pictum 'Wildwood Twist' - Japanese painted fern Athyrium otophorum - eared lady fern Athyrium thelypteroides - lady fern Athyrium vidalii - athyrium Atriplex hortensis - mountain spinach Aucuba japonica - spotted laurel Aucuba japonica 'Mr. Goldstrike' - spotted laurel Aucuba japonica 'Variegata' - spotted laurel Aurinia saxatilis - basket-of-gold Aurinia saxatilis 'Dudley Nevill Variegated' - basket of gold Averrhoa carambola - star Azadirachta indica - neem tree Azara microphylla - azara Azara serrata - saw toothed azara Azara serrata ANDEAN GOLD - saw toothed azara Azolla filiculoides - water fern Baccharis 'Sea Foam' - wormwood Baptisia alba - false indigo Baptisia alba Pendula Group - false indigo Baptisia alba var. macrophylla - white false indigo Baptisia australis - blue false indigo Baptisia australis var. minor - blue false indigo Baptisia bracteata - false indigo Baptisia 'Carolina Moonlight' - false indigo Baptisia 'Chocolate Chip' - false indigo Baptisia 'Lemon Meringue' - false indigo Baptisia 'Purple Smoke' - false indigo Baptisia sphaerocarpa - yellow wild indigo Baptisia sphaerocarpa 'Screamin' Yellow' - yellow wild indigo Baptisia tinctoria - wild indigo Baptisia × variicolor 'Twilite' TWILITE PRAIRIEBLUES - false indigo Basella rubra - Ceylon spinach Basella rubra 'Red Stem' - Ceylon spinach Bassia scoparia f. trichophylla - burning bush

Bauhinia × blakeana - Hong Kong orchid tree Beaucarnea recurvata - ponytail palm Begonia 'Art Hodes' - begonia Begonia × benariensis BIG SERIES - begonia Begonia 'Bepared' DRAGON WING RED - begonia Begonia grandis - hardy begonia Begonia grandis subsp. evansiana - hardy begonia Begonia grandis subsp. evansiana 'Alba' - hardy begonia Begonia grandis 'Wildwood Premier' - hardy begonia Begonia masoniana - iron cross begonia Begonia rex-cultorum - rex begonia Begonia Semperflorens Cultorum Group - begonia Begonia Tuberosa Group - hybrid tuberous begonia Bellis perennis - English daisy Benincasa hispida - wax gourd Berberis × mentorensis - barberry Berberis replicata - barberry Berberis × stenophylla 'Corallina Compacta' - barberry Berberis 'Tara' EMERALD CAROUSEL - Japanese barberry Berberis thunbergii - Japanese barberry Berberis thunbergii 'Aurea' - Japanese barberry Berberis thunbergii f. atropurpurea - Japanese barberry Berberis thunbergii f. atropurpurea 'Atropurpurea Nana' - Japanese barberry Berberis thunbergii f. atropurpurea 'Bagatelle' - Japanese barberry Berberis thunbergii f. atropurpurea 'Gentry' ROYAL BURGUNDY - Japanese barberry Berberis thunbergii f. atropurpurea 'Golden Ring' - Japanese barberry Berberis thunbergii f. atropurpurea 'Harlequin' - Japanese barberry Berberis thunbergii f. atropurpurea 'Helmond Pillar' - Japanese barberry Berberis thunbergii f. atropurpurea 'Rose Glow' - Japanese barberry Berberis thunbergii 'Kobold' - Japanese barberry Berberis thunbergii 'Maria' SUNJOY GOLD PILLAR - Japanese barberry Berberis thunbergii 'Royal Cloak' - Japanese barberry Berberis thunbergii 'Talago' SUNJOY GOLD BERET - Japanese barberry Berchemia scandens - supple-Jack Bergenia 'Abendglocken' - bergenia Bergenia ciliata - winter begonia Bergenia cordifolia - pigsqueak Bergenia cordifolia 'Winterglut' WINTER GLOW - pigsqueak Bergenia crassifolia - pigsqueak Bergenia 'Eden's Magic Giant' - pigsqueak Bergenia 'Herbstblute' AUTUMN GLORY - pigsqueak Bergenia purpurascens - bergenia Bergenia 'Silberlicht' SILVERLIGHT - bergenia lyrata - chocolate flower Berlandiera texana - green eyes Beta vulgaris - beet Beta vulgaris 'Bull's Blood' - beet Beta vulgaris Cicla Group - Swiss chard Beta vulgaris Cicla Group 'Bright Lights' - Swiss chard

Beta vulgaris Cicla Group 'Northern Lights' - Swiss chard Beta vulgaris subsp. vulgaris - sugar beet Betula 'Crimson Frost' - birch Betula davurica - Asian black birch Betula nigra - river birch Betula nigra 'BNMTF' DURA-HEAT - river birch Betula nigra 'Cully' HERITAGE - river birch Betula nigra 'Little King' FOX VALLEY - river birch Betula papyrifera - paper birch Betula pendula - European white birch Betula platyphylla - Japanese white birch Betula populifolia - grey birch Betula populifolia 'Whitespire' - Asian white birch Betula 'Royal Frost' - birch Betula utilis var. jacquemontii - Himalayan birch Bidens aurea - Arizona beggarstick Bignonia capreolata - cross vine Bignonia capreolata 'Atrosanguinea' - cross vine Bignonia capreolata 'Tangerine Beauty' - cross-vine Bixa orellana - Blechnum spicant - fern Blephilia ciliata - Ohio horsemint Blephilia hirsuta - hairy woodmint Bletilla striata - Chinese ground orchid Bletilla striata 'Albostriata' - Chinese ground orchid Bletilla striata f. gebina - Chinese ground orchid Boltonia asteroides - false aster Boltonia asteroides 'Pink Beauty' - false aster Boltonia asteroides var. latisquama - false chamomile Boltonia asteroides var. latisquama 'Masbolimket' JIM CROCKETT - false chamomile Boltonia asteroides var. latisquama 'Nana' - false aster Boltonia asteroides var. latisquama 'Snowbank' - false aster Boltonia decurrens - decurrent false aster Borago officinalis - Bougainvillea group - bougainvillea Bouteloua curtipendula - sideoats grass Bouteloua gracilis - blue grama Bouteloua gracilis 'Blonde Ambition' - blue grama Brachypodium sylvaticum - slender false brome Brachyscome group - Swan River daisy Brachyscome iberidifolia - Swan River daisy - Chinese Brassica napus Napobrassica Group - rutabaga Brassica napus Oleifera Group - rapeseed Brassica napus Pabularia Group - Siberian kale Brassica oleracea Acephala Group - kale Brassica oleracea Acephala Group 'Redbor' - kale Brassica oleracea Botrytis Group - Romanesco broccoli / cauliflower Brassica oleracea Capitata Group - cabbage

Brassica oleracea Capitata Group 'Frigga' - cabbage Brassica oleracea Capitata Group 'Ruby Perfection' - red cabbage Brassica oleracea Gemmifera Group - Brussels sprouts Brassica oleracea Gongylodes Group - kohlrabi Brassica oleracea Italica Group - Italian broccoli Brassica oleracea Ornamental Cabbage and Kale Group - ornamental cabbage Brassica rapa Asian Greens Group - Asian greens Brassica rapa Chinensis Group - pak-choi Brassica rapa Pekinensis Group - Chinese cabbage Brassica rapa Rapifera Group - turnip Brassica rapa Ruva Group - broccoli raab Brassica rapa var. rosularis - tat soi Breynia nivosa - snow bush Briza media - common quaking grass Bromus inermis 'Skinner's Gold' - brome Broussonetia papyrifera - paper mulberry Broussonetia papyrifera 'Golden Shadow' - paper mulberry Browallia speciosa - bush violet Brugmansia × candida - brugmansia Brugmansia suaveolens - maikoa Brunnera macrophylla - Siberian bugloss Brunnera macrophylla 'Dawson's White' - Siberian bugloss Brunnera macrophylla 'Hadspen Cream' - Siberian bugloss Brunnera macrophylla 'Jack Frost' - Siberian bugloss Brunnera macrophylla 'Langtrees' - Siberian bugloss Brunnera macrophylla 'Looking Glass' - Siberian bugloss Brunnera macrophylla 'Mr. Morse' - Siberian bugloss Brunnera macrophylla 'Spring Yellow' - Siberian bugloss Buchloe dactyloides - buffalo grass Buchloe dactyloides 'Cody' - buffalo grass Buchloe dactyloides 'Sharp's Improved' - buffalo grass Buddleja alternifolia - alternate-leaved butterfly bush Buddleja 'Asian Moon' - butterfly bush Buddleja 'Bicolor' - butterfly bush Buddleja 'Blue Chip' LO AND BEHOLD - butterfly bush Buddleja davidii - butterfly bush Buddleja davidii 'Adokeep' ADONIS BLUE - butterfly bush Buddleja davidii 'Attraction' - butterfly bush Buddleja davidii 'Black Knight' - butterfly bush Buddleja davidii 'Butterfly Heaven' - butterfly bush Buddleja davidii 'Buzz Violet Blue' - butterfly bush Buddleja davidii 'Ellen's Blue' - butterfly bush Buddleja davidii 'Evil Ways' - butterfly bush Buddleja davidii 'Monrell' STRAWBERRY LEMONADE - butterfly bush Buddleja davidii 'Monum' PETITE PLUM - butterfly bush Buddleja davidii 'Nanho Blue' - butterfly bush Buddleja davidii 'Nanho Purple' - butterfly bush Buddleja davidii 'Niche's Choice' - butterfly bush Buddleja davidii 'Peakeep' PEACOCK - butterfly bush

Buddleja davidii 'PIIBD-I' FIRST EDITIONS GROOVY GRAPE - butterfly bush Buddleja davidii 'PIIBD-II' FIRST EDITIONS FUNKY FUCHSIA - butterfly bush Buddleja davidii 'PIIBD-III' FIRST EDITIONS PSYCHEDELIC SKY - butterfly bush Buddleja davidii 'Pink Delight' - butterfly bush Buddleja davidii 'Pyrkeep' PURPLE EMPEROR - butterfly bush Buddleja davidii 'Royal Red' - butterfly bush Buddleja davidii 'White Ball' - butterfly bush Buddleja davidii 'White Profusion' - butterfly bush Buddleja 'Lochinch' - butterfly bush Buddleja longifolia - buddleja Buddleja loricata - mountain sagewood Buddleja 'Miss Ruby' - butterfly bush Buddleja × weyeriana 'Golden Glow' - butterfly bush Buddleja × weyeriana 'Honeycomb' - butterfly bush Buxus 'Cranberry Creek' - boxwood Buxus 'Green Gem' - boxwood Buxus 'Green Mound' - boxwood Buxus 'Green Mountain' - boxwood Buxus 'Green Velvet' - boxwood Buxus microphylla - boxwood Buxus microphylla 'Apple Green' - boxwood Buxus microphylla 'Compacta' - boxwood Buxus microphylla 'Green Pillow' - boxwood Buxus microphylla 'John ' - boxwood Buxus microphylla 'Peergold' GOLDEN DREAM - boxwood Buxus microphylla var. japonica - Japanese boxwood Buxus microphylla var. japonica 'Green Beauty' - Japanese boxwood Buxus microphylla var. japonica 'Morris Midget' - Japanese boxwood Buxus microphylla var. japonica 'National' - Japanese boxwood Buxus sempervirens - boxwood Buxus sempervirens 'Appalachian Pyramid' - boxwood Buxus sempervirens 'Aurea Pendula' - boxwood Buxus sempervirens 'Edgar Anderson' - boxwood Buxus sempervirens 'Elegantissima' - boxwood Buxus sempervirens 'Fastigiata' - boxwood Buxus sempervirens 'Furore' JADE PILLAR - boxwood Buxus sempervirens 'Henry Shaw' - boxwood Buxus sempervirens 'Inglis' - boxwood Buxus sempervirens 'Joy' - boxwood Buxus sempervirens 'Myrtifolia' - boxwood Buxus sempervirens 'Natchez' - boxwood Buxus sempervirens 'Paramus' - boxwood Buxus sempervirens 'Pullman' - boxwood Buxus sempervirens 'Rochester' - boxwood Buxus sempervirens 'Saint Genevieve' - boxwood Buxus sempervirens 'Salicifolia' - boxwood Buxus sempervirens 'Silver Beauty' - boxwood Buxus sempervirens 'Treska Gorge' - boxwood Buxus sempervirens 'Vardar Valley' - boxwood

Buxus sempervirens 'Variegata' - boxwood Buxus sinica var. insularis - Korean boxwood Buxus sinica var. insularis 'Tide Hill' - Korean boxwood Buxus sinica var. insularis 'Winter Gem' - Korean boxwood Buxus sinica var. insularis 'Wintergreen' - Korean boxwood Cabomba caroliniana - fanwort Cacalia atriplicifolia - pale Indian plantain Cacalia muehlenbergii - great Indian plantain Caesalpinia pulcherrima - peacock flower Caladium bicolor - angel wings Calamagrostis × acutiflora 'Avalanche' - feather reed grass Calamagrostis × acutiflora 'Karl Foerster' - feather reed grass Calamagrostis × acutiflora 'Overdam' - feather reed grass Calamagrostis brachytricha - reed grass Calamintha arkansana - calamint Calamintha nepeta - calamint Calamintha nepeta subsp. nepeta - calamint Calamovilfa arcuata - Cumberland reed grass Calathea makoyana - peacock plant Calathea rosea-picta - calathea Calathea zebrina - zebra plant Calceolaria Herbeohybrida Group - pocketbook plant Calendula officinalis - marigold Calibrachoa group - million bells Calibrachoa 'Sunbelkist' MILLION BELLS TERRA COTTA - million bells Calla palustris - water arum Calliandra haematocephala - powder puff tree Callicarpa americana - beautyberry Callicarpa bodinieri var. giraldii 'Profusion' - beautyberry Callicarpa cathayana - beautyberry Callicarpa dichotoma - beautyberry Callicarpa dichotoma 'Early Amethyst' - beautyberry Callicarpa dichotoma f. albifructa - beautyberry Callicarpa dichotoma f. albifructa 'Duet' - beautyberry Callicarpa dichotoma 'Issai' - beautyberry Callicarpa japonica - Japanese beautyberry Callicarpa japonica 'Heavy ' - beautyberry Callirhoe alcaeoides - prairie poppy mallow Callirhoe alcaeoides 'Logan Calhoun' - prairie poppy mallow Callirhoe bushii - poppy mallow Callirhoe digitata - fringed poppy mallow Callirhoe involucrata - purple poppy mallow Callirhoe triangulata - clustered poppy mallow Callistemon citrinus - crimson bottlebrush Callistemon rigidus - stiff bottlebrush Callistephus chinensis - aster Calluna vulgaris - Scotch heather Calluna vulgaris 'Spring Torch' - Scotch heather Calocedrus decurrens - incense cedar

Calotropis gigantea - Indian bowstring hemp Calotropis procera - calotropis Caltha palustris - marsh marigold Calycanthus chinensis Calycanthus floridus - Carolina Calycanthus floridus 'Athens' - Carolina allspice Calycanthus occidentalis - Californian allspice Calycanthus 'Venus' - Carolina allspice Calylophus serrulatus - shrubby evening primrose Camassia leichtlinii - camass Camassia leichtlinii subsp. suksdorfii 'Blauwe Donau' BLUE DANUBE - camass Camassia leichtlinii subsp. suksdorfii Caerulea Group - camass Camellia crapnelliana - camellia Camellia furfuracea - camellia Camellia japonica - camellia Camellia japonica 'April Dawn' - camellia Camellia japonica 'April Rose' - camellia Camellia japonica 'April Snow' - camellia Camellia japonica 'April Tryst' - camellia Camellia japonica 'Korean Fire' - camellia Camellia japonica 'Spring's Promise' - camellia Camellia oleifera - camellia Camellia petelotii var. petelotii - yellow camellia Camellia reticulata 'Dataohung' CRIMSON ROBE - camellia Camellia rosiflora - camellia Camellia sinensis - tea Camellia transnokoensis - camellia Camellia 'Winter's Star' - camellia Campanula americana - tall bellflower Campanula bononiensis - bellflower Campanula carpatica f. alba 'Weisse Clips' WHITE CLIPS - tussock bellflower Campanula collina - bellflower Campanula garganica 'Dickson's Gold' - Adriatic bellflower Campanula glomerata 'Caroline' - clustered bellflower Campanula glomerata 'Superba' - clustered bellflower Campanula glomerata var. alba - clustered bellflower Campanula glomerata var. dahurica 'Odessa' - Odessa bellflower Campanula kemulariae - bellflower Campanula 'Kent Belle' - bellflower Campanula lactiflora 'Pouffe' - milky bellflower Campanula latifolia - bellflower Campanula persicifolia - willow bell Campanula persicifolia 'Chettle Charm' - peach-leaved bellflower Campanula persicifolia 'Grandiflora Caerulea' - willow bell Campanula persicifolia 'Kelly's Gold' - willow bell Campanula persicifolia 'Telham Beauty' - willow bell Campanula portenschlagiana 'Aurea' - Dalmation bellflower Campanula poscharskyana - Serbian bellflower Campanula poscharskyana 'Stella' - Serbian bellflower

Campanula punctata - spotted bellflower Campanula punctata 'Cherry Bells' - spotted bellflower Campanula punctata 'Pink Chimes' - spotted bellflower Campanula rotundifolia - bluebell Campanula rotundifolia 'Olympica' - bluebell Campanula 'Sarastro' - bellflower Campanula 'Summertime Blues' - bellflower Campanula takesimana 'Beautiful Trust' - bellflower Campanula takesimana 'Elizabeth' - bellflower Campanula trachelium - nettle-leaved bellflower Campsis grandiflora 'Morning Calm' - Chinese trumpet creeper Campsis radicans - trumpetcreeper Campsis radicans 'Apricot' - trumpetcreeper Campsis radicans f. flava - trumpetcreeper Campsis radicans 'Indian Summer' - trumpetcreeper Campsis × tagliabuana - trumpet creeper Campsis × tagliabuana 'Madame Galen' - trumpet creeper Canna aquatic group - canna Canna '' - canna Canna group - canna Canna 'Striata' - canna Capparis spinosa - caper Capparis spinosa var. inermis - caper annuum - pepper Capsicum annuum 'Black Pearl' - ornamental pepper Capsicum annuum Hot Pepper Group - pepper Capsicum annuum 'Park's Early Thickset' - sweet bell pepper Capsicum annuum 'Purple Flash' - ornamental pepper Capsicum chinense - pepper Caragana arborescens - Siberian pea tree Cardamine concatenata - cutleaf toothwort Cardamine pratensis - bitter cress Cardiandra alternifolia - Cardiandra Cardiocrinum giganteum var. yunnanense - giant lily Carex alata - broadwing sedge Carex albicans - white-tinged sedge Carex annectens - sedge Carex bicknellii - prairie sedge Carex buchananii - leatherleaf sedge Carex bushii - Bush's sedge Carex cherokeensis - sedge Carex ciliatomarginata 'Treasure Island' - sedge Carex comans - sedge Carex comans 'Frosted Curls' - sedge Carex conica 'Snowline' - sedge Carex crinita - fringed sedge Carex cristatella - sedge Carex crus-corvi - sedge Carex davisii - Davis's sedge

Carex dolichostachya 'Kaga-nishiki' GOLD FOUNTAINS - sedge Carex eburnea - bristle-leaved sedge Carex elata - tufted sedge Carex elata 'Aurea' - Bowles' golden sedge Carex flacca - blue green sedge Carex flaccosperma - blue wood sedge Carex frankii - Frank's sedge Carex glauca 'Blue Zinger' - blue sedge Carex grayi - gray sedge Carex haydenii - Hayden's sedge Carex 'Ice Dance' - sedge Carex laxiculmis - sedge Carex laxiculmis 'Hobb' BUNNY BLUE - sedge Carex leporina - oval sedge Carex lurida - sallow sedge Carex morrowii - Japanese grass sedge Carex morrowii 'Goldband' - Japanese grass sedge Carex morrowii var. temnolepis 'Silk Tassel' - Japanese grass sedge Carex morrowii 'Variegata' - Japanese grass sedge Carex muskingumensis - palm sedge Carex muskingumensis 'Oehme' - palm sedge Carex muskingumensis 'Wachtposten' - palm sedge Carex nigra - black sedge Carex nigra 'Variegata' - black sedge Carex normalis - greater straw sedge Carex oshimensis 'Evergold' - sedge Carex oshimensis 'Gold Strike' - sedge Carex pensylvanica - sedge Carex 'Phoenix Green' - sedge Carex phyllocephala 'Sparkler' - sedge Carex praegracilis - clustered field sedge Carex radiata - eastern star sedge Carex siderosticha ' Boat' - sedge Carex siderosticha 'Kisokaido' SPRING SNOW - sedge Carex siderosticha 'Lemon ' - sedge Carex siderosticha 'Shima-nishiki' ISLAND BROCADE - sedge Carex 'Silver Sceptre' - sedge Carex squarrosa - squarrose sedge Carex stricta - tussock sedge Carex swanii - sedge Carex tumulicola - Berkeley sedge Carex vulpinoidea - fox sedge Carica papaya - papaya Carpinus betulus - common hornbeam Carpinus betulus 'Fastigiata' - common hornbeam Carpinus caroliniana - American hornbeam Carpinus cordata - hornbeam Carpinus japonica - Japanese hornbeam Carpinus orientalis - oriental hornbeam

Carya cordiformis - bitternut hickory Carya glabra - pignut Carya illinoinensis - hardy pecan Carya illinoinensis 'Montgomery' - hardy pecan Carya laciniosa - shellbark hickory Carya × laneyi - hickory Carya ovata - shagbark hickory Carya tomentosa - mockernut Caryopteris × clandonensis 'Arthur Simmonds' - bluebeard Caryopteris × clandonensis 'Blue Mist' - bluebeard Caryopteris × clandonensis 'Dark Knight' - bluebeard Caryopteris × clandonensis 'Heavenly Blue' - bluebeard Caryopteris × clandonensis 'Inoveris' GRAND BLEU - bluebeard Caryopteris × clandonensis 'Lisaura' HINT OF GOLD - bluebeard Caryopteris × clandonensis 'Lissilv' STERLING SILVER - bluebeard Caryopteris × clandonensis 'Longwood Blue' - bluebeard Caryopteris × clandonensis 'Minibleu' PETIT BLEU - bluebeard Caryopteris × clandonensis 'Summer Sorbet' - bluebeard Caryopteris × clandonensis 'Worcester Gold' - bluebeard Caryopteris divaricata 'Snow Fairy' - bluebeard Caryopteris incana 'Blue Myth' - bluebeard Caryopteris incana 'Jason' SUNSHINE BLUE - bluebeard Cassia bakeriana - wishing tree Cassia fistula - golden shower tree Cassia grandis - pink shower Cassia leptophylla - pink shower Cassia × nealiae 'Lunalilo Yellow' - pink shower Cassia × nealiae 'Queen's Hospital White' - pink shower Cassia × nealiae 'Wilhelmina Tenney' - pink shower Castanea crenata - Japanese chestnut Castanea dentata - American chestnut Castanea mollissima - Chinese chestnut Castanea ozarkensis - Ozark chinquapin Castilleja coccinea - Indian paintbrush Catalpa bignonioides - catalpa Catalpa fargesii f. duclouxii - catalpa Catalpa ovata - catalpa Catalpa speciosa - catalpa Catananche caerulea - cupid's dart Catharanthus roseus - vinca Cattleya group - orchid Caulophyllum thalictroides - blue cohosh Ceanothus americanus - tea Ceanothus × delileanus 'Gloire de Versailles' - Californian lilac Cedrus atlantica - Atlas cedar Cedrus atlantica Glauca Group - blue atlas cedar Cedrus atlantica Glauca Group 'Glauca Pendula' - blue atlas cedar Cedrus deodara - Himalayan cedar Cedrus deodara 'Shalimar' - Himalayan cedar

Cedrus libani - cedar of Cedrus libani 'Hedgehog' - cedar of Lebanon Cedrus libani 'Sargentii' - cedar of Lebanon Cedrus libani subsp. stenocoma - cedar of Lebanon Celastrus scandens - American bittersweet Celosia argentea Plumosa Group 'New Look' - feather celosia Celosia argentea var. cristata Cristata Group - cockscomb Celosia argentea var. cristata Plumosa Group - feather celosia Celtis australis - Mediterranean hackberry Celtis laevigata - sugarberry Celtis occidentalis - hackberry Centaurea cyanus - cornflower Centaurea dealbata - knapweed Centaurea macrocephala - Armenian basket flower Centaurea montana - mountain bluet Centaurea montana 'Amethyst in Snow' - mountain bluet Centaurea montana 'Gold Bullion' - perennial cornflower Centaurea pulcherrima - centaurea Centranthus ruber - red valerian Centranthus ruber 'Albus' - red valerian Centranthus ruber 'Pretty Betsy' - red valerian Centranthus ruber var. coccineus - red valerian Cephalanthus occidentalis - buttonbush Cephalaria gigantea - giant pincushion flower Cephalotaxus fortunei - Chinese plum yew Cephalotaxus harringtonia - Japanese plum yew Cephalotaxus harringtonia 'Duke Gardens' - cow's tail pine Cephalotaxus harringtonia 'Fastigiata' - Japanese plum yew Cephalotaxus harringtonia 'Nana' - cow's tail pine Cephalotaxus harringtonia YEWTOPIA - Japanese plum yew Cerastium tomentosum - snow-in-summer Cerastium tomentosum 'Silberteppich' SILVER CARPET - snow in summer Cerastium tomentosum 'Yo Yo' - snow-in-summer Ceratopteris pteridioides - water fern Ceratostigma plumbaginoides - plumbago Cercidiphyllum japonicum - katsura tree Cercidiphyllum japonicum 'Heronswood Globe' - katsura tree Cercidiphyllum japonicum 'Pendulum' - katsura tree Cercidiphyllum japonicum 'Rotfuchs' RED FOX - katsura tree Cercis canadensis - eastern redbud Cercis canadensis 'Ace of Hearts' - eastern redbud Cercis canadensis 'Appalachian Red' - eastern redbud Cercis canadensis 'Covey' - eastern redbud Cercis canadensis f. alba - eastern redbud Cercis canadensis f. alba 'Royal White' - eastern redbud Cercis canadensis ' Pansy' - eastern redbud Cercis canadensis 'Hearts of Gold' - eastern redbud Cercis canadensis 'Little Woody' - eastern redbud Cercis canadensis 'Silver Cloud' - eastern redbud

Cercis canadensis 'Tennessee Pink' - eastern redbud Cercis canadensis var. texensis - redbud Cercis canadensis var. texensis '' - Texas redbud Cercis chinensis - Chinese redbud Cercis chinensis 'Avondale' - Chinese redbud Cercis chinensis 'Don Egolf' - Chinese redbud Cercocarpus montanus - mountain mahogany Chaenomeles japonica - Japanese quince Chaenomeles japonica var. alpina - Japanese quince Chaenomeles japonica var. alpina 'Pygmaeus' - Japanese quince Chaenomeles 'Orange Storm' - flowering quince Chaenomeles 'Pink Storm' - flowering quince Chaenomeles 'Scarlet Storm' - flowering quince Chaenomeles speciosa - flowering quince Chaenomeles speciosa 'Contorta' - flowering quince Chaenomeles speciosa 'Toyo-Nishiki' - flowering quince Chaenomeles × superba '' - flowering quince Chaenomeles × superba 'Jet Trail' - flowering quince Chaenomeles × superba 'Low' n White' - flowering quince Chaenomeles × superba 'Texas Scarlet' - flowering quince Chamaecyparis lawsoniana - Lawson's cypress Chamaecyparis obtusa - hinoki cypress Chamaecyparis obtusa 'Compact Fernspray' - hinoki cypress Chamaecyparis obtusa 'Coralliformis' - hinoki cypress Chamaecyparis obtusa 'Densa' - hinoki cypress Chamaecyparis obtusa 'Filicoides' - hinoki cypress Chamaecyparis obtusa 'Golden Fastigiata' - hinoki cypress Chamaecyparis obtusa 'Golden Whorl' - hinoki cypress Chamaecyparis obtusa 'Hage' - hinoki cypress Chamaecyparis obtusa 'Heavy Texture' - hinoki cypress Chamaecyparis obtusa 'Kosteri' - hinoki cypress Chamaecyparis obtusa 'Lycopodioides' - hinoki cypress Chamaecyparis obtusa 'Lynn's Golden' - hinoki cypress Chamaecyparis obtusa 'Nana' - hinoki cypress Chamaecyparis obtusa 'Nana Gracilis' - hinoki cypress Chamaecyparis obtusa 'Spiralis' - hinoki cypress Chamaecyparis obtusa 'Torulosa Dwarf' - hinoki cypress Chamaecyparis obtusa 'Verdon' - hinoki cypress Chamaecyparis pisifera - Japanese falsecypress Chamaecyparis pisifera 'Aurea' - Japanese falsecypress Chamaecyparis pisifera 'Aurea Pendula' - Japanese falsecypress Chamaecyparis pisifera 'Boulevard' - Japanese falsecypress Chamaecyparis pisifera 'Cream Ball' - Japanese falsecypress Chamaecyparis pisifera 'Curly Tops' - Japanese falsecypress Chamaecyparis pisifera 'Filifera' - Japanese falsecypress Chamaecyparis pisifera 'Filifera Aurea' - Japanese falsecypress Chamaecyparis pisifera 'Gold Spangle' - Japanese falsecypress Chamaecyparis pisifera 'Golden Mop' - Japanese falsecypress Chamaecyparis pisifera 'Golden Pincushion' - Japanese falsecypress

Chamaecyparis pisifera 'Kost Yellow' - Japanese falsecypress Chamaecyparis pisifera 'Lemon Thread' - Japanese falsecypress Chamaecyparis pisifera 'Plumosa Albopicta' - Japanese falsecypress Chamaecyparis pisifera 'Squarrosa Intermedia' - Japanese falsecypress Chamaecyparis pisifera 'Sungold' - Japanese falsecypress Chamaecyparis pisifera 'Tsukumo' - Japanese falsecypress Chamaecyparis pisifera 'Vintage Gold' - Japanese falsecypress Chamaecyparis thyoides - white cypress Chamaecyparis thyoides 'Heatherbun' - white cypress Chamaecyparis thyoides 'Shiva' - white cypress Chamaecytisus hirsutus - chamaecytisus Chamaedaphne calyculata 'Verdant' - leatherleaf Chamaedorea elegans - neanthe bella palm Chamaedorea microspadix - chamaedorea Chamaelirium luteum - fairy wand Chamaemelum nobile - chamomile Chasmanthium latifolium - northern sea oats Chelidonium majus - greater celandine Chelone glabra - turtlehead Chelone glabra 'Black Ace' - turtlehead Chelone lyonii - shellflower Chelone lyonii 'Hot Lips' - pink turtlehead Chelone obliqua - turtlehead Chelonopsis yagiharana - Japanese turtlehead Chenopodium quinoa - quinoa Chionanthus retusus - Chinese fringe tree Chionanthus virginicus - fringe tree Chionodoxa luciliae - glory of the snow Chionodoxa luciliae 'Alba' - glory of the snow Chionodoxa 'Pink Giant' - glory of the snow × Chitalpa tashkentensis - chitalpa Chlorophytum comosum - spider plant Choisya ternata - Mexican orange Choisya ternata 'Lich' SUNDANCE - Mexican orange Chorisia speciosa - silk floss tree Chrysanthemum 'Cathy's ' - daisy garden mum Chrysanthemum 'Color Echo' - garden mum Chrysanthemum 'Dark Yotri' DARK TRIUMPH - chrysanthemum Chrysanthemum 'Hillside Sheffield Pink' - decorative garden mum Chrysanthemum 'Jessica' - chrysanthemum Chrysanthemum 'Lindayo' LINDA - chrysanthemum Chrysanthemum 'Mariyo' MARILYN - chrysanthemum Chrysanthemum morifolium 'Bedazzled Bronze' - garden mum Chrysanthemum 'Niche's October Glow' - daisy garden mum Chrysanthemum 'Roadrunner Bronze' - chrysanthemum Chrysanthemum 'Saxapahaw' - mum Chrysanthemum 'Single Apricot' - chrysanthemum Chrysanthemum ''s Sunshine' - mum Chrysanthemum 'Yobra' BRAVO - chrysanthemum

Chrysanthemum 'Yobrandi' BRANDI - chrysanthemum Chrysanthemum 'Yogin' GINGER - chrysanthemum Chrysanthemum 'Yogrena' GRENADINE - chrysanthemum Chrysanthemum 'Yoraquel' RAQUEL - chrysanthemum Chrysanthemum 'Yosun' SUNDORO - chrysanthemum Chrysanthemum zawadskii - dendranthema Chrysogonum virginianum - golden knee Chrysogonum virginianum 'Allen Bush' - goldenstar Chrysogonum virginianum var. australe - golden star Chrysothamnus nauseosus - rabbit brush Cibotium glaucum - tree fern Cichorium intybus - chicory Cinna arundinacea - wood reed grass alata - grape ivy × Citrofortunella microcarpa - orange calamondin Citrullus lanatus - watermelon Citrullus lanatus var. citroides - citron Citrus hystrix - Thai lime Citrus limon - lemon Citrus maxima - pummelo Citrus medica var. sarcodactylis - Buddha's hand Citrus × meyeri - meyer lemon Citrus 'Ponderosa' - giant lemon Citrus reticulata 'Clementine' - mandarin orange Cladrastis kentukea - yellowwood Cladrastis kentukea 'Perkins Pink' - yellowwood Cladrastis kentukea 'Sweetshade' - yellowwood Clarkia amoena - satin flower Claytonia virginica - spring beauty Clematis 'Andromeda' - clematis Clematis 'Belle of Woking' - clematis Clematis 'Betty Corning' - clematis Clematis 'Blue Light' - clematis Clematis 'Candida' Clematis 'Comtesse de Bouchaud' - clematis Clematis crispa - blue jasmine Clematis 'Duchess of Albany' - clematis Clematis × durandii - clematis Clematis 'Edouard Desfossé' - clematis Clematis 'Etoile Violette' - clematis Clematis 'Evijohill' JOSEPHINE - clematis Clematis 'Evipo018' BOURBON - clematis Clematis 'Evipo032' GALORE - clematis Clematis 'Evipo038' CRYSTAL FOUNTAIN - clematis Clematis 'Fair Rosamond' - clematis Clematis 'Fireworks' - clematis Clematis var. sieboldiana - clematis Clematis fremontii - Fremont's leather flower Clematis fruticosa 'Mongolian Gold' - Mongolian gold clematis

Clematis 'General Sikorski' - clematis Clematis 'Golden Cross' - clematis Clematis 'Gravetye Beauty' - clematis Clematis 'Hagley Hybrid' - clematis Clematis 'Henryi' - clematis Clematis heracleifolia - clematis Clematis integrifolia - solitary clematis Clematis integrifolia 'Caerulea' - solitary clematis Clematis integrifolia 'Rose Colored Glasses' - solitary clematis Clematis 'Jackmanii' - clematis Clematis 'Jackmanii Superba' - clematis Clematis 'John Huxtable' - clematis Clematis × jouiniana - clematis Clematis 'Little Nell' - clematis Clematis macropetala - downy clematis Clematis 'Madame Julia Correvon' - clematis Clematis montana f. grandiflora - clematis Clematis 'My Angel' - clematis Clematis 'Nelly Moser' - clematis Clematis 'Niobe' - clematis Clematis 'Paul Farges' SUMMER SNOW - clematis Clematis 'Pink Fantasy' - clematis Clematis 'Princess Diana' - clematis Clematis 'Ramona' - clematis Clematis recta 'Purpurea' - clematis Clematis 'Rouge Cardinal' - clematis Clematis 'Silver Moon' - clematis Clematis 'Snow Queen' - clematis Clematis spooneri - clematis Clematis tangutica subsp. obtusiuscula 'Gravetye Variety' - golden-bell clematis Clematis terniflora - sweet autumn clematis Clematis texensis Clematis 'The President' - clematis Clematis × triternata 'Rubromarginata' - clematis Clematis tubulosa - clematis Clematis 'Ville de Lyon' - clematis Clematis virginiana - woodbine Clematis 'Will Goodwin' - clematis Cleome hassleriana - spider flower Cleome 'Inncleosr' SENORITA ROSALITA - spider flower Clerodendrum bungei - rose glory bower Clerodendrum myricoides 'Ugandense' - butterfly bush Clerodendrum splendens - glory bower Clerodendrum thomsoniae - bleeding heart Clerodendrum trichotomum - clerodendrum Clethra alnifolia - sweet pepperbush Clethra alnifolia 'Caleb' - sweet pepperbush Clethra alnifolia 'Crystalina' - sweet pepperbush Clethra alnifolia '' - sweet pepperbush

Clethra alnifolia 'Pink Spire' - sweet pepperbush Clethra alnifolia 'Rosea' - sweet pepperbush Clethra alnifolia 'Ruby Spice' - sweet pepperbush Clethra alnifolia 'September Beauty' - sweet pepperbush Clethra alnifolia SHERRY SUE - sweet pepperbush Clethra alnifolia 'Sixteen Candles' - summersweet Clethra barbinervis - white alder Clitoria ternatea - blue pea miniata - Natal lily Clusia orthoneura - clusia Cobaea scandens - cup and saucer vine Cocculus carolinus - Carolina moonseed Cocculus orbiculatus - cocculus Cocos nucifera - coconut Codiaeum variegatum var. pictum - croton Codonopsis lanceolata - bonnet bellflower Coffea arabica - Arabian coffee - autumn crocus Colchicum autumnale 'Pleniflorum' - autumn crocus Colchicum byzantinum - autumn crocus Colchicum group - autumn crocus Colchicum 'Waterlily' - autumn crocus Collinsia verna - blue-eyed Mary Collinsonia canadensis - horse balm Colocasia esculenta - taro Colocasia esculenta 'Black Magic' - taro Colocasia esculenta vegetable group - taro Columnea microcalyx - columnea Colutea × media - bladder senna Comptonia peregrina - sweet fern Conoclinium coelestinum - blue mistflower Conoclinium coelestinum 'Cori' - mistflower Conoclinium greggii - thoroughwort Consolida ajacis - giant larkspur Convallaria majalis - lily of the valley Convallaria majalis var. rosea - lily of the valley Convolvulus cneorum - silverbush Convolvulus tricolor - bindweed Coprosma 'Black Cloud' - Black Cloud Mirror Bush Cordyline australis - cabbage tree Cordyline fruticosa - cabbage tree Cordyline indivisa - mountain palm Coreopsis auriculata 'Nana' - ear-leaved tickseed Coreopsis auriculata 'Zamphir' - ear-leaved tickseed Coreopsis 'Autumn Blush' - tickseed Coreopsis 'Creme Brulee' - tickseed Coreopsis 'Gold Nugget' - tickseed Coreopsis 'Goldfink' - tickseed Coreopsis grandiflora - large-flowered tickseed

Coreopsis grandiflora 'Domino' - large-flowered tickseed Coreopsis grandiflora 'Early Sunrise' - large-flowered tickseed Coreopsis grandiflora 'Mayfield Giant' - large-flowered tickseed Coreopsis grandiflora SUN UP - tickseed Coreopsis grandiflora 'Sundancer' - large-flowered tickseed Coreopsis grandiflora 'Walcoreop' FLYING SAUCERS - large-flowered tickseed Coreopsis integrifolia - fringeleaf tickseed Coreopsis 'Jethro Tull' - tickseed Coreopsis lanceolata - lanceleaf coreopsis Coreopsis lanceolata 'Summer Sprite' - lanceleaf coreopsis Coreopsis 'Lightning Flash' - tickseed Coreopsis 'Limerock Ruby' - tickseed Coreopsis major - greater tickseed Coreopsis 'Mercury Rising' BIG BANG - tickseed Coreopsis 'Moonlight' - tickseed Coreopsis palmata - tickseed Coreopsis 'Pinwheel' - tickseed Coreopsis pubescens - tickseed Coreopsis pubescens 'Sunshine Superman' - tickseed Coreopsis 'Red Satin' PERMATHREAD - tickseed Coreopsis 'Redshift' - tickseed Coreopsis rosea - tickseed Coreopsis rosea 'Alba' - tickseed Coreopsis rosea 'American Dream' - tickseed Coreopsis rosea 'Heaven's Gate' - tickseed Coreopsis rosea 'Sweet Dreams' - tickseed Coreopsis 'Route 66' - tickseed Coreopsis 'Sienna Sunset' - tickseed Coreopsis SOLANNA GOLDEN SPHERE - tickseed Coreopsis 'Sonnenkind' BABY SUN - tickseed Coreopsis 'Sunburst' - tickseed Coreopsis 'Sunray' - tickseed Coreopsis 'Sweet Marmalade' - tickseed Coreopsis 'Tequila Sunrise' - tickseed Coreopsis tinctoria - plains coreopsis Coreopsis tripteris - tickseed Coreopsis verticillata - threadleaf coreopsis Coreopsis verticillata 'Golden Dream' - threadleaf coreopsis Coreopsis verticillata 'Golden Gain' - threadleaf coreopsis Coreopsis verticillata 'Grandiflora' - threadleaf coreopsis Coreopsis verticillata 'Moonbeam' - threadleaf coreopsis Coreopsis verticillata 'Zagreb' - threadleaf coreopsis Coriandrum sativum - cilantro Cornus alba - tatarian dogwood Cornus alba 'Argenteomarginata' - tatarian dogwood Cornus alba 'Bailhalo' IVORY HALO - tatarian dogwood Cornus alba 'Gouchaultii' - tatarian dogwood Cornus alba 'Kesselringii' - tatarian dogwood Cornus alba 'Prairie Fire' - tatarian dogwood

Cornus alba 'Regnzam' RED GNOME - tatarian dogwood Cornus alba 'Siberian Pearls' - tatarian dogwood Cornus alba 'Sibirica' - tatarian dogwood Cornus alba 'Spaethii' - tatarian dogwood Cornus alternifolia - pagoda dogwood Cornus alternifolia 'Argentea' - pagoda dogwood Cornus amomum - dogwood Cornus amomum subsp. obliqua - swamp dogwood Cornus asperifolia var. drummondii - roughleaf dogwood Cornus canadensis - bunchberry Cornus capitata - evergreen dogwood Cornus controversa - giant dogwood Cornus controversa 'Variegata' - giant dogwood Cornus elliptica - dogwood Cornus florida - flowering dogwood Cornus florida 'Appalachian Spring' - flowering dogwood Cornus florida 'Cherokee Chief' - flowering dogwood Cornus florida 'Cherokee Princess' - flowering dogwood Cornus florida 'Cloud Nine' - flowering dogwood Cornus florida 'Comco No. 1' CHEROKEE BRAVE - flowering dogwood Cornus florida 'Daybreak' - flowering dogwood Cornus florida f. rubra - flowering dogwood Cornus florida 'Ozark Spring' - flowering dogwood Cornus florida 'Purple Glory' - flowering dogwood Cornus florida 'Red Pygmy' - flowering dogwood Cornus florida 'White Cloud' - flowering dogwood Cornus florida 'Xanthocarpa' - flowering dogwood Cornus 'Kn30 8' VENUS - hybrid dogwood Cornus kousa - kousa dogwood Cornus kousa 'Fireworks' - kousa dogwood Cornus kousa 'Kristin Lipka's Variegated Weeper' - kousa dogwood Cornus kousa 'Peve Limbo' - kousa dogwood Cornus kousa 'Satomi' - kousa dogwood Cornus kousa var. chinensis - Chinese dogwood Cornus kousa var. chinensis 'Madison' CROWN JEWEL - kousa dogwood Cornus kousa var. chinensis 'Milky Way' - kousa dogwood Cornus kousa 'Weaver's Weeping' - kousa dogwood Cornus mas - cornelian cherry dogwood Cornus mas 'Golden Glory' - cornelian cherry dogwood Cornus mas 'Variegata' - dogwood Cornus officinalis - Japanese cornelian cherry Cornus pumila - dogwood Cornus racemosa - gray dogwood Cornus 'Rutcan' AURORA Cornus 'Rutcan' CONSTELLATION - dogwood Cornus 'Rutdan' CELESTIAL - dogwood Cornus 'Rutfan' STARDUST - dogwood Cornus 'Rutgan' STELLAR PINK - dogwood Cornus 'Rutlan' RUTH ELLEN - dogwood

Cornus sanguinea 'Cato' ARCTIC SUN - bloodtwig dogwood Cornus sanguinea 'Midwinter Fire' - bloodtwig dogwood Cornus sanguinea 'Winter Beauty' - bloodtwig dogwood Cornus sericea - red twig dogwood Cornus sericea 'Allemans' - red twig dogwood Cornus sericea 'Baileyi' - red twig dogwood Cornus sericea 'Budd's Yellow' - yellowtwig dogwood Cornus sericea 'Cardinal' - red twig dogwood Cornus sericea 'Farrow' ARCTIC FIRE - red twig dogwood Cornus sericea 'Flaviramea' - yellow twig dogwood Cornus sericea 'Hedgerows Gold' - red twig dogwood Cornus sericea 'Isanti' - red twig dogwood Cornus sericea 'KLM RR' ERIKA THE BLONDE - red twig dogwood Cornus sericea 'Neil Z' PUCKER UP - red twig dogwood Cornus sericea 'Silver and Gold' - yellow twig dogwood Cortaderia selloana - pampas grass Cortaderia selloana 'Monrin' SUN STRIPE - pampas grass Corydalis 'Berry Exciting' - corydalis Corydalis 'Blackberry Wine' - corydalis Corydalis 'Canary Feathers' - corydalis Corydalis lutea - corydalis Corydalis ochroleuca - corydalis Corydalis ophiocarpa - corydalis Corydalis solida - fumewort Corylopsis glabrescens - winter hazel Corylopsis glabrescens var. gotoana - winter hazel Corylopsis pauciflora - winter hazel Corylopsis sinensis - winter hazel Corylopsis spicata - winter hazel Corylus americana - American hazelnut Corylus avellana 'Contorta' - Harry Lauder's walking stick Corylus colurna - Turkish hazel Corylus cornuta - beaked hazel Corylus maxima - large filbert Corylus maxima 'Atropurpurea' - large filbert Cosmos atrosanguineus - chocolate cosmos Cosmos bipinnatus - cosmos Cosmos sulphureus - cosmos Cotinus coggygria - smoketree Cotinus coggygria 'Ancot' GOLDEN SPIRIT - smoketree Cotinus coggygria 'Daydream' - smoketree Cotinus coggygria 'Kolcot' GREEN FOUNTAIN - smoketree Cotinus coggygria 'Royal Purple' - smoketree Cotinus coggygria 'Velvet Cloak' - smoketree Cotinus coggygria 'Young Lady' - smoketree Cotinus obovatus - American smoke tree Cotoneaster acutifolius - cotoneaster Cotoneaster adpressus - creeping cotoneaster Cotoneaster adpressus 'Little Gem' - creeping cotoneaster

Cotoneaster apiculatus - cotoneaster Cotoneaster astrophoros - cotoneaster Cotoneaster atropurpureus 'Variegatus' - rock cotoneaster Cotoneaster cochleatus - cotoneaster Cotoneaster divaricatus - cotoneaster Cotoneaster franchetii - cotoneaster Cotoneaster hessei - cotoneaster Cotoneaster horizontalis - rock cotoneaster Cotoneaster horizontalis 'Robusta' - rock cotoneaster Cotoneaster horizontalis var. perpusillus - rock cotoneaster Cotoneaster integerrimus 'Centennial' - cotoneaster Cotoneaster nanshan - creeping cotoneaster Cotoneaster suavis - cotoneaster Crambe cordifolia - colewort Crassula ovata - jade plant Crataegus coccinea - hawthorn Crataegus crus-galli - cockspur thorn Crataegus crus-galli 'Cruzam' CRUSADER - cockspur thorn Crataegus crus-galli thornless form - cockspur thorn Crataegus douglasii - black hawthorn Crataegus laevigata - English hawthorn Crataegus × lavalleei - hawthorn Crataegus nitida - hawthorn Crataegus phaenopyrum - hawthorn Crataegus punctata 'Ohio Pioneer' - hawthorn Crataegus 'Vaughn' - cockspur thorn Crataegus viridis - green hawthorn Crataegus viridis 'Winter King' - green hawthorn americanum - Florida swamp lily Crinum bulbispermum - crinum Crinum 'Ellen Bosanquet' - crinum Crinum group - crinum Crinum jagus - crinum Crocosmia 'Blos' BRESSINGHAM - montbretia Crocosmia × crocosmiiflora 'Solfatare' - montbretia Crocosmia 'Emberglow' - montbretia Crocosmia 'Lucifer' - montbretia Crocosmia pottsii - montbretia Crocus chrysanthus - snow crocus Crocus chrysanthus 'Advance' - snow crocus Crocus chrysanthus 'Goldilocks' - snow crocus Crocus × luteus 'Golden Yellow' - crocus Crocus sativus - crocus Crocus sieberi subsp. atticus 'Firefly' - Sieber's crocus Crocus tommasinianus - snow crocus Crocus tommasinianus 'Ruby Giant' - snow crocus Crocus vernus - Spring crocus Crocus vernus 'Jeanne d'Arc' - Spring crocus Crocus vernus 'Pickwick' - Spring crocus

Crocus vernus 'Purpureus Grandiflorus' - Spring crocus Crocus vernus 'Remembrance' - Spring crocus Crocus vernus 'Striped Beauty' - Spring crocus Crossandra infundibuliformis - firecracker flower Cryptomeria japonica - Japanese cedar Cryptomeria japonica 'Elegans Nana' - Japanese cedar Cryptomeria japonica 'Spiralis' - Japanese cedar Cryptomeria japonica 'Yoshino' - Japanese cedar japonica f. atropurpurea - Japanese Cucumis melo var. flexuosus - melon Cucumis sativus - Cucurbita argyrosperma - winter squash Cucurbita maxima - winter squash Cucurbita moschata - winter squash Cucurbita pepo - summer squash Cunila origanoides - common dittany Cunninghamia lanceolata - China-fir Cuphea 'David Verity' - cuphea Cuphea hyssopifolia - false heather Cuphea ignea - firecracker plant Cuphea llavea - cuphea Cuphea × purpurea - bat-faced cuphea Cuphea viscosissima - blue waxweed Cupressus cashmeriana - Kashmir cypress Cupressus sempervirens - Italian cypress × Cuprocyparis leylandii - Leyland cypress Curcuma alismatifolia 'Pink' - Siam tulip Curcuma petiolata - queen lily Cycas revoluta - King Sago palm Cycas rumphii - cycad Cyclamen hederifolium - Persian violet Cyclamen persicum - cyclamen Cydonia oblonga - quince Cymbalaria aequitriloba - cymbalaria Cymbalaria muralis - Kenilworth ivy Cymbidium group - orchid citratus - lemon grass Cynara cardunculus - cardoon Cynara cardunculus Scolymus Group - artichoke Cynodon dactylon 'Sundevil' - Bermuda grass Cynodon dactylon 'Yukon' - Bermuda grass Cynoglossum amabile - Chinese forget-me-not Cyperus alternifolius 'Variegatus' - umbrella plant Cyperus involucratus - umbrella plant Cyperus involucratus 'Baby Tut' - umbrella plant Cyperus involucratus 'Gracilis' - umbrella plant Cyperus papyrus - papyrus Cyperus papyrus KING TUT - papyrus Cypripedium kentuckiense - slipper orchid

Cyrtomium falcatum - Japanese holly fern Cyrtomium falcatum 'Rochfordianum' - Japanese holly fern Cyrtomium fortunei - Japanese holly fern Cyrtomium fortunei var. clivicolum - Japanese holly fern Cyrtostachys lakka - sealing wax palm Cystopteris protrusa - lowland fragile fern Cytisus × kewensis - pineapple broom Cytisus scoparius - common broom Dahlia group - dahlia Dalea candida - white prairie clover - purple prairie clover Daphne × burkwoodii 'Carol Mackie' - daphne Daphne × burkwoodii 'Silveredge' - daphne Daphne × burkwoodii 'Somerset' - daphne Daphne 'Lawrence Crocker' - daphne Daphne mezereum - mezereon Daphne odora - winter daphne Daphne odora 'Aureomarginata' - winter daphne Daphne × transatlantica 'Blafra' ETERNAL FRAGRANCE - daphne Daphniphyllum macropodum - daphniphyllum Daphniphyllum macropodum subsp. humile - daphniphyllum Darmera peltata - umbrella plant Datura inoxia - angel's trumpet Datura metel - horn-of-plenty Daucus carota var. sativus - carrot Davallia fejeensis - rabbit's foot fern Davidia involucrata - dove tree Decaisnea fargesii - decaisnea Deinanthe bifida - false hydrangea Delonix regia - flamboyant Delosperma cooperi - ice plant Delosperma floribundum 'Starburst' - delosperma Delosperma 'John Proffitt' - delosperma Delosperma 'Kelaidis' - ice plant Delosperma nubigenum - delosperma Delphinium exaltatum - tall larkspur Delphinium 'Fanfare' - larkspur Delphinium grandiflorum - Siberian larkspur Delphinium grandiflorum 'Blue Butterfly' - Siberian larkspur Delphinium 'Misty Mauves' - larkspur Delphinium Pacific Hybrids - larkspur Delphinium treleasei - Trelease's larkspur Dendrobium group - orchid Dennstaedtia punctilobula - hay-scented fern Deparia petersenii - Japanese lady fern Deparia pycnosora - tapering glade fern Deschampsia cespitosa - tufted hair grass Deschampsia cespitosa 'Northern Lights' - tufted hair grass Deschampsia cespitosa 'Tardiflora' - tufted hair grass

Deschampsia flexuosa - crinkled hair grass Desmanthus illinoensis - prairie bundleflower Desmodium illinoense - tick-trefoil Deutzia gracilis - slender deutzia Deutzia gracilis 'Duncan' CHARDONNAY PEARLS - slender deutzia Deutzia gracilis 'Nikko' - slender deutzia Deutzia × hybrida 'Magicien' - deutzia Deutzia × hybrida 'Mont Rose' - deutzia Deutzia × hybrida 'Perle Rose' - deutzia Deutzia × hybrida 'Strawberry Fields' - deutzia Deutzia × lemoinei - deutzia Deutzia × magnifica - deutzia Deutzia 'NCDX2' YUKI CHERRY BLOSSOM - deutzia Deutzia × rosea - deutzia Deutzia scabra - fuzzy deutzia Deutzia scabra 'Candidissima' - fuzzy deutzia Deutzia scabra 'Codsall Pink' - fuzzy deutzia Deutzia setchuenensis var. corymbiflora - deutzia Dianthus Allwoodii Alpinus Group - carnation Dianthus amurensis 'Siberian Blue' - carnation Dianthus barbatus - sweet William Dianthus barbatus 'Heart Attack' - sweet William Dianthus barbatus 'Pinocchio' - sweet William Dianthus barbatus 'Sooty' - sweet William Dianthus 'Bath's Pink' - cheddar pink Dianthus 'Bat's Double Red' - pink Dianthus 'Bewitched' - carnation Dianthus 'Black Cherry Wild' - pink Dianthus BOUQUET ROSE MAGIC - pink Dianthus 'Brilliant Star' - carnation Dianthus caryophyllus 'Clarion' - carnation Dianthus caryophyllus 'Vienna Mischung' - carnation Dianthus chinensis - pink Dianthus chinensis 'Velvet 'n Lace' - pink Dianthus 'Coconut Punch' - pink Dianthus 'Dad's Favourite' - carnation Dianthus deltoides - maiden pink Dianthus deltoides 'Zing Salmon' - maiden pink Dianthus 'Devon Xera' FIRE STAR - pink Dianthus 'Feuerhexe' FIREWITCH - cheddar pink Dianthus 'First Love' - cheddar pink Dianthus gratianopolitanus 'Grandiflorus' - cheddar pink Dianthus 'Heart's Desire' - dianthus Dianthus 'Helen' - carnation Dianthus 'Horatio' - pink Dianthus 'Inchmery' - pink Dianthus 'Ipswich Pink' - pink Dianthus 'Kahori' - pink Dianthus 'Laced Romeo' - carnation

Dianthus 'Little Bobby' - pink Dianthus 'Mountain Mist' - cheddar pink Dianthus 'Musgrave's Pink' - pink Dianthus 'Nana Pink Tones' - dianthus Dianthus 'Painted Beauty' - pink Dianthus pavonius 'Nancy Lindsay' - pink Dianthus 'Pheasant's Ear' - pink Dianthus 'Pixie' - border carnation Dianthus 'Pixie Star' - carnation Dianthus plumarius 'Itsaul White' - pink Dianthus 'egranate Kiss' - pink Dianthus 'Prairie Pink' - pink Dianthus 'Rainbow Loveliness' - garden pinks Dianthus 'Rosish One' - pink Dianthus 'Siskin Clock' - pink Dianthus 'Spangled Star' - carnation Dianthus 'Stagirond' RONDO - sweet William Dianthus superbus - carnation Dianthus superbus 'Crimsonia' - fringed pink Dianthus 'Supra Purple' - carnation Dianthus 'Valda Louise' ROSIE CHEEKS - carnation Dianthus 'Wicked Witch' - pink Diarrhena americana - American beakgrain Diarrhena mandshurica - diarrhena Diarrhena obovata - American beakgrain Diascia barberae - twinspur 'Adrian Bloom' - bleeding heart Dicentra 'Bacchanal' - bleeding heart Dicentra 'Burning Hearts' - bleeding heart Dicentra cucullaria - Dutchman's breeches Dicentra eximia - bleeding heart Dicentra 'Ivory Hearts' - bleeding heart Dicentra 'King of Hearts' - bleeding heart Dicentra 'Luxuriant' - bleeding heart Dicentra 'Red Fountain' - bleeding heart Dichondra argentea 'Silver Falls' - dichondra Dichorisandra thyrsiflora - blue ginger Dicksonia antarctica - soft tree fern Dicliptera squarrosa - dicliptera Dictamnus albus - dittany Dictamnus albus var. purpureus - dittany Dieffenbachia seguine - dumb cane Dierama pendulum - angel's fishing rods Diervilla 'Copper' - dwarf bush-honeysuckle Diervilla lonicera - bush honeysuckle Diervilla rivularis 'Morton' SUMMER STARS - mountain bush honeysuckle Diervilla sessilifolia - bush honeysuckle Diervilla sessilifolia 'LPDC Podaras' COOL SPLASH - southern bush honeysuckle Dietes bicolor - butterfly flag

Dietes iridioides - dietes Digitalis ferruginea - rusty foxglove Digitalis ferruginea 'Gelber Herold' - rusty foxglove Digitalis grandiflora - large yellow foxglove Digitalis × mertonensis - strawberry foxglove Digitalis obscura - willow-leaved foxglove Digitalis purpurea - common foxglove Digitalis purpurea Excelsior Group - common foxglove Digitalis purpurea f. albiflora - common foxglove Digitalis purpurea Foxy Group - common foxglove Digitalis purpurea 'Pam's Choice' - common foxglove Digitalis purpurea 'Sutton's Apricot' - common foxglove Digitalis thapsi 'Spanish Peaks' - mullein foxglove Dimocarpus longan - longan Dimorphotheca pluvialis - weather prophet Dionaea muscipula - Venus fly trap Dionaea muscipula 'Akai Ryu' - Venus fly trap Dioon edule - chestnut dioon Dioscorea alata - white yam Dioscorea discolor - ornamental yam Dioscorea vegetable group - white yam Diospyros kaki - kaki Diospyros kaki 'Dagaishi' - Japanese persimmon Diospyros kaki 'Fuyu' - kaki Diospyros virginiana - persimmon Diospyros virginiana 'Meader' - persimmon Dipelta floribunda - rosy dipelta Diplazium pycnocarpon - glade fern Dirca palustris - leatherwood Disanthus cercidifolius - disanthus Disporopsis arisanensis - Solomon's seal Disporopsis pernyi - evergreen Solomon's seal Disporum cantoniense 'Night Heron' - fairy bells Disporum flavens - fairy bells Disporum lutescens - fairy bells Disporum sessile 'Variegatum' - fairy bells Dodecatheon meadia - shooting star Doronicum macrophyllum - leopard's bane Dorotheanthus bellidiformis 'Mesbicla' MEZOO TRAILING RED - livingstone daisy Dracaena fragrans - corn plant Dracaena marginata - Madagascar dragon tree Dracaena reflexa 'Variegata' - song of Dracopis amplexicaulis - clasping coneflower Dracunculus vulgaris - dragon arum Drimys lanceolata - pepper tree Dryopteris × australis - wood fern Dryopteris carthusiana - wood fern Dryopteris celsa - log fern Dryopteris championii - 's wood fern

Dryopteris clintoniana - Clinton's wood fern Dryopteris × complexa - buckler fern Dryopteris × complexa 'Robust' - buckler fern Dryopteris × complexa 'Rumpelstiltskin' - buckler fern Dryopteris crassirhizoma - wood fern Dryopteris cycadina - wood fern Dryopteris dilatata 'Lepidota Cristata' - broad buckler fern Dryopteris erythrosora - Japanese shield fern Dryopteris erythrosora 'Brilliance' - Japanese shield fern Dryopteris filix-mas - male fern Dryopteris filix-mas 'Barnesii' - male fern Dryopteris filix-mas 'Crispatissima' - male fern Dryopteris filix-mas 'Cristata Martindale' - male fern Dryopteris filix-mas 'Grandiceps Wills' - male fern Dryopteris filix-mas 'Linearis Polydactyla' - male fern Dryopteris goldieana - goldie's shield fern Dryopteris lacera - wood fern Dryopteris marginalis - marginal wood fern Dryopteris pseudofilix-mas - Mexican male fern Dryopteris × remota - buckler fern Dryopteris tokyoensis - Tokyo wood fern Duranta erecta - pigeon berry Dypsis lutescens - bamboo palm Eccremocarpus scaber - glory flower Echinacea 'Adam Saul' CRAZY PINK - coneflower Echinacea 'All that ' - coneflower Echinacea 'Amber Mist' - coneflower Echinacea angustifolia - narrow-leaf coneflower Echinacea 'Art's Pride' ORANGE MEADOWBRITE - coneflower Echinacea 'Balscblum' DOUBLE SCOOP BUBBLE GUM - purple coneflower Echinacea BURGUNDY FIREWORKS - coneflower Echinacea 'CBG Cone 2' PIXIE MEADOWBRITE - coneflower Echinacea 'Cheyenne Spirit' - coneflower Echinacea 'Coral Reef' - coneflower Echinacea 'Emily Saul' BIG SKY AFTER MIDNIGHT - coneflower Echinacea 'Evan Saul' BIG SKY SUNDOWN - coneflower Echinacea 'Firebird' - coneflower Echinacea 'Flame Thrower' - coneflower Echinacea 'Glowing Dream' - coneflower Echinacea 'Green Jewel' - coneflower Echinacea 'Heavenly Dream' - coneflower Echinacea 'Hot Lava' - coneflower Echinacea 'Hot Summer' - coneflower Echinacea 'Irresistible' - coneflower Echinacea 'Julia' - coneflower Echinacea 'Katie Saul' BIG SKY SUMMER SKY - coneflower Echinacea 'Mac 'n' Cheese' - coneflower Echinacea 'Mama Mia' - purple coneflower Echinacea 'Marmalade' - coneflower

Echinacea 'Matthew Saul' BIG SKY HARVEST MOON - coneflower Echinacea 'Maui Sunshine' - coneflower Echinacea 'Meteor Red' - coneflower Echinacea pallida - pale purple coneflower Echinacea pallida 'Hula Dancer' - pale purple coneflower Echinacea Paradiso Mix - purple coneflower Echinacea paradoxa - yellow coneflower Echinacea 'Piccolino' - purple coneflower Echinacea 'Pink Mist' - coneflower Echinacea purpurea - purple coneflower Echinacea purpurea 'Amado' - purple coneflower Echinacea purpurea 'Avalanche' - purple coneflower Echinacea purpurea 'Balsomsed' SOMBRERO SALSA RED - coneflower Echinacea purpurea 'Balsomselo' SOMBRERO SANDY YELLOW - coneflower Echinacea purpurea 'Butterfly Kisses' - purple coneflower Echinacea purpurea 'Coconut Lime' - purple coneflower Echinacea purpurea 'Cranberry Cupcake' - purple coneflower Echinacea purpurea 'Cygnet White' - purple coneflower Echinacea purpurea 'Doubledecker' - purple coneflower Echinacea purpurea 'Elbrook' ELTON KNIGHT - purple coneflower Echinacea purpurea 'Fatal Attraction' - purple coneflower Echinacea purpurea 'Finale White' - purple coneflower Echinacea purpurea 'Fragrant Angel' - purple coneflower Echinacea purpurea 'Green Eyes' - purple coneflower Echinacea purpurea 'Greenline' - coneflower Echinacea purpurea 'Hope' - purple coneflower Echinacea purpurea 'Kim's Knee High' - purple coneflower Echinacea purpurea 'Kim's Mop Head' - purple coneflower Echinacea purpurea 'Leuchtstern' BRIGHT STAR - purple coneflower Echinacea purpurea 'Lilliput' - purple coneflower Echinacea purpurea 'Little Annie' - purple coneflower Echinacea purpurea 'Little Giant' - purple coneflower Echinacea purpurea 'Lucky Star' - purple coneflower Echinacea purpurea 'Magnus' - purple coneflower Echinacea purpurea 'Magnus Superior' - purple coneflower Echinacea purpurea 'Meringue' - purple coneflower Echinacea purpurea 'Merlot' - purple coneflower Echinacea purpurea 'Mistral' - purple coneflower Echinacea purpurea 'Norwhinat' WHITE NATALIE - purple coneflower Echinacea purpurea 'Ovation' - purple coneflower Echinacea purpurea 'Pas702917' POWWOW WILD BERRY - coneflower Echinacea purpurea 'Pica Bella' - purple coneflower Echinacea purpurea 'Pink Double Delight' - purple coneflower Echinacea purpurea 'Pink Poodle' - coneflower Echinacea purpurea 'PowWow White' - purple coneflower Echinacea purpurea 'Prairie Frost' - purple coneflower Echinacea purpurea 'Prairie Giant' - purple coneflower Echinacea purpurea 'Prairie Splendor' - purple coneflower Echinacea purpurea 'Primadonna Deep Rose' - purple coneflower

Echinacea purpurea 'Primadonna White' - coneflower Echinacea purpurea 'Purity' - coneflower Echinacea purpurea 'Raspberry Truffle' - purple coneflower Echinacea purpurea 'Razzmatazz' - purple coneflower Echinacea purpurea 'Red Knee High' - purple coneflower Echinacea purpurea 'Rubinstern' RUBY STAR - purple coneflower Echinacea purpurea 'Ruby Giant' - purple coneflower Echinacea purpurea 'Sir Lancelot' - purple coneflower Echinacea purpurea 'Sparkler' - purple coneflower Echinacea purpurea 'Springbrook's Crimson Star' - purple coneflower Echinacea purpurea 'The King' - purple coneflower Echinacea purpurea 'Vintage Wine' - purple coneflower Echinacea purpurea 'Virgin' - purple coneflower Echinacea purpurea 'White Lustre' - purple coneflower Echinacea purpurea 'White Swan' - purple coneflower Echinacea 'Quills and Thrills' - coneflower Echinacea 'Raspberry Tart' - purple coneflower Echinacea 'Secret Glow' - coneflower Echinacea 'Secret Lust' - coneflower Echinacea simulata - glade purple coneflower Echinacea 'Sombrero Hot Pink' - coneflower Echinacea 'Sunrise' BIG SKY SUNRISE - coneflower Echinacea 'Sunset' BIG SKY SUNSET - coneflower Echinacea 'Supreme Flamingo' - coneflower Echinacea 'Tangerine Dream' - coneflower Echinacea tennesseensis - Tennessee coneflower Echinacea tennesseensis 'Rocky Top' - Tennessee coneflower Echinacea 'Tiki Torch' - coneflower Echinacea 'Tomato Soup' - coneflower Echinacea 'Twilight' BIG SKY TWILIGHT - coneflower Echinacea 'White Mist' - coneflower Echinops bannaticus - globe thistle Echinops bannaticus 'Blue Globe' - globe thistle Echinops bannaticus 'Blue Glow' - blue globe thistle Echinops gmelinii - globe thistle Echinops ritro - small globe thistle Echinops ritro subsp. ruthenicus - small globe thistle Echinops ritro 'Veitch's Blue' - small globe thistle Echinops sphaerocephalus 'Arctic Glow' - great globe thistle Echium vulgare - viper's bugloss Eichhornia crassipes - water hyacinth Elaeagnus angustifolia - oleaster Elaeagnus × ebbingei - oleaster Elaeagnus macrophylla - oleaster Elaeagnus multiflora - goumi Elaeagnus pungens - thorny elaeagnus Eleocharis dulcis - Chinese water chestnut Eleocharis palustris - creeping spike rush Elephantopus carolinianus - elephant's foot

Eleutherococcus sieboldianus 'Variegatus' - aralia Ellisiophyllum pinnatum - ellisiophyllum Elodea canadensis - Canadian pondweed Elsholtzia stauntonii - mint- Elymus canadensis - wild rye Elymus hystrix - bottlebrush grass Elymus magellanicus 'Blue Tango' - wheat grass Elymus virginicus - Virginia wild rye Elytrigia elongata 'Jose Select' - tall wheatgrass Encephalartos altensteinii - prickly cycad Encephalartos horridus - encephalartos Enkianthus campanulatus - furin-tsutsuji Enkianthus campanulatus var. sikokianus - redvein enkianthus Ensete ventricosum - Abyssinian banana Ensete ventricosum 'Maurelii' - Eomecon chionantha - snow poppy Epimedium #530 - bishop's hat Epimedium acuminatum - bishop's hat Epimedium alpinum - bishop's hat Epimedium brachyrrhizum - bishop's hat Epimedium brevicornu - bishop's hat Epimedium × cantabrigiense - bishop's hat Epimedium diphyllum - bishop's hat Epimedium fargesii - bishop's hat Epimedium franchetii - bishop's hat Epimedium grandiflorum - bishop's hat Epimedium grandiflorum 'Lilafee' - bishop's hat Epimedium grandiflorum 'Pierre's Purple' - bishop's hat Epimedium latisepalum - bishop's hat Epimedium leptorrhizum - bishop's hat Epimedium lishihchenii - bishop's hat Epimedium × perralchicum 'Frohnleiten' - barrenwort Epimedium perralderianum - bishop's hat Epimedium pinnatum - bishop's hat Epimedium pinnatum subsp. colchicum - bishop's hat Epimedium pubescens - bishop's hat Epimedium pubigerum - bishop's hat Epimedium × rubrum - bishop's hat Epimedium sempervirens - bishop's hat Epimedium stellulatum - bishop's hat Epimedium 'Tama-no-genpei' - bishop's hat Epimedium × versicolor 'Discolor' - bishop's hat Epimedium × versicolor 'Sulphureum' - bishop's hat Epimedium × warleyense - bishop's hat Epimedium × youngianum - bishop's hat Epimedium × youngianum 'Niveum' - bishop's hat Epimedium × youngianum 'Tamabotan' - bishop's hat Epimedium 'Yubae' - bishop's hat Epipremnum aureum - golden pothos

Episcia cupreata - flame violet Equisetum hyemale - winter scouring rush Eragrostis elliottii 'Wind Dancer' - lovegrass Eragrostis spectabilis - purple lovegrass Eragrostis trichodes - sand lovegrass Eragrostis trichodes 'Bend' - lovegrass Eranthemum pulchellum - blue sage Eranthis hyemalis - winter aconite Eranthis hyemalis Cilicica Group - winter aconite Eremurus himalaicus - foxtail lily Eremurus × isabellinus Shelford Hybrids - foxtail lily Eremurus robustus - giant desert candle Erianthus alopecuroides - silver plume grass Erica arborea - tree heath Erica carnea 'Springwood Pink' - winter heath Erigeron 'Azurfee' AZURE FAIRY - fleabane Erigeron 'Dunkelste Aller' DARKEST OF ALL - daisy fleabane Erigeron philadelphicus - common fleabane Erigeron pulchellus - Robin's plantain Eriobotrya japonica - loquat Eriogonum umbellatum - sulphur flower Eruca versicaria subsp. sativa - arugula Eryngium alpinum 'Blue Star' - eryngo Eryngium aquaticum - eryngo Eryngium bourgatii - holly Eryngium giganteum - Miss Willmott's ghost Eryngium planum - sea holly Eryngium planum 'Blue Glitter' - sea holly Eryngium planum 'Blue Hobbit' - sea holly Eryngium planum 'Jade Frost' - sea holly Eryngium planum 'Tiny Jackpot' - sea holly Eryngium planum 'White Glitter' - sea holly Eryngium 'Sapphire Blue' - sea holly Eryngium variifolium - eryngo Eryngium yuccifolium - rattlesnake master Eryngium yuccifolium 'Prairie Moon' - rattlesnake master Eryngium × zabelii 'Big Blue' - sea holly Erysimum capitatum - coastal wallflower Erythrina crista-galli - coral tree Erythronium albidum - white dog's-tooth violet Erythronium americanum - yellow adder's tongue Eschscholzia californica - poppy Eucalyptus cinerea - argyle-apple Eucalyptus citriodora - lemon-scented gum Eucalyptus dalrympleana - mountain gum Eucalyptus deglupta - mindanao gum Eucalyptus perriniana - silver-dollar gum Eucharis amazonica - Amazon lily Eucomis comosa - pineapple lily

Eucomis comosa 'Sparkling Burgundy' - pineapple lily Eucommia ulmoides - hardy rubber tree Euonymus alatus - winged spindle tree Euonymus alatus 'Compactus' - dwarf-winged burning bush Euonymus alatus 'Odom' LITTLE MOSES - winged spindle tree Euonymus alatus 'Rudy Haag' - winged spindle tree Euonymus americanus - strawberry bush Euonymus atropurpureus - eastern wahoo Euonymus bungeanus - spindletree Euonymus europaeus - European spindletree Euonymus fortunei 'Canadale Gold' - wintercreeper euonymus Euonymus fortunei 'Coloratus' - wintercreeper euonymus Euonymus fortunei 'Emerald Gaiety' - wintercreeper euonymus Euonymus fortunei 'Emerald 'n' Gold' - wintercreeper euonymus Euonymus fortunei 'Kewensis' - wintercreeper euonymus Euonymus fortunei 'Variegatus' - wintercreeper Euonymus japonicus 'Rykujo' - euonymus Euonymus kiautschovicus 'Manhattan' - euonymus Eupatorium chinense - hemp agrimony Eupatorium perfoliatum - American boneset Eupatorium 'Phantom' - Joe Pye weed Euphorbia amygdaloides - spurge Euphorbia amygdaloides subsp. robbiae - spurge Euphorbia amygdaloides 'Waleuphglo' RUBY GLOW - spurge Euphorbia 'Autumn Sunset' - spurge Euphorbia characias subsp. wulfenii - spurge Euphorbia characias 'Tasmanian Tiger' - spurge Euphorbia cotinifolia - smoketree spurge Euphorbia cyparissias - cypress spurge Euphorbia dulcis 'Chameleon' - spurge Euphorbia 'Froeup' EXCALIBUR - spurge Euphorbia 'Helena' - spurge Euphorbia hypericifolia 'Inneuphe' DIAMOND FROST - spurge Euphorbia 'Imprefant' EFANTHIA - spurge Euphorbia 'Imprkalip' KALIPSO - spurge Euphorbia 'Jessie' - spurge Euphorbia lactea - mottled spurge Euphorbia lactea 'White Ghost' - mottled spurge Euphorbia marginata - snow on the mountain Euphorbia marginata 'Kilimanjaro' - mountain spurge Euphorbia × martini 'Inneuphhel' HELENA'S BLUSH - euphorbia Euphorbia milii - crown of thorns Euphorbia myrsinites - spurge Euphorbia palustris - spurge Euphorbia polychroma - cushion spurge Euphorbia polychroma 'Bonfire' - cushion spurge Euphorbia polychroma 'Candy' - cushion spurge Euphorbia pulcherrima - poinsettia Euphorbia rigida - spurge

Eurybia divaricata - white wood aster Eurybia divaricata 'Eastern Star' - white wood aster Eurybia furcata - forked aster Eurybia macrophylla - large-leaved aster Eustoma grandiflorum - lisianthus Eutrochium dubium 'Little Joe' - Joe Pye weed Eutrochium fistulosum - Joe Pye weed Eutrochium fistulosum 'Atropurpurea' - Joe Pye weed Eutrochium purpureum - Joe Pye weed Eutrochium purpureum 'Little Red' - Joe Pye weed Eutrochium purpureum subsp. maculatum 'Gateway' - Joe Pye weed Eutrochium purpureum subsp. maculatum 'Riesenschirm' - Joe Pye weed Evolvulus glomeratus - evolvulus Evolvulus glomeratus 'Hawaiian Blue Eyes' - evolvulus Evolvulus nuttallianus - evolvulus Exacum affine - Persian violet Exochorda × macrantha 'The Bride' - pearlbush Exochorda 'Niagara' SNOW DAY SURPRISE - pearlbush Exochorda racemosa - pearlbush Exochorda serratifolia - pearlbush Exochorda serratifolia 'Northern Pearls' - pearlbush Fagus grandifolia - American beech Fagus sylvatica - common beech Fagus sylvatica 'Pendula' - European beech Fagus sylvatica 'Purpurea Pendula' - European beech Fagus sylvatica 'Purpurea Tricolor' - European beech Fagus sylvatica 'Riversii' - European beech Fagus sylvatica 'Rohanii' - European beech Fagus sylvatica 'Tricolor' - European beech Fagus sylvatica var. heterophylla 'Aspleniifolia' - European beech Fallopia baldschuanica - silver lace vine Fallopia baldschuanica 'Lemon Lace' - silver lace vine Fallopia japonica var. compacta - Japanese knotweed Farfugium japonicum var. giganteum - farfugium Fatsia japonica - glossy-leaved paper plant Felicia amelloides - blue daisy Festuca amethystina 'Klose' - tufted fescue Festuca arundinacea 'Jaguar 3' - tall fescue Festuca arundinacea 'Kentucky 31' - tall fescue Festuca arundinacea mix - tall fescue Festuca arundinacea PROSCAPE WINNING COLORS - tall fescue Festuca arundinacea WATER SAVER - fescue Festuca glauca - blue fescue Festuca glauca 'Elijah Blue' - blue fescue Festuca glauca 'Golden Toupee' - blue fescue Festuca glauca 'Seeigel' SEA URCHIN - blue fescue Festuca rubra 'Pennlawn' - red fescue Ficus benjamina - weeping fig Ficus benjamina 'Variegata' - weeping fig

Ficus carica - common fig Ficus carica 'Brown ' - fig Ficus carica 'Petite Negra' - common fig Ficus elastica - rubber plant Ficus lyrata - fiddle-leaf fig Ficus petiolaris - rock fig Ficus pumila - creeping fig Ficus religiosa - bo tree Filipendula denudata - meadowsweet Filipendula 'Kahome' - meadowsweet Filipendula purpurea 'Elegans' - meadowsweet Filipendula rubra - queen of the prairie Filipendula ulmaria - meadowsweet Filipendula ulmaria 'Aurea' - meadowsweet Filipendula ulmaria 'Variegata' - meadowsweet Filipendula vulgaris - dropwort Filipendula vulgaris 'Multiplex' - dropwort Firmiana simplex - Chinese parasol tree Fittonia albivenis Argyroneura Group - silver fittonia Fittonia albivenis Verschaffeltii Group - mosaic plant Flueggea suffruticosa - yi yè qiu Foeniculum vulgare - Foeniculum vulgare 'Purpureum' - fennel Foeniculum vulgare 'Smokey' - fennel Foeniculum vulgare var. azoricum - florence fennel Fontanesia fortunei - fontanesia Forsythia 'Arnold Dwarf' - forsythia Forsythia 'Courtacour' GOLDILOCKS - forsythia Forsythia 'Courtasol' GOLD TIDE - forsythia Forsythia 'Fiesta' - forsythia Forsythia 'Happy Centennial' - forsythia Forsythia × intermedia 'Arnold Giant' - border forsythia Forsythia × intermedia 'Beatrix Farrand' - border forsythia Forsythia × intermedia 'Courdijau' GOLDEN PEEP - border forsythia Forsythia × intermedia 'Flojor' MINIGOLD - border forsythia Forsythia × intermedia 'Gold Leaf' - forsythia Forsythia × intermedia 'Lynwood Variety' - border forsythia Forsythia × intermedia 'Mindor' SHOW OFF - border forsythia Forsythia × intermedia 'Sunrise' - border forsythia Forsythia × intermedia 'Variegata' - border forsythia Forsythia 'Little Renee' - forsythia Forsythia suspensa - weeping forsythia Forsythia viridissima 'Border Gem' - greenstem forsythia Forsythia viridissima 'Bronxensis' - greenstem forsythia Fortunearia sinensis - fortunearia Fothergilla gardenii - dwarf fothergilla Fothergilla gardenii 'Blue Mist' - dwarf fothergilla Fothergilla gardenii 'Jane Platt' - dwarf fothergilla Fothergilla gardenii 'Klmtwo' BEAVER CREEK - dwarf fothergilla

Fothergilla gardenii 'Windy City' - dwarf fothergilla Fothergilla × intermedia 'Blue Shadow' - fothergilla Fothergilla × intermedia 'Klmsixteen' MAY BOUQUET - fothergilla Fothergilla major - witch-alder Fothergilla major 'Arkansas Beauty' - large fothergilla Fothergilla major 'Red Licorice' - large fothergilla Fothergilla 'Mount Airy' - dwarf fothergilla Fragaria 'Allstar' - strawberry Fragaria × ananassa 'Honeoye' - junebearing strawberry Fragaria × ananassa 'Maxim' - junebearing strawberry Fragaria 'Cavendish' - strawberry Fragaria 'Dunlap' - strawberry Fragaria 'Earliglo' - strawberry Fragaria EVERSWEET - everbearing strawberry Fragaria 'Fort Laramie' - strawberry Fragaria 'Frel' PINK PANDA - strawberry Fragaria 'Lipstick' - strawberry Fragaria 'Mara des Bois' - wild strawberry Fragaria 'Ozark Beauty' - everbearing strawberry Fragaria 'Surecrop' - junebearing strawberry Fragaria 'Tribute' - everbearing strawberry Fragaria vesca - wild strawberry Fragaria vesca 'Alexandra' - woodland strawberry Fragaria vesca 'Semperflorens' - wild strawberry Franklinia alatamaha - Franklin tree Fraxinus americana - white ash Fraxinus americana 'Autumn Purple' - white ash Fraxinus americana 'Rosehill' - white ash Fraxinus excelsior - European ash Fraxinus excelsior 'Hessei' - European ash Fraxinus mandshurica - Manchurian ash Fraxinus ornus - flowering ash Fraxinus pennsylvanica - green ash Fraxinus pennsylvanica 'Patmore' - green ash Fraxinus pennsylvanica 'Summit' - green ash Fraxinus profunda - pumpkin ash Fraxinus quadrangulata - blue ash Fraxinus sogdiana - ash Freesia group - freesia Fremontodendron 'California Glory' - flannel bush Fritillaria imperialis - crown imperial Fritillaria imperialis 'Lutea' - crown imperial Fritillaria meleagris - snake's head fritillary Fritillaria persica - Persian lily Fritillaria raddeana - fritillary Fuchsia group - lady's eardrops Gaillardia aestivalis - lance leaf blanket flower Gaillardia aristata 'Bijou' - blanket flower Gaillardia 'Frenzy' - blanket flower

Gaillardia × grandiflora - blanket flower Gaillardia × grandiflora 'Burgunder' - blanket flower Gaillardia 'Oranges and Lemons' - blanket flower Gaillardia pulchella - Indian blanket Gaillardia 'Tizzy' - blanket flower Gaillardia 'Tokajer' - blanket flower Galanthus elwesii - snowdrop Galanthus ikariae - snowdrop Galanthus nivalis - snowdrop Galanthus nivalis 'Flore Pleno' - snowdrop Galanthus nivalis 'Viridi-apice' - snowdrop Galearis spectabilis - orchid Galium boreale - northern bedstraw - sweet woodruff Galium verum - yellow bedstraw Galphimia gracilis - galphimia Garcinia mangostana - mangosteen Gardenia jasminoides - gardenia Gardenia jasminoides 'Crown Jewel' - gardenia Gardenia jasminoides 'Grif's Select' - gardenia Gardenia jasminoides 'Radicans Variegata' - gardenia Gardenia jasminoides 'Shooting Star' - gardenia Gardenia thunbergia - white gardenia Gaultheria procumbens - wintergreen Gaura lindheimeri - gaura Gaura lindheimeri 'Baltinblus' BALLERINA BLUSH - gaura Gaura lindheimeri 'Crimson Butterflies' - gaura Gaura lindheimeri 'Dauphine' - gaura Gaura lindheimeri 'Gaudpin' STRATOSPHERE PINK PICOTEE - gaura Gaura lindheimeri 'Gautalwhi' STRATOSPHERE WHITE - gaura Gaura lindheimeri KARALEE PETITE PINK - gaura Gaura lindheimeri KARALEE PINK PICOTEE - gaura Gaura lindheimeri 'Nugaupapil' PAPILLON - gaura Gaura lindheimeri 'Nugauwhite' KARALEE WHITE - gaura Gaura lindheimeri 'Passionate Rainbow' - gaura Gaura lindheimeri 'Pink Cloud' - gaura Gaura lindheimeri 'Siskiyou Pink' - gaura Gaura lindheimeri 'Walgaupf' PINK FOUNTAIN - gaura Gaura lindheimeri 'Whirling Butterflies' - gaura Gaura 'So White' - gaura Gazania group - treasure flower Gazania linearis ' Gold' - treasure flower Gazania rigens - treasure flower Gelsemium sempervirens - Carolina yellow jasmine Gentiana alba - gentian Gentiana andrewsii - closed gentian Geranium albanum 'Pink and Stripes' - geranium Geranium × antipodeum 'Chocolate Candy' - geranium Geranium 'Bertie Crûg' - cranesbill

Geranium 'Blogold' BLUE SUNRISE - cranesbill Geranium 'Blue Cloud' - cranesbill Geranium 'Blushing Turtle' - cranesbill Geranium × cantabrigiense 'Biokovo' - hardy geranium Geranium × cantabrigiense 'Karmina' - cranesbill Geranium cinereum 'Janette' - hardy geranium Geranium cinereum 'Purple Pillow' - cranesbill Geranium clarkei - hardy geranium Geranium clarkei 'Kashmir White' - cranesbill Geranium 'Dilys' - cranesbill Geranium 'Dragon Heart' - cranesbill Geranium 'Gernic' SUMMER SKIES - hardy geranium Geranium 'Gerwat' ROZANNE - cranesbill Geranium 'Johnson's Blue' - cranesbill Geranium × lindavicum 'Apple Blossom' - cranesbill Geranium macrorrhizum - cranesbill Geranium macrorrhizum 'Bevan's Variety' - bigroot geranium Geranium macrorrhizum 'Variegatum' - wild cranesbill Geranium maculatum - wild geranium Geranium maculatum 'Elizabeth Ann' - wild geranium Geranium maculatum 'Espresso' - spotted geranium Geranium maculatum f. albiflorum - wild geranium Geranium × magnificum 'Rosemoor' - cranesbill Geranium × monacense 'Muldoon' - hardy geranium Geranium 'Nimbus' - cranesbill Geranium 'Orion' - cranesbill Geranium ' Cherry' - cranesbill Geranium × oxonianum 'Bressingham's Delight' - cranesbill Geranium × oxonianum 'Claridge Druce' - cranesbill Geranium × oxonianum 'Katherine Adele' - cranesbill Geranium × oxonianum 'Thurstonianum' - cranesbill Geranium × oxonianum 'Wargrave Pink' - hardy geranium Geranium palmatum - Canary Island geranium Geranium 'Patricia' - cranesbill Geranium phaeum - hardy geranium Geranium 'Philippe Vapelle' - cranesbill Geranium pratense 'New Dimension' - cranesbill Geranium pratense Victor Reiter Junior strain - meadow cranesbill Geranium psilostemon - cranesbill Geranium renardii - cranesbill Geranium × riversleaianum 'Mavis Simpson' - cranesbill Geranium sanguineum - bloody cranesbill Geranium sanguineum 'Album' - hardy geranium Geranium sanguineum 'Bloger' ALAN BLOOM - bloody cranesbill Geranium sanguineum 'John Elsley' - bloody cranesbill Geranium sanguineum 'Little Bead' - bloody cranesbill Geranium sanguineum 'Max Frei' - bloody cranesbill Geranium sanguineum 'New Hampshire Purple' - bloody cranesbill Geranium sanguineum var. striatum - bloody cranesbill

Geranium sanguineum 'Vision' - bloody cranesbill Geranium subcaulescens - hardy geranium Geranium subcaulescens 'Guiseppii' - hardy geranium Geranium 'Sweet Heidy' - geranium Geranium 'Tanya Rendall' - hardy geranium Geranium 'Tiny Monster' - cranesbill Geranium wallichianum 'Sylvia's Surprise' - cranesbill Geranium wlassovianum - cranesbill Gerbera jamesonii - Transvaal daisy Geum 'Borisii' - avens Geum 'Cherry Cordial' - avens Geum coccineum - avens Geum coccineum 'Cooky' - avens Geum 'Mrs. J. Bradshaw' - avens Geum 'Sea Breeze' - avens Geum triflorum - prairie smoke Ginkgo biloba - maidenhair tree Ginkgo biloba 'Autumn Gold' - maidenhair tree Ginkgo biloba 'Chi-Chi' - maidenhair tree Ginkgo biloba 'Fastigiata' - maidenhair tree Ginkgo biloba 'Jade Butterflies' - maidenhair tree Ginkgo biloba 'Magyar' - maidenhair tree Ginkgo biloba 'Mariken' - maidenhair tree Ginkgo biloba Pendula Group - maidenhair tree Ginkgo biloba 'Princeton Sentry' - maidenhair tree Ginkgo biloba 'Shangri-La' - maidenhair tree Ginkgo biloba 'Troll' - maidenhair tree Ginkgo biloba 'Tubifolia' - maidenhair tree Gladiolus communis subsp. byzantinus - Byzantine gladiolus Gladiolus 'Flevo Jive' - gladiolus Gladiolus × gandavensis - gladiolus Gladiolus group - gladiolus Gladiolus hardy mix - gladiolus Gladiolus murielae - peacock gladiolus Glandularia canadensis - verbena Glandularia canadensis 'Greystone Daphne' - verbena Glandularia canadensis 'Shauna Ann' - rose vervain Gleditsia triacanthos - honey locust Gleditsia triacanthos f. inermis - imperial honey locust Gleditsia triacanthos f. inermis 'Impcole' IMPERIAL - imperial honey locust Gleditsia triacanthos f. inermis 'Skycole' SKYLINE - honey locust Gloriosa superba 'Rothschildiana' - gloriosa lily Glycine max - soy bean Gomphocarpus physocarpus - balloon plant globosa - globe amaranth Gomphrena globosa 'Buddy' - globe amaranth Gomphrena haageana - button flower Goniolimon incanum 'Blue Diamond' - sea lavender Goniolimon tataricum - statice

Gossypium herbaceum - levant cotton Gossypium tomentosum - Hawaiian cotton Graptophyllum pictum - caricature plant Grindelia lanceolata - gum plant Guaiacum sanctum - guaiacum Guazuma ulmifolia - West Indian elm Gunnera manicata - giant rhubarb Guzmania lingulata - scarlet star Gymnaster savatieri - gymnaster Gymnocladus dioica - Kentucky coffee tree Gynura aurantiaca - velvet plant Gypsophila paniculata 'Bristol Fairy' - baby's breath Gypsophila paniculata 'Compacta Plena' - baby's breath Gypsophila paniculata 'Perfekta' - baby's breath Gypsophila paniculata 'Viette's Dwarf' - baby's breath Hacquetia epipactis - hacquetia Hakonechloa macra - Japanese forest grass Hakonechloa macra 'All Gold' - Japanese forest grass Hakonechloa macra 'Aureola' - Japanese forest grass Hakonechloa macra 'Fubuki' - Japanese forest grass Hakonechloa macra 'Nicolas' - Japanese forest grass Hakonechloa macra 'Stripe It Rich' - Japanese forest grass Halesia carolina - Carolina silverbell Halesia diptera - silverbell tree Halesia diptera Magniflora Group - silverbell tree Halesia monticola - silverbell tree Hamamelis 'Brevipetala' - Chinese witch hazel Hamamelis 'Danny' - witch hazel Hamamelis 'Fire Blaze' - witch hazel Hamamelis × intermedia 'Adieu' - witch hazel Hamamelis × intermedia 'Agnes' - witch hazel Hamamelis × intermedia 'Allgold' - witch hazel Hamamelis × intermedia 'Angelly' - witch hazel Hamamelis × intermedia 'Aphrodite' - witch hazel Hamamelis × intermedia 'Arnold Promise' - witch hazel Hamamelis × intermedia 'Aurora' - witch hazel Hamamelis × intermedia 'Barmstedt Gold' - witch hazel Hamamelis × intermedia 'Bernstein' - witch hazel Hamamelis × intermedia 'Birgit' - witch hazel Hamamelis × intermedia 'Brandis' - witch hazel Hamamelis × intermedia 'Cyrill' - witch hazel Hamamelis × intermedia 'Diane' - witch hazel Hamamelis × intermedia 'Doerak' - witch hazel Hamamelis × intermedia 'Double Gold' - witch hazel Hamamelis × intermedia 'Early Bird' - witch hazel Hamamelis × intermedia 'Feuerzauber' FIRE CHARM - witch hazel Hamamelis × intermedia 'Fire Cracker' - witch hazel Hamamelis × intermedia 'Georges' - witch hazel Hamamelis × intermedia 'Gingerbread' - witch hazel

Hamamelis × intermedia 'Harlow Carr' - witch hazel Hamamelis × intermedia 'Harry' - witch hazel Hamamelis × intermedia 'Heinrich Bruns' - witch hazel Hamamelis × intermedia 'Hiltingbury' - witch hazel Hamamelis × intermedia 'Jelena' - witch hazel Hamamelis × intermedia 'Limelight' - witch hazel Hamamelis × intermedia 'Livia' - witch hazel Hamamelis × intermedia 'Moonlight' - witch hazel Hamamelis × intermedia 'Nina' - witch hazel Hamamelis × intermedia 'Orange Beauty' - witch hazel Hamamelis × intermedia 'Orange Encore' - witch hazel Hamamelis × intermedia 'Orange Peel' - witch hazel Hamamelis × intermedia 'Pallida' - witch hazel Hamamelis × intermedia 'Parasol' - witch hazel Hamamelis × intermedia 'Primavera' - witch hazel Hamamelis × intermedia 'Robert' - witch hazel Hamamelis × intermedia 'Rubin' - witch hazel Hamamelis × intermedia 'Sarah' - witch hazel Hamamelis × intermedia 'Savill Starlight' - witch hazel Hamamelis × intermedia 'Spanish Spider' - witch hazel Hamamelis × intermedia 'Strawberries and Cream' - witch hazel Hamamelis × intermedia 'Sunburst' - witch hazel Hamamelis × intermedia 'Vesna' - witch hazel Hamamelis × intermedia 'Westerstede' - witch hazel Hamamelis japonica - Japanese witch hazel Hamamelis japonica 'Arborea' - Japanese witch hazel Hamamelis japonica 'Canary Yellow' - witch hazel Hamamelis japonica var. obtusata - Japanese witch hazel Hamamelis mollis - Chinese witch hazel Hamamelis mollis 'Bonny Brook' - Chinese witch hazel Hamamelis mollis 'Fred Chittenden' - Chinese witch hazel Hamamelis mollis 'Gold Edge' - Chinese witch hazel Hamamelis mollis 'Goldcrest' - Chinese witch hazel Hamamelis mollis 'Imperialis' - Chinese witch hazel Hamamelis mollis 'Jermyns Gold' - Chinese witch hazel Hamamelis mollis 'Princeton Gold' - Chinese witch hazel Hamamelis mollis 'Sweet Sunshine' - Chinese witch hazel Hamamelis mollis 'Wisley Supreme' - Chinese witch hazel Hamamelis 'Rochester' - witch hazel Hamamelis vernalis - Ozark witch hazel Hamamelis vernalis 'Autumn Embers' - Ozark witch hazel Hamamelis vernalis 'Carnea' - Ozark witch hazel Hamamelis vernalis 'Christmas Cheer' - Ozark witch hazel Hamamelis vernalis 'Kohankie Red' - Ozark witch hazel Hamamelis vernalis 'Lombart's Weeping' - Ozark witch hazel Hamamelis vernalis 'Purpurea' - Ozark witch hazel Hamamelis vernalis 'Sandra' - Ozark witch hazel Hamamelis vernalis 'Squib' - Ozark witch hazel Hamamelis vernalis 'Washington Park' - Ozark witch hazel

Hamamelis virginiana - common witch hazel Hamamelis virginiana 'Green Thumb' - common witch hazel Hamamelis virginiana 'Little Suzie' - common witch hazel Hamamelis virginiana 'Mohonk Red' - common witch hazel Hamelia patens - scarlet bush Hebe 'Alicia Amherst' - hebe Hedera colchica - Persian ivy Hedera colchica 'Dentata Variegata' - bullock's heart ivy Hedera helix - English ivy Hedera helix 'Arborescens' - English ivy Hedera helix 'Glacier' - English ivy Hedera helix 'Midas Touch' - English ivy Hedera helix var. baltica - English ivy Hedychium coronarium - butterfly lily Hedysarum coronarium - French honeysuckle Heimia salicifolia - shrubby yellowcrest Helenium autumnale - sneezeweed Helenium 'Bruno' - sneezeweed Helenium 'Coppelia' - sneezeweed Helenium flexuosum - purple-headed sneezeweed Helenium 'Goldlackzwerg' GILDED DWARF - sneezeweed Helenium 'Helbro' MARDI GRAS - sneezeweed Helenium 'Moerheim Beauty' - sneezeweed Helenium 'Rotgold' - sneezeweed Helenium virginicum - sneezeweed Helenium 'Wyndley' - sneezeweed Helenium 'Zimbelstern' - sneezeweed Helianthella quinquenervis - little sunflower Helianthemum mutabile - rock rose Helianthemum nummularium - rock rose Helianthemum 'Rhodanthe Carneum' - rock rose Helianthus annuus - sunflower Helianthus annuus 'Sungold' - sunflower Helianthus 'Capenoch Star' - sunflower Helianthus divaricatus - sunflower Helianthus maximiliani - Maximilian sunflower Helianthus mollis - ashy sunflower Helianthus occidentalis - sunflower Helianthus salicifolius - willow-leaved sunflower Helianthus salicifolius 'First Light' - willow-leaved sunflower Helianthus salicifolius 'Low Down' - willow-leaved sunflower Helianthus salicifolius 'Table Mountain' - willow-leaved sunflower Helianthus silphioides - rosinweed sunflower Helichrysum petiolare - licorice plant Helictotrichon sempervirens - blue oat grass Helictotrichon sempervirens 'Saphirsprudel' - blue oat grass Heliopsis 'Helhan' LORAINE SUNSHINE - ox-eye daisy Heliopsis helianthoides - oxeye sunflower Heliopsis helianthoides 'Prairie Sunset' - false sunflower

Heliopsis helianthoides 'Tuscan Sun' - ox-eye daisy Heliopsis helianthoides var. scabra - ox eye Heliopsis helianthoides var. scabra 'Goldgefieder' GOLDEN PLUME - ox eye Heliopsis helianthoides var. scabra 'Sommersonne' SUMMER SUN - ox eye Heliopsis helianthoides var. scabra 'Spitzentanzerin' BALLERINA - ox-eye daisy Heliopsis helianthoides var. scabra 'Venus' - oxeye sunflower Heliotropium arborescens - heliotrope Helleborus argutifolius - Corsican hellebore Helleborus 'Brushstrokes Strain' - hellebore Helleborus foetidus - stinking hellebore Helleborus foetidus 'Piccadilly' - stinking hellebore Helleborus foetidus 'Pontarlier' - stinking hellebore Helleborus foetidus 'Sienna' - stinking hellebore Helleborus × hybridus Ballard's Group - hellebore Helleborus × hybridus 'Blue Lady' - hellebore Helleborus × hybridus Lady Mix - hellebore Helleborus × hybridus 'Pine Knot Best Darks' - hellebore Helleborus × hybridus 'Pine Knot Best R & C' - hellebore Helleborus × hybridus 'Pine Knot Best Strain' - hellebore Helleborus × hybridus 'Pink Lady' - hellebore Helleborus × hybridus red hybrid - hellebore Helleborus × hybridus 'Red Lady' - hellebore Helleborus × hybridus 'Red Mountain' - hellebore Helleborus × hybridus 'White Lady' - hellebore Helleborus × hybridus 'White Lady Spotted' - hellebore Helleborus × hybridus 'Yellow Lady' - hellebore Helleborus 'Mardi Gras Double Mix' - hellebore Helleborus niger - Christmas rose Helleborus orientalis - hellebore Helleborus orientalis 'Millet Hybrids' - hellebore Helleborus orientalis subsp. abchasicus Early Purple Group - hellebore Helleborus Painted Strain WINTER JEWELS - hellebore Helleborus purpurascens 'Red Power' - hellebore Helleborus 'Regal Ruffles' - hellebore Helleborus 'Royal Heritage' - hellebore Helleborus 'Walhelivor' IVORY PRINCE - Christmas rose Helleborus 'Winter Joy Bouquet' - hellebore Hemerocallis 'Adams Street' - daylily Hemerocallis 'Almost Paradise' - daylily Hemerocallis 'Angelotti' - daylily Hemerocallis 'Apricot' - daylily Hemerocallis 'Apricot Beauty' - daylily Hemerocallis 'Apricot Honey' - daylily Hemerocallis 'Apricot Petticoats' - daylily Hemerocallis 'Apricot Sparkles' - daylily Hemerocallis 'Arabian Magic' - tetraploid daylily Hemerocallis 'Atoll' - daylily Hemerocallis 'Autumn Minaret' - daylily Hemerocallis 'Autumn Red' - daylily

Hemerocallis 'Baby Lamb' - tetraploid daylily Hemerocallis 'Baltimore Oriole' - daylily Hemerocallis 'Black Stockings' - tetraploid daylily Hemerocallis 'Bookmark' - daylily Hemerocallis 'Border Class' - daylily Hemerocallis 'Brookwood Ojo Poco' - daylily Hemerocallis 'Burlesque' - daylily Hemerocallis 'Call To Worship' - tetraploid daylily Hemerocallis 'Canadian Border Patrol' - tetraploid daylily Hemerocallis 'Carolyn Criswell' - daylily Hemerocallis 'Cee Tee' - daylily Hemerocallis 'Chablis Blanc' - daylily Hemerocallis 'Champagne Royale' - tetraploid daylily Hemerocallis 'Charles Johnston' - daylily Hemerocallis 'Cherry Berry' - tetraploid daylily Hemerocallis 'Chicago Fire' - daylily Hemerocallis 'Chicago Sunrise' - tetraploid daylily Hemerocallis 'Chorus Line' - daylily Hemerocallis 'Christmas Is' - daylily Hemerocallis 'Ciel D'Or' - tetraploid daylily Hemerocallis ' Pleasure' - tetraploid daylily Hemerocallis citrina - daylily Hemerocallis 'Crown Royal' - tetraploid daylily Hemerocallis 'Curly Rosy Posey' - daylily Hemerocallis 'Double Doodah' - daylily Hemerocallis 'Double ' - daylily Hemerocallis 'Doug's Red Mercedes' - tetraploid daylily Hemerocallis 'Eenie Weenie' - daylily Hemerocallis 'English Pixie' - daylily Hemerocallis 'Erin Prairie' - daylily Hemerocallis 'Evening Enchantment' - tetraploid daylily Hemerocallis 'Everblooming Doll' - daylily Hemerocallis 'Eye of Newt' - daylily Hemerocallis 'Eye Yi Yi' - daylily Hemerocallis 'Fairy Tale Pink' - daylily Hemerocallis 'Faith Nabor' - daylily Hemerocallis 'Flasher' - daylily Hemerocallis 'Fly Catcher' - daylily Hemerocallis 'Friend Jack' - daylily Hemerocallis fulva - daylily Hemerocallis 'Gadsden Goliath' - daylily Hemerocallis 'Gentle Shepherd' - daylily Hemerocallis 'Glowing Heart' - daylily Hemerocallis 'Going ' - daylily Hemerocallis 'Golden Calypso' - daylily Hemerocallis 'Golden Tear Drops' - tetrapoild daylily Hemerocallis 'Golden Tycoon' - daylily Hemerocallis 'Golliwog' - daylily Hemerocallis 'Green Flutter' - daylily

Hemerocallis 'Green Puff' - daylily Hemerocallis 'Green Tarantula' - daylily Hemerocallis 'Happy Returns' - daylily Hemerocallis 'Heron' - daylily Hemerocallis 'Hollywood' - daylily Hemerocallis 'Hyperion' - daylily Hemerocallis 'Ivory Dawn' - daylily Hemerocallis 'Jade Star' - daylily Hemerocallis 'James Marsh' - daylily Hemerocallis 'Joan Senior' - daylily Hemerocallis 'Judith' - tetraploid daylily Hemerocallis 'Just a Bit' - daylily Hemerocallis 'Katie' - daylily Hemerocallis 'Lady Emily' LOVELY LADY - daylily Hemerocallis 'Lady ' - daylily Hemerocallis 'Lady Florence' - daylily Hemerocallis 'Lady Georgia' - daylily Hemerocallis 'Lady Jackie' - daylily Hemerocallis 'Lady Rose' - daylily Hemerocallis 'Late Plum' - daylily Hemerocallis 'Lavender Stardust' - daylily Hemerocallis lilioasphodelus - daylily Hemerocallis 'Little Audrey' - daylily Hemerocallis 'Little Baby Mine' - daylily Hemerocallis 'Little Business' - daylily Hemerocallis 'Little Doll' - daylily Hemerocallis 'Little Fantastic' - daylily Hemerocallis 'Little Fat Cat' - daylily Hemerocallis 'Malja' GOLDEN ZEBRA - daylily Hemerocallis 'Marshmallow Cloud' - daylily Hemerocallis 'Mauna Loa' - daylily Hemerocallis 'Mini Pearl' - daylily Hemerocallis 'Mini Stella' - daylily Hemerocallis minor - dwarf yellow daylily Hemerocallis 'Miss Amelia' - daylily Hemerocallis 'Miss Mary Mary' - daylily Hemerocallis 'Miss Tinkerbell' - daylily Hemerocallis 'Miss Victoria' - daylily Hemerocallis 'Mission Moonlight' - daylily Hemerocallis 'Moontraveller' - daylily Hemerocallis 'My Ways' - daylily Hemerocallis 'Northbrook Star' - daylily Hemerocallis 'Nuthatch' - daylily Hemerocallis 'Painted Trillium' - daylily Hemerocallis 'Pardon Me' - daylily Hemerocallis 'Pawn of Prophecy' - daylily Hemerocallis 'Pink Goodie' - daylily Hemerocallis 'Pink Lavender Appeal' - daylily Hemerocallis 'Pink Puff' - daylily

Hemerocallis 'Pink Super Spider' - daylily Hemerocallis 'Pink Tangerine' - daylily Hemerocallis 'Pony' - daylily Hemerocallis 'Prairie Blue Eyes' - daylily Hemerocallis 'Prince of Venice' - daylily Hemerocallis 'Purple d'Oro' - daylily Hemerocallis 'Purple Pauper' - daylily Hemerocallis 'Radiant Greetings' - daylily Hemerocallis 'Red Magic' - daylily Hemerocallis 'Respighi' - tetraploid daylily Hemerocallis 'Ribbons and Curls' - daylily Hemerocallis 'Rosana' - daylily Hemerocallis 'Rose' - tetraploid daylily Hemerocallis 'Rosy Returns' - daylily Hemerocallis 'Ruffles Elegante' - tetraploid daylily Hemerocallis 'Scarlet Oak' - daylily Hemerocallis 'Secret Garden' - daylily Hemerocallis 'Siloam Cherry Chimes' - daylily Hemerocallis 'Siloam David Kirchhoff' - daylily Hemerocallis 'Siloam Grace Stamile' - daylily Hemerocallis 'Siloam June Bug' - daylily Hemerocallis 'Sister Clara' - daylily Hemerocallis 'Smooch Hollow' - tetraploid daylily Hemerocallis 'Song Sparrow' - daylily Hemerocallis 'Spacecoast Tiny Perfection' - tetraploid daylily Hemerocallis 'Squash Tempura' - daylily Hemerocallis 'Stella de Oro' - daylily Hemerocallis 'Strawberry Rose' - tetraploid daylily Hemerocallis 'Swirling Water' - daylily Hemerocallis 'Techny Spider' - daylily Hemerocallis 'Tennyson' - tetraploid daylily Hemerocallis 'Tetrina's Daughter' - daylily Hemerocallis 'Thousand Voices' - daylily Hemerocallis 'Tiger Time' - tetraploid daylily Hemerocallis 'Warrior Prince' - daylily Hemerocallis 'Wayside Green Imp' - daylily Hemerocallis 'Wayside King Royale' - daylily Hemerocallis 'Zada Mae' - daylily Hemiboea subcapitata Hemigraphis alternata - red flame ivy Hemigraphis 'Exotica' - hemigraphis Hepatica americana - hepatica Heptacodium miconioides - seven-son flower Heracleum mantegazzianum - giant hogweed Herniaria hirsuta - rupture-wort Hesperis matronalis - dame's rocket Heterotheca camporum - golden aster Heuchera 'Amber Waves' - coral bells Heuchera americana - coral bells

Heuchera americana 'Bartram' - coral bells Heuchera americana Dale's Strain - coral bells Heuchera americana 'Ring of Fire' - coral bells Heuchera 'Amethyst Myst' - coral bells Heuchera 'Bella Notte' - coral bells Heuchera 'Berry Smoothie' - coral bells Heuchera 'Black Beauty' - coral bells Heuchera 'Blackberry Ice' DOLCE BLACKBERRY ICE - coral bells Heuchera 'Blackout' - coral bells Heuchera × brizoides 'Chatterbox' - coral bells Heuchera × brizoides 'June Bride' - coral bells Heuchera 'Cappuccino' - coral bells Heuchera 'Caramel' - coral bells Heuchera 'Cathedral Windows' - coral bells Heuchera 'Cherries Jubilee' - coral bells Heuchera 'Cherry Cola' - coral bells Heuchera 'Chocolate Ruffles' - coral bells Heuchera 'Chocolate Veil' - coral bells Heuchera 'Christa' - coral bells Heuchera 'Cinnabar Silver' - coral bells Heuchera 'Circus' - coral bells Heuchera 'Citronelle' - coral bells Heuchera 'Coco' LITTLE CUTIE COCO - coral bells Heuchera 'Crimson Curls' - coral bells Heuchera 'Cultus Bay Beauty' - coral bells Heuchera cylindrica - coral bells Heuchera DOLCE BLACKCURRANT - coral bells Heuchera DOLCE CREME DE MENTHE - coral bells Heuchera 'Encore' - coral bells Heuchera 'Fire Chief' - coral bells Heuchera 'Frosted Violet' - coral bells Heuchera 'Georgia Peach' - coral bells Heuchera 'Ginger Ale' - coral bells Heuchera 'Ginger Peach' - coral bells Heuchera 'Green Spice' - coral bells Heuchera 'Harmonic Convergence' - coral bells Heuchera 'Hercules' - coral bells Heuchera 'Heuros' BLOOM - coral bells Heuchera 'Inheuredfu' DOLCE CINNAMON CURLS - coral bells Heuchera 'Jade Gloss' - coral bells Heuchera 'Leuchtkafer' FIREFLY - coral bells Heuchera 'Lime Marmalade' - coral bells Heuchera 'Lime Rickey' - coral bells Heuchera 'Mahogany' - coral bells Heuchera 'Marmalade' - coral bells Heuchera 'Melting Fire' - coral bells Heuchera micrantha var. diversifolia 'Absi' BRESSINGHAM BRONZE - coral bells Heuchera micrantha var. diversifolia 'Palace Purple' - coral bells Heuchera 'Midnight Rose' - coral bells

Heuchera 'Miracle' - coral bells Heuchera 'Mocha' - coral bells Heuchera 'Molly Bush' - coral bells Heuchera 'Montrose Ruby' - coral bells Heuchera 'Mt. St. Helens' - coral bells Heuchera 'Oakington Jewel' - coral bells Heuchera 'Obsidian' - coral bells Heuchera 'Palace Passion' - coral bells Heuchera parviflora var. puberula - littleflower alumroot Heuchera 'Peach Flambe' - coral bells Heuchera 'Peach Pie' DOLCE PEACH - coral bells Heuchera 'Pewter Veil' - coral bells Heuchera 'Pinot Gris' - coral bells Heuchera 'Pinot Noir' - coral bells Heuchera 'Plum Pudding' - coral bells Heuchera 'Purple Petticoats' - coral bells Heuchera 'Purple Sails' - coral bells Heuchera 'Pwheu0102' DOLCE MOCHA MINT - coral bells Heuchera 'Rachel' - coral bells Heuchera 'Raspberry Ice' - coral bells Heuchera 'Raspberry Regal' - coral bells Heuchera 'Rave On' - coral bells Heuchera 'Regina' - coral bells Heuchera richardsonii - alum root Heuchera 'Ruby Veil' - coral bells Heuchera sanguinea - coral bells Heuchera sanguinea 'Frosty' - coral bells Heuchera sanguinea 'Monet' - coral bells Heuchera sanguinea 'Ruby Bells' - coral bells Heuchera sanguinea 'Snow Storm' - coral bells Heuchera sanguinea 'Splendens' - coral bells Heuchera 'Silver Lode' - coral bells Heuchera 'Silver Scrolls' - coral bells Heuchera 'Snow Angel' - coral bells Heuchera 'Southern Comfort' - coral bells Heuchera 'Sparkling Burgundy' - coral bells Heuchera 'Strawberry Candy' - coral bells Heuchera 'Strawberry Swirl' - coral bells Heuchera 'Tara' - coral bells Heuchera 'Tiramisu' - coral bells Heuchera 'TNHEU041' DOLCE CREME BRULEE - coral bells Heuchera 'TNHEU042' DOLCE KEY LIME PIE - coral bells Heuchera 'TNHEU044' DOLCE LICORICE - coral bells Heuchera 'Veil of Passion' - coral bells Heuchera 'Velvet Night' - coral bells Heuchera 'Vesuvius' - coral bells Heuchera villosa - hairy alum root Heuchera villosa 'Autumn Bride' - hairy alum root Heuchera villosa 'Brownies' - hairy alum root

Heuchera villosa 'Chantilly' - hairy alum root Heuchera villosa 'Purpurea' - hairy alum root × Heucherella ' Sunrise' - foamy bells × Heucherella alba 'Bridget Bloom' - foamy bells × Heucherella alba 'Rosalie' - foamy bells × Heucherella alba 'Snow White' - foamy bells × Heucherella 'Burnished Bronze' - foamy bells × Heucherella 'Buttered Rum' - foamy bells × Heucherella 'Checkered White' - foamy bells × Heucherella 'Dayglow Pink' - foamy bells × Heucherella 'Gunsmoke' - foamy bells × Heucherella 'HERT042' STRIKE IT RICH PINK GEM - foamy bells × Heucherella 'Kimono' - foamy bells × Heucherella 'Pink Frost' - foamy bells × Heucherella 'Quicksilver' - foamy bells × Heucherella 'Redstone Falls' - foamy bells × Heucherella 'Silver Streak' - foamy bells × Heucherella 'Solar Power' - foamy bells × Heucherella 'Sunspot' - foamy bells × Heucherella 'Viking Ship' - foamy bells × Heucherella 'Yellowstone Falls' - foamy bells Hibiscus '100 Degrees' - hardy hibiscus Hibiscus 'Anne Arundel' - hardy hibiscus Hibiscus 'Annie J. Hemming' - hardy hibiscus Hibiscus 'Blue River II' - hardy hibiscus Hibiscus 'Candy Stripe' - hardy hibiscus Hibiscus 'Clown' - hardy hibiscus Hibiscus coccineus - scarlet rose mallow Hibiscus 'Cranberry Crush' - hardy hibiscus Hibiscus 'Draped Lady' - hardy hibiscus Hibiscus 'Etna Pink' - hardy hibiscus Hibiscus 'Everest White' - common rose mallow Hibiscus 'Fantasia' - hardy hibiscus Hibiscus 'Giant Maroon' - hibiscus Hibiscus 'Kopper King' - hardy hibiscus Hibiscus laevis - rose mallow Hibiscus lasiocarpos - rose mallow Hibiscus 'Lester Riegel' - hardy hibiscus Hibiscus 'Lord Baltimore' - hardy hibiscus Hibiscus 'Matterhorn' - hardy hibiscus Hibiscus 'Midnight Marvel' - hibiscus Hibiscus moscheutos 'Disco Belle Pink' - hardy hibiscus Hibiscus moscheutos 'Disco Belle Rosy Red' - hardy hibiscus Hibiscus moscheutos 'Disco Belle White' - hardy hibiscus Hibiscus moscheutos 'Luna Blush' - hardy hibiscus Hibiscus moscheutos 'Luna Red' - hardy hibiscus Hibiscus moscheutos 'Scallopini' - hardy hibiscus Hibiscus moscheutos Southern Belle Group - hardy hibiscus Hibiscus moscheutos 'Who says' - common rose mallow

Hibiscus moscheutos 'Wildwood Wonder' - hardy hibiscus Hibiscus 'Old Yella' - hibiscus Hibiscus 'Pitter Patti' - hardy hibiscus Hibiscus 'Plum Crazy' - hardy hibiscus Hibiscus 'Pyrenees Pink' - common rose mallow Hibiscus rosa-sinensis - Chinese hibiscus Hibiscus rosa-sinensis 'Persimmon' - Chinese hibiscus Hibiscus schizopetalus - Japanese lantern Hibiscus striatus subsp. lambertianus - striped rosemallow Hibiscus 'Summer Storm' - hardy hibiscus Hibiscus 'Sweet Caroline' - hardy hibiscus Hibiscus syriacus - rose of Sharon Hibiscus syriacus 'American Irene Scott' SUGAR TIP - rose of Sharon Hibiscus syriacus 'Antong Two' LIL' KIM - rose of Sharon Hibiscus syriacus 'Aphrodite' - rose of Sharon Hibiscus syriacus 'Boule de Feu' FIREBALL - rose of Sharon Hibiscus syriacus 'Diana' - rose of Sharon Hibiscus syriacus 'Helene' - rose of Sharon Hibiscus syriacus 'Lucy' - rose of Sharon Hibiscus syriacus 'Marina' BLUE SATIN - rose of Sharon Hibiscus syriacus 'Mineru' FIRST EDITIONS TAHITI - rose of Sharon Hibiscus syriacus 'Minerva' - rose of Sharon Hibiscus syriacus 'Minfren' FIRST EDITIONS BALI - rose of Sharon Hibiscus syriacus 'Minspot' FIRST EDITIONS FIJI - rose of Sharon Hibiscus syriacus 'Minsygrbl7' FIRST EDITIONS - rose of Sharon Hibiscus syriacus 'Notwoodone' LAVENDER CHIFFON - rose of Sharon Hibiscus syriacus 'Notwoodtwo' WHITE CHIFFON - rose of Sharon Hibiscus tiliaceus - mahoe Hibiscus trionum - hibiscus Hibiscus 'Turn of the Century' - hardy hibiscus Hippeastrum group - amaryllis Hippophae rhamnoides - sea buckthorn Holcus mollis 'Albovariegatus' - creeping velvetgrass 'Abby' - hosta Hosta 'August Moon' - hosta Hosta 'Autumn Frost' - hosta Hosta 'Aztec Treasure' - hosta Hosta 'Betcher's Blue' - hosta Hosta 'Big Daddy' - hosta Hosta 'Birchwood Parky's Gold' - hosta Hosta 'Black Hills' - hosta Hosta 'Blonde Elf' - hosta Hosta 'Blue Angel' - hosta Hosta 'Blue Mammoth' - hosta Hosta 'Blue Mouse Ears' - hosta Hosta 'Blue Umbrellas' - hosta Hosta 'Brim Cup' - hosta Hosta cathayana - hosta Hosta 'Chartreuse Wiggles' - hosta

Hosta 'Chinese Sunrise' - hosta Hosta 'Chôkô Nishiki' ON STAGE - hosta Hosta clausa - hosta Hosta 'Daybreak' - hosta Hosta 'Decorata' - hosta Hosta densa - hosta Hosta 'Diana Remembered' - hosta Hosta elata - hosta Hosta 'Elvis Lives' - hosta Hosta 'Emerald Tiara' - hosta Hosta 'Empress Wu' - hosta Hosta 'Floradora' - hosta Hosta 'Fortunei Albomarginata' - hosta Hosta 'Fortunei Aureomarginata' - hosta Hosta 'Fortunei Hyacinthina' - hosta Hosta 'Fragrant Blue' - hosta Hosta 'Fragrant Bouquet' - hosta Hosta 'Francee' - hosta Hosta 'Ghost Spirit' - hosta Hosta 'Ginko Craig' - hosta Hosta 'Gold Drop' - hosta Hosta 'Gold Edger' - hosta Hosta 'Gold Standard' - hosta Hosta 'Golden Scepter' - hosta Hosta 'Golden Tiara' - hosta Hosta 'Great Expectations' - hosta Hosta 'Ground Master' - hosta Hosta 'Ground Sulphur' - hosta Hosta 'Guacamole' - hosta Hosta 'Gypsy Rose' - hosta Hosta 'Hadspen Blue' - hosta Hosta 'Haku Chu Han' - hosta Hosta 'High Society' - hosta Hosta 'Honeybells' - hosta Hosta hypoleuca - hosta Hosta 'Jade Cascade' - hosta Hosta 'Janet' - hosta Hosta 'King Tut' - hosta Hosta 'Krossa Regal' - hosta Hosta lancifolia - narrow-leaved hosta Hosta 'Leather Sheen' - hosta Hosta 'Lemon Lime' - hosta Hosta '' - hosta Hosta 'Little Aurora' - hosta Hosta 'Little Razor' - hosta Hosta 'Little Sunspot' - hosta Hosta longipes - hosta Hosta longissima - hosta Hosta 'Miss Ruby' - hosta

Hosta 'Northern Halo' Hosta 'One Man's Treasure' - hosta Hosta 'Patriot' - hosta Hosta 'Pearl Lake' - hosta Hosta 'Piedmont Gold' - hosta Hosta 'Pizzazz' - hosta Hosta plantaginea - hosta Hosta plantaginea var. japonica - hosta Hosta 'Plug Nickel' - hosta Hosta 'Purple Lady Finger' - hosta Hosta 'Raspberry Sorbet' - hosta Hosta 'Red October' - hosta Hosta 'Regal Splendor' - hosta Hosta 'Revolution' - hosta Hosta 'Royal Standard' - hosta Hosta 'Ruffles' - hosta Hosta rupifraga - hosta Hosta 'Sagae' - hosta Hosta 'Shade Fanfare' - hosta Hosta 'Shining Tot' - hosta Hosta sieboldiana - hosta Hosta sieboldiana 'Elegans' - hosta Hosta sieboldiana 'Frances Williams' - hosta Hosta sieboldii 'Kabitan' - hosta Hosta 'Slick Willie' - hosta Hosta 'So Sweet' - hosta Hosta 'Sparkling Burgundy' - hosta Hosta 'Spritzer' - hosta Hosta 'St. Elmo's Fire' - hosta Hosta 'Stiletto' - hosta Hosta 'Sugar Plum Fairy' - hosta Hosta 'Sum and Substance' - hosta Hosta Tardiana Group 'Blue Blush' - hosta Hosta Tardiana Group 'Blue Danube' - hosta Hosta Tardiana Group 'Blue Moon' - hosta Hosta Tardiana Group 'Blue Wedgwood' - hosta Hosta Tardiana Group 'Dorset Blue' - hosta Hosta Tardiana Group 'Hadspen Hawk' - hosta Hosta Tardiana Group 'Halcyon' - hosta Hosta Tardiana Group 'Harmony' - hosta Hosta Tardiana Group 'June' - hosta Hosta 'Tattoo' - hosta Hosta 'Temple Bells' - hosta Hosta 'Undulata Erromena' - hosta Hosta 'Undulata Variegata' - hosta Hosta 'Vanilla Cream' - hosta Hosta ventricosa - hosta Hosta ventricosa 'Aureomaculata' - hosta Hosta venusta - hosta

Hosta venusta 'Variegated' - hosta Hosta 'Vera Verde' - hosta Hosta 'Vim and Vigor' - hosta Hosta 'White Christmas' - hosta Hosta 'Wide Brim' - hosta Hosta 'Zounds' - hosta 'Chameleon' - houttuynia Hoya carnosa - wax plant Humulus lupulus - common hop Humulus lupulus 'Aureus' - common hop Humulus lupulus 'Sumner' SUMMER SHANDY - common hop Hyacinthoides hispanica - Spanish bluebell Hyacinthoides hispanica 'Excelsior' - Spanish bluebell Hyacinthoides hispanica 'Rosabella' - Spanish bluebell Hyacinthoides hispanica 'Rose Queen' - Spanish bluebell Hyacinthoides hispanica 'White City' - Spanish bluebell Hyacinthoides hispanica 'White Triumphator' - Spanish bluebell Hyacinthoides non-scripta - English bluebell Hyacinthus orientalis - common hyacinth Hyacinthus orientalis 'Blue Jacket' - common hyacinth Hyacinthus orientalis 'Woodstock' - common hyacinth Hydrangea angustipetala 'MonLongShou' GOLDEN CRANE - hydrangea Hydrangea anomala - climbing hydrangea Hydrangea anomala subsp. petiolaris - climbing hydrangea Hydrangea anomala subsp. petiolaris 'Miranda' - climbing hydrangea Hydrangea arborescens - smooth hydrangea Hydrangea arborescens 'Abetwo' INCREDIBALL - smooth hydrangea Hydrangea arborescens 'Annabelle' - smooth hydrangea Hydrangea arborescens 'Dardom' WHITE DOME - smooth hydrangea Hydrangea arborescens 'Grandiflora' - smooth hydrangea Hydrangea arborescens 'Hayes Starburst' - smooth hydrangea Hydrangea arborescens 'NCHA1' INVINCIBELLE SPIRIT - smooth hydrangea Hydrangea arborescens 'Piiha-I' ENDLESS SUMMER BELLA - smooth hydrangea Hydrangea arborescens 'Ryan Gainey' - smooth hydrangea Hydrangea aspera subsp. sargentiana - bigleaf hydrangea Hydrangea macrophylla - bigleaf hydrangea Hydrangea macrophylla 'All Summer Beauty' - bigleaf hydrangea Hydrangea macrophylla 'Amethyst' - bigleaf hydrangea Hydrangea macrophylla 'Ami Pasquier' - bigleaf hydrangea Hydrangea macrophylla 'Bailmer' ENDLESS SUMMER - bigleaf hydrangea Hydrangea macrophylla 'Berlin Rabe' CITYLINE BERLIN - bigleaf hydrangea Hydrangea macrophylla 'Big Daddy' - bigleaf hydrangea Hydrangea macrophylla 'Blaumeise' BLUE TITMOUSE - bigleaf hydrangea Hydrangea macrophylla 'Dancing Snow' WEDDING GOWN - bigleaf hydrangea Hydrangea macrophylla 'David Ramsey' - bigleaf hydrangea Hydrangea macrophylla 'Dooley' - bigleaf hydrangea Hydrangea macrophylla 'Enziandom' - bigleaf hydrangea Hydrangea macrophylla 'Fanfare' WEDDING RING - bigleaf hydrangea Hydrangea macrophylla 'Fasan' PHEASANT - bigleaf hydrangea

Hydrangea macrophylla 'Forever Pink' - bigleaf hydrangea Hydrangea macrophylla group - bigleaf hydrangea Hydrangea macrophylla 'Hokomarevo' EVERLASTING REVOLUTION - bigleaf hydrangea Hydrangea macrophylla 'Homigo' - bigleaf hydrangea Hydrangea macrophylla 'Horwack' PISTACHIO - bigleaf hydrangea Hydrangea macrophylla 'Izu-no-hana' - bigleaf hydrangea Hydrangea macrophylla 'Kompeito' STAR GAZER - bigleaf hydrangea Hydrangea macrophylla 'Lanarth White' - bigleaf hydrangea Hydrangea macrophylla 'Lemon Wave' - bigleaf hydrangea Hydrangea macrophylla 'Lynn' LET'S DANCE STARLIGHT - bigleaf hydrangea Hydrangea macrophylla 'Maculata' - bigleaf hydrangea Hydrangea macrophylla 'Mariesii' - bigleaf hydrangea Hydrangea macrophylla 'Mariesii Perfecta' BLUE WAVE - bigleaf hydrangea Hydrangea macrophylla 'Merritt's Supreme' - bigleaf hydrangea Hydrangea macrophylla 'Monrey' BUTTONS 'N' BOWS - bigleaf hydrangea Hydrangea macrophylla 'Mousmee' - bigleaf hydrangea Hydrangea macrophylla 'Mowe' - bigleaf hydrangea Hydrangea macrophylla 'Nigra' - bigleaf hydrangea Hydrangea macrophylla 'Nikko Blue' - bigleaf hydrangea Hydrangea macrophylla 'Otaksa' - bigleaf hydrangea Hydrangea macrophylla 'P11HM' BLOOMSTRUCK - bigleaf hydrangea Hydrangea macrophylla 'Penny Mac' - bigleaf hydrangea Hydrangea macrophylla 'Pia' - bigleaf hydrangea Hydrangea macrophylla 'Robert' LET'S DANCE MOONLIGHT - bigleaf hydrangea Hydrangea macrophylla 'Shamrock' - bigleaf hydrangea Hydrangea macrophylla 'Sonmarie' PINK SHIRA - bigleaf hydrangea Hydrangea macrophylla 'Taube' - bigleaf hydrangea Hydrangea macrophylla 'Tokyo Delight' - bigleaf hydrangea Hydrangea macrophylla 'Venice Raven' CITYLINE VENICE - bigleaf hydrangea Hydrangea paniculata - panicle hydrangea Hydrangea paniculata 'Bokrathirteen' SWEET SUMMER - panicle hydrangea Hydrangea paniculata 'Bombshell' - panicle hydrangea Hydrangea paniculata 'Chantilly Lace' - panicle hydrangea Hydrangea paniculata 'Dvppinky' PINKY-WINKY - panicle hydrangea Hydrangea paniculata 'Grandiflora' - panicle hydrangea Hydrangea paniculata 'Ilvobo' BOBO - panicle hydrangea Hydrangea paniculata 'Interhydia' PINK DIAMOND - panicle hydrangea Hydrangea paniculata 'Jane' LITTLE LIME - panicle hydrangea Hydrangea paniculata 'Le Vasterival' FIRST EDITIONS GREAT STAR - panicle hydrangea Hydrangea paniculata 'Limelight' - panicle hydrangea Hydrangea paniculata 'Little Lamb' - panicle hydrangea Hydrangea paniculata 'Renhy' VANILLA STRAWBERRY - panicle hydrangea Hydrangea paniculata 'Rensun' STRAWBERRY - panicle hydrangea Hydrangea paniculata 'SMHPLQF' LITTLE QUICK FIRE - panicle hydrangea Hydrangea paniculata 'Tardiva' - panicle hydrangea Hydrangea paniculata 'White Moth' - panicle hydrangea Hydrangea 'Pretty Maiden' - hydrangea Hydrangea 'Preziosa' - hydrangea Hydrangea quercifolia - oakleaf hydrangea

Hydrangea quercifolia 'Alice' - oakleaf hydrangea Hydrangea quercifolia 'Amethyst' - oakleaf hydrangea Hydrangea quercifolia 'Brido' SNOW FLAKE - oakleaf hydrangea Hydrangea quercifolia 'Flemygea' SNOW QUEEN - oakleaf hydrangea Hydrangea quercifolia 'Little Honey' - oakleaf hydrangea Hydrangea quercifolia 'Pee Wee' - oakleaf hydrangea Hydrangea quercifolia 'Ruby Slippers' - oakleaf hydrangea Hydrangea quercifolia 'Sike's Dwarf' - oakleaf hydrangea Hydrangea quercifolia 'Vaughn's Lillie' - oakleaf hydrangea Hydrangea serrata - hydrangea Hydrangea serrata 'Golden Sunlight' - hydrangea Hydrastis canadensis - golden seal Hydrocleys nymphoides - water poppy Hydrocotyle vulgaris - pennywort Hylotelephium 'Blade Runner' - stonecrop Hylotelephium 'Carl' - stonecrop Hylotelephium 'Herbstfreude' AUTUMN JOY - stonecrop Hylotelephium 'Lajos' AUTUMN CHARM - stonecrop Hylotelephium spectabile 'Autumn Fire' - hylotelephium Hylotelephium spectabile 'Brilliant' - hylotelephium Hylotelephium spectabile 'Crystal Pink' - stonecrop Hylotelephium spectabile 'Indian Chief' - hylotelephium Hylotelephium spectabile 'Meteor' - showy stonecrop Hylotelephium spectabile 'Neon' - hylotelephium Hylotelephium spectabile 'Ruby Jewel' - hylotelephium Hylotelephium spectabile 'Stardust' - hylotelephium Hylotelephium 'Sunset Cloud' - stonecrop Hylotelephium telephium - stonecrop Hylotelephium telephium Atropurpureum Group 'Postman's Pride' - stonecrop Hylotelephium telephium 'Blackjack' - stonecrop Hylotelephium telephium 'Matrona' - stonecrop Hylotelephium telephium 'Mohrchen' - stonecrop Hylotelephium telephium 'Munstead Dark Red' - stonecrop Hylotelephium telephium 'Samuel Oliphant' - stonecrop Hylotelephium telephium subsp. ruprechtii 'Hab Gray' - stonecrop Hylotelephium 'Vera Jameson' - stonecrop Hymenocallis caroliniana - spider lily Hymenocallis × festalis - spider lily Hymenocallis × festalis 'Zwanenburg' - spider lily Hymenocallis latifolia - Cayman Islands spider-lily Hymenocallis liriosme - spider lily Hypericum androsaemum - tutsan Hypericum androsaemum 'Albury Purple' - tutsan Hypericum androsaemum 'Golden Tutsan' - tutsan Hypericum beanii - St. John's wort Hypericum calycinum - St. John's wort Hypericum calycinum 'Briggadoon' - St. John's wort Hypericum frondosum 'Sunburst' - St. John's wort Hypericum 'Hidcote' - St. John's wort

Hypericum kalmianum - Kalm's St. John's wort Hypericum kalmianum 'Ames' - Kalm's St. John's wort Hypericum kalmianum 'Deppe' SUNNY BOULEVARD - St. John's wort Hypericum kouytchense - large-flowered St. John's wort Hypericum × moserianum 'Tricolor' - St. John's wort Hypericum perforatum - St. John's wort Hypericum perforatum 'Topas' - St. John's wort Hypericum prolificum - shrubby St. John's wort Hypericum pyramidatum - great St. John's wort Hypoestes phyllostachya - polka dot plant officinalis - hyssop Iberis 'IB2401' ABSOLUTELY AMETHYST - candytuft Iberis sempervirens - candytuft Iberis sempervirens 'Alexander's White' - candytuft Iberis sempervirens 'Weisser Zwerg' - candytuft Ilex aquifolium - English holly Ilex aquifolium 'Aurea Marginata' - English holly Ilex × aquipernyi 'Meschick' DRAGON LADY - holly Ilex × attenuata - topal holly Ilex × attenuata 'Fosteri' - foster holly Ilex × attenuata 'Savannah' - topal holly Ilex 'Centennial Girl' - holly Ilex ciliospinosa - holly Ilex colchica - holly Ilex 'Conaf' OAKLEAF - holly Ilex cornuta - Chinese holly Ilex cornuta 'Delcon' - Chinese holly Ilex cornuta 'Dwarf Burford' - Chinese holly Ilex crenata - Japanese holly Ilex crenata 'Drops of Gold' - Japanese holly Ilex crenata 'Farrowone' SKY POINTER - Japanese holly Ilex crenata 'Geisha' - Japanese holly Ilex crenata 'Golden Gem' - Japanese holly Ilex crenata 'Helleri' - Japanese holly Ilex crenata 'Hetzii' - Japanese holly Ilex crenata 'Shiro-fukurin' - Japanese holly Ilex crenata 'Sky Pencil' - Japanese holly Ilex decidua - possumhaw Ilex decidua 'Council Fire' - possumhaw Ilex decidua 'Warren's Red' - possumhaw Ilex glabra - inkberry Ilex glabra 'Chamzin' NORDIC - nordic inkberry Ilex glabra 'Compacta' - inkberry Ilex glabra 'Shamrock' - inkberry Ilex 'Jersey Male' - dwarf holly Ilex × koehneana 'Loch Raven' - holly Ilex × koehneana 'San Jose' - koehne holly Ilex 'Mesdob' CHINA BOY - holly Ilex × meserveae BLUE PRINCE - blue holly

Ilex × meserveae BLUE PRINCESS - blue holly Ilex × meserveae 'Hackfee' CASTLE SPIRE - holly Ilex × meserveae 'Heckenstar' CASTLE WALL - holly Ilex 'Mesog' CHINA GIRL - holly Ilex 'Nellie R. Stevens' - holly Ilex opaca - American holly Ilex opaca 'Canary' - American holly Ilex opaca 'Chief Paduke' - American holly Ilex opaca 'Clarendon' - American holly Ilex opaca 'Delia Bradley' - American holly Ilex opaca 'Greenleaf' - American holly Ilex opaca 'Jersey Knight' - American holly Ilex opaca 'Mac's Prince' - American holly Ilex opaca 'Mae' - American holly Ilex opaca 'Mamie Eisenhower' - American holly Ilex opaca 'Maryland Dwarf' - American holly Ilex opaca 'McDonald' - American holly Ilex opaca 'Miss Helen' - American holly Ilex opaca 'Steward's Silver Crown' - American holly Ilex opaca 'W. M. Hawkins' - American holly Ilex opaca 'Waysides Christmas Tree' - holly Ilex opaca 'William Hawkins' - American holly Ilex pedunculosa - longstalk holly Ilex 'Rock Garden' - holly Ilex 'Sparkleberry' - winterberry Ilex verticillata - winterberry Ilex verticillata 'Afterglow' - winterberry Ilex verticillata 'Cacapon' - winterberry Ilex verticillata 'Jim Dandy' - winterberry Ilex verticillata 'Maryland Beauty' - winterberry Ilex verticillata 'Nana' RED SPRITE - winterberry Ilex verticillata 'Oosterwijk' - winterberry Ilex verticillata 'Shortcake' - winterberry Ilex verticillata 'Spriber' BERRY NICE - winterberry Ilex verticillata 'Winter Gold' - winterberry Ilex verticillata 'Winter Red' - winterberry Ilex vomitoria - yaupon Iliamna remota - Kankakee mallow Illicium floridanum - purple anise Illicium parviflorum - small anise tree Illicium parviflorum 'Florence' - small anise tree Impatiens balsamina - garden balsam Impatiens capensis - jewelweed Impatiens hawkeri group - New Guinea impatiens Impatiens hawkeri SUNPATIENS SERIES - New Guinea impatiens Impatiens omeiana - hardy impatiens Impatiens walleriana - impatiens Imperata cylindrica - cogon grass Imperata cylindrica 'Rubra' - Japanese blood grass

Incarvillea delavayi - incarvillea Incarvillea sinensis 'Cheron Pink' - incarvillea Indigofera amblyantha - Chinese indigo Indigofera decora - Chinese indigo Indigofera decora f. alba - Chinese indigo Indigofera kirilowii - indigo Indigofera 'Rose Carpet' - indigo Inula conyza - Ploughman's spikenard Inula helenium - elecampane Inula verbascifolia - inula Iodanthus pinnatifidus - purple rocket Ionactis linariifolia - stiff aster Ipheion uniflorum - spring starflower Ioea alba - moonflower Ioea aquatica - water spinach Ioea batatas - sweet potato vine Ioea mauritiana - morning glory Ioea purpurea - morning glory Ioea quamoclit - cypress vine Iopsis rubra - standing cypress Iresine herbstii - bloodleaf Iris 'America's Cup' - tall bearded iris Iris aucheri x bucharica - iris Iris 'Autumn Tryst' - tall bearded reblooming iris Iris 'Baby Sister' - Siberian iris Iris 'Beverly Sills' - tall bearded iris Iris 'Billionaire' - tall bearded reblooming iris Iris 'Bird Feeder' - Siberian iris Iris 'Blatant' - tall bearded reblooming iris Iris brevicaulis - zigzag iris Iris 'Buckwheat' - tall bearded reblooming iris Iris 'Butter and Sugar' - Siberian iris Iris 'Caesar's Brother' - Siberian iris Iris 'Caroline Gibbs' - tall bearded reblooming iris Iris 'Champagne Elegance' - tall bearded iris Iris 'Chilled Wine' - Siberian iris Iris 'City Lights' - tall bearded iris Iris 'Clarence' - tall bearded reblooming iris Iris cristata - dwarf crested iris Iris cristata 'Alba' - dwarf crested iris Iris cristata 'Powder Blue Giant' - dwarf crested iris Iris 'Dance Ballerina Dance' - Siberian iris Iris danfordiae - iris Iris 'Dewful' - Siberian iris Iris domestica - blackberry lily Iris domestica 'Hello Yellow' - leopard lily Iris Dutch Hybrid Group - iris Iris 'Eagles Flight' - tall bearded iris Iris 'Ego' - Siberian iris

Iris ensata - Japanese water iris Iris 'Eric the Red' - Siberian iris Iris 'Eye Of The Tiger' - standard dwarf bearded iris Iris 'Florentina' - tall bearded iris Iris foetidissima - stinking iris Iris 'Fourfold White' - Siberian iris Iris fulva - copper iris Iris fulva 'Lois Yellow' - copper iris Iris 'Garden Grace' - tall bearded reblooming iris Iris germanica - iris Iris graminea - iris Iris 'Gull's Wing' - Siberian iris Iris 'Halloween Halo' - tall bearded iris Iris 'Happy New Year' - tall bearded reblooming iris Iris 'Illini Charm' - Siberian iris Iris japonica - Japanese iris Iris 'Jennifer Rebecca' - tall bearded reblooming iris Iris 'Katharine Hodgkin' - iris Iris 'Lady Jean' - tall bearded reblooming iris Iris 'Lady of Quality' - Siberian iris Iris 'Lady Vanessa' - Siberian iris Iris 'Lavender Bounty' - Siberian iris Iris 'Lemon Duet' - tall bearded reblooming iris Iris maackii - iris Iris 'Midnight Fragrance' - tall bearded iris Iris 'Monty's Sweet Blue' - bearded iris Iris 'Northward Ho' - tall bearded reblooming iris Iris 'October' - tall bearded reblooming iris Iris 'Orville Fay' - Siberian iris Iris 'Overjoyed' - tall bearded iris Iris 'Pagan Goddess' - tall bearded reblooming iris Iris pallida - Dalmatian iris Iris pallida 'Variegata' - iris Iris 'Pink Haze' - Siberian iris Iris 'Pixie' - iris Iris 'Professor Neil' - iris Iris pseudacorus - yellow flag Iris pseudacorus 'Sun Cascade' - yellow flag Iris pseudacorus 'Variegata' - yellow flag Iris 'Pure As Gold' - tall bearded reblooming iris Iris 'Quiet Shape' - Siberian iris Iris reticulata - reticulated iris Iris reticulata 'Clairette' - iris Iris reticulata 'Gordon' - iris Iris reticulata 'Harmony' - iris Iris 'Rielle' - border bearded iris Iris 'Rill' - Siberian iris Iris × robusta 'Gerald Darby' - iris Iris 'Roney's Encore' - bearded iris

Iris 'Rosalie Figge' - tall bearded reblooming iris Iris 'Ruffled Velvet' - Siberian iris Iris 'Sable Night' - tall bearded iris Iris 'Sally Kerlin' - Siberian iris Iris 'September Replay' - bearded iris Iris 'Sky Wings' - Siberian iris Iris 'Sparkle' - Siberian iris Iris 'Spirit of Memphis' - tall bearded reblooming iris Iris spuria subsp. carthaliniae - iris Iris spuria subsp. halophila - species iris Iris 'St. Petersburg' - tall bearded reblooming iris Iris 'Steve Varner' - Siberian iris Iris tectorum - roof iris Iris versicolor - blue flag Iris versicolor 'Bridesmaid' - blue flag Iris versicolor 'Whodunit' - blue flag Iris virginica - southern blue flag Iris virginica 'Contraband Girl' - southern blue flag Iris virginica 'Purple Fan' - southern blue flag Iris virginica var. shrevei - southern blue flag Iris wattii - iris Iris 'White Swirl' - Siberian iris Iris '' - tall bearded reblooming iris Iris 'Winterland' - tall bearded reblooming iris Isopyrum biternatum - false rue anemone Isotoma axillaris - laurentia Itea japonica - Japanese sweetspire Itea japonica 'Beppu' - Japanese sweetspire Itea virginica - Virginia sweetspire Itea virginica 'Henry's Garnet' - Virginia sweetspire Itea virginica 'Saturnalia' - Virginia sweetspire Itea virginica 'Sprich' LITTLE HENRY - Virginia sweetspire Ixia maculata - ixia Ixora casei - flame of the Ixora coccinea - flame of the woods Jacaranda mimosifolia - green ebony tree - winter jasmine Jasminum officinale - common jasmine Jasminum sambac - Arabian jasmine Jatropha curcas - purging Jatropha multifida - coral plant Jeffersonia diphylla - twinleaf Juglans cinerea - butter nut Juglans nigra - black walnut Juglans regia - English walnut Juncus 'Blue Dart' - rush Juncus decipiens 'Curly-wurly' - rush Juncus dudleyi - Dudley's rush Juncus effusus - common rush

Juncus effusus f. spiralis - corkscrew rush Juncus effusus f. spiralis 'Blonde Ambition' - corkscrew rush Juncus effusus f. spiralis 'Unicorn' - corkscrew rush Juncus effusus 'Quartz Creek' - corkscrew rush Juncus inflexus - rush Juncus inflexus 'Afro' - hard rush Juncus inflexus BLUE MOHAWK - rush Juncus inflexus 'Lovesick Blues' - hard rush Juncus tenuis - rush Juniperus ashei - ashe juniper Juniperus chinensis - Chinese juniper Juniperus chinensis 'Blue Alps' - Chinese juniper Juniperus chinensis 'Blue Vase' - Chinese juniper Juniperus chinensis 'Daniel's Dwarf' - Chinese juniper Juniperus chinensis 'Expansa Aureospicata' - Chinese juniper Juniperus chinensis 'Fairview' - Chinese juniper Juniperus chinensis 'Hetzii Glauca' - Chinese juniper Juniperus chinensis 'Kaizuka' - Chinese juniper Juniperus chinensis 'Keteleeri' - Chinese juniper Juniperus chinensis 'Mac's Golden' - Chinese juniper Juniperus chinensis 'Perfecta' - Chinese juniper Juniperus chinensis 'Robusta Green' - Chinese juniper Juniperus chinensis 'San Jose' - Chinese juniper Juniperus chinensis 'Shimpaku' - Chinese juniper Juniperus chinensis '' - Chinese juniper Juniperus chinensis '' - Chinese juniper Juniperus chinensis var. sargentii - juniper Juniperus chinensis var. sargentii 'Glauca' - Sargent juniper Juniperus chinensis 'Variegated Kaizuka' - Chinese juniper Juniperus communis 'Blue Stripe' - common juniper Juniperus communis 'Compressa' - common juniper Juniperus communis 'Effusa' - common juniper Juniperus communis 'Gold Cone' - juniper Juniperus conferta - shore juniper Juniperus conferta 'Blue Pacific' - shore juniper Juniperus horizontalis - creeping juniper Juniperus horizontalis 'Bar Harbor' - creeping juniper Juniperus horizontalis 'Blue Chip' - creeping juniper Juniperus horizontalis 'Emerald Spreader' - creeping juniper Juniperus horizontalis 'Glomerata' - creeping juniper Juniperus horizontalis 'Grey Forest' - creeping juniper Juniperus horizontalis 'Limeglow' - creeping juniper Juniperus horizontalis 'Monber' ICEE BLUE - creeping juniper Juniperus horizontalis 'Mother Lode' - creeping juniper Juniperus horizontalis 'Pancake' - creeping juniper Juniperus horizontalis 'Plumosa' - creeping juniper Juniperus horizontalis 'Prince of ' - creeping juniper Juniperus horizontalis 'Wiltonii' - creeping juniper Juniperus horizontalis 'Youngstown' - creeping juniper

Juniperus × pfitzeriana 'Armstrongii' - juniper Juniperus × pfitzeriana 'Daub's Frosted' - juniper Juniperus × pfitzeriana 'Gold Coast' - juniper Juniperus × pfitzeriana 'Kallay's Compact' - juniper Juniperus × pfitzeriana 'Mint Julep' - Chinese juniper Juniperus × pfitzeriana 'Old Gold' - Chinese juniper Juniperus × pfitzeriana 'Saybrook Gold' - juniper Juniperus × pfitzeriana 'Sea Green' - Chinese juniper Juniperus procumbens - Japanese garden juniper Juniperus procumbens 'Green Mound' - Japanese garden juniper Juniperus procumbens 'Nana' - Japanese garden juniper Juniperus recurva var. coxii - coffin juniper Juniperus rigida - needle juniper Juniperus sabina - savin juniper Juniperus sabina 'Broadmoor' - savin juniper Juniperus sabina 'Mini Arcade' - savin Juniperus sabina 'Monard' MOOR-DENSE - savin juniper Juniperus sabina 'Skandia' - savin juniper Juniperus sabina 'Variegata' - savin juniper Juniperus scopulorum 'Wichita Blue' - Rocky Mountain juniper Juniperus squamata 'Blue Carpet' - singleseed juniper Juniperus squamata 'Blue Star' - singleseed juniper Juniperus squamata 'Holger' - singleseed juniper Juniperus squamata 'Meyeri' - singleseed juniper Juniperus virginiana - red cedar Juniperus virginiana 'Burkii' - red cedar Juniperus virginiana 'Canaertii' - red cedar Juniperus virginiana 'Grey Owl' - red cedar Juniperus virginiana 'Hetzii' - red cedar Juniperus virginiana 'Hillspire' - red cedar Juniperus virginiana 'Taylor' - red cedar Justicia brandegeana - shrimp plant Kalanchoe beharensis - velvet leaf kalanchoe Kalanchoe blossfeldiana - kalanchoe Kalimeris incisa 'Blue Star' - kalimeris Kalimeris incisa 'Edo Murasaki' - kalimeris Kalimeris mongolica - double Japanese aster Kalimeris pinnatifida 'Hortensis' - kalimeris Kalimeris yomena 'Aurea' - kalimeris Kalimeris yomena 'Shogun' - kalimeris Kalmia latifolia - mountain laurel Kalmia latifolia 'Bullseye' - mountain laurel Kalmia latifolia 'Elf' - mountain laurel Kalmia latifolia 'Minuet' - mountain laurel Kalmia latifolia 'Ostbo Red' - mountain laurel Kalmia latifolia 'Raspberry Glow' - mountain laurel Kalmia latifolia 'Sarah' - mountain laurel Kalopanax septemlobus - castor aralia Kerria japonica 'Albescens' - Japanese kerria

Kerria japonica 'Golden Guinea' - Japanese kerria Kerria japonica 'Picta' - Japanese kerria Kerria japonica 'Pleniflora' - Japanese kerria Kerria japonica 'Simplex' - Japanese kerria Kigelia africana - sausage tree Kirengeshoma koreana - kirengeshoma Kirengeshoma palmata - yellow wax bells Knautia macedonica - knautia Knautia macedonica 'Mars Midget' - knautia Knautia macedonica MELTON PASTELS - Macedonia scabious Knautia macedonica 'Thunder and Lightning' - knautia Kniphofia 'Border Ballet' - red-hot poker Kniphofia 'Bressingham Comet' - red-hot poker Kniphofia caulescens - red hot poker Kniphofia 'Cobra' - red-hot poker Kniphofia 'Elvira' - red hot poker Kniphofia 'Mango Popsicle' - red-hot poker Kniphofia 'Nancy's Red' - red-hot poker Kniphofia 'Peachy Cheeks' - red-hot poker Kniphofia 'Pineapple Popsicle' - red-hot poker Kniphofia 'Primrose Beauty' - red-hot poker Kniphofia 'Redhot Popsicle' - red-hot poker Kniphofia 'Royal Standard' - red-hot poker Kniphofia 'Shining Sceptre' - red-hot poker Kniphofia uvaria - red-hot poker Kniphofia uvaria 'Echo Mango' - red-hot poker Koeleria argentea - silver hairgrass Koeleria glauca - blue hair grass Koeleria macrantha - Prairie junegrass Koelreuteria paniculata - golden rain tree Koelreuteria paniculata 'September' - golden rain tree Koelreuteria paniculata 'Woodlanders Low Form' - golden rain tree Kolkwitzia amabilis - beauty bush Kolkwitzia amabilis 'Maradco' DREAM CATCHER - beauty bush Kolkwitzia amabilis 'Pink Cloud' - beautybush Kosteletzkya virginica - seashore mallow Lablab purpureus - hyacinth bean Laburnum alpinum - Scotch laburnum Laburnum anagyroides - common laburnum Laburnum × watereri - bean tree Laburnum × watereri 'Vossii' - bean tree Lactuca floridana - lettuce Lactuca sativa - lettuce Lactuca sativa 'Merlot' - lettuce Lagenaria siceraria - hardshell gourd Lagerstroemia 'Acoma' - crape myrtle Lagerstroemia 'Apalachee' - crape myrtle Lagerstroemia 'Bicolor' - crape myrtle Lagerstroemia 'Chickasaw' - crape myrtle

Lagerstroemia 'Choctaw' - crape myrtle Lagerstroemia 'Comanche' - crape myrtle Lagerstroemia 'Country Red' - crape myrtle Lagerstroemia 'Gamad V' DAZZLE ME PINK - crape myrtle Lagerstroemia indica - crape myrtle Lagerstroemia indica 'Baton Rouge' - crape myrtle Lagerstroemia indica 'Delta Blush' - crape myrtle Lagerstroemia indica 'Gamad I' RAZZLE DAZZLE CHERRY - crape myrtle Lagerstroemia indica 'Hopi' - crape myrtle Lagerstroemia indica 'Houston' - crape myrtle Lagerstroemia indica 'Monow' PETITE SNOW - crape myrtle Lagerstroemia indica 'Muskogee' - crape myrtle Lagerstroemia indica 'Near East' - crape myrtle Lagerstroemia indica 'Potomac' - crape myrtle Lagerstroemia indica 'Seminole' - crape myrtle Lagerstroemia indica 'Splash of Pink' - crape myrtle Lagerstroemia indica 'Tuscarora' - crape myrtle Lagerstroemia indica 'Velma's Royal Delight' - crape myrtle Lagerstroemia indica 'Victor' - crape myrtle Lagerstroemia indica 'Violet Filli' - crape myrtle Lagerstroemia indica 'Watermelon Red' - crape myrtle Lagerstroemia indica 'Whit I' RASPBERRY SUNDAE - crape myrtle Lagerstroemia indica 'Whit II' DYNAMITE - crape myrtle Lagerstroemia indica 'Whit III' PINK VELOUR - crape myrtle Lagerstroemia indica 'Whit VII' SIREN RED - crape myrtle Lagerstroemia indica 'Whit VIII' RHAPSODY IN PINK - crape myrtle Lagerstroemia indica 'Zuni' - crape myrtle Lagerstroemia 'JD818' EARLY BIRD LAVENDER - crape myrtle Lagerstroemia 'Lafayette' - crape myrtle Lagerstroemia 'Mardi Gras' - crape myrtle Lagerstroemia 'Natchez' - crape myrtle Lagerstroemia 'New Orleans' - crape myrtle Lagerstroemia 'Pixie White' - crape myrtle Lagerstroemia 'Pocomoke' - crape myrtle Lagerstroemia '' - crape myrtle Lagerstroemia 'Yuma' - crape myrtle Lamium galeobdolon - yellow archangel Lamium galeobdolon subsp. montanum 'Florentinum' - yellow archangel Lamium maculatum 'Beedham's White' - spotted deadnettle Lamium maculatum 'Cosmopolitan' - spotted deadnettle Lamium maculatum 'Dellam' GOLDEN ANNIVERSARY - spotted deadnettle Lamium maculatum 'Elisabeth de Haas' - spotted deadnettle Lamium maculatum 'Pink Chablis' - deadnettle Lamium maculatum 'Red Nancy' - spotted deadnettle Lamium maculatum 'White Nancy' - spotted deadnettle Lamprocapnos spectabilis - bleeding heart Lamprocapnos spectabilis 'Alba' - bleeding heart Lamprocapnos spectabilis 'Gold Heart' - bleeding heart Lamprocapnos spectabilis 'Hordival' VALENTINE - bleeding heart

Lantana camara - lantana Lantana camara Landmark Series - lantana Lantana montevidensis - trailing lantana Lantana trifolia - shrub verbena Larix decidua - European larch Larix gmelinii - dahurian larch Larix gmelinii var. olgensis - dahurian larch Larix gmelinii var. principis-rupprechtii - dahurian larch Larix kaempferi - Japanese larch Larix kaempferi 'Diana' - Japanese larch Larix laricina - tamarack Lathyrus latifolius - sweet pea Lathyrus odoratus - sweet pea Lathyrus vernus - spring vetch - bay laurel - English lavender Lavandula angustifolia 'Buena Vista' - English lavender Lavandula angustifolia 'Hidcote' - English lavender Lavandula angustifolia 'Hidcote Superior' - English lavender Lavandula angustifolia 'KERLAVANGEM' SWEET ROMANCE - English lavender Lavandula angustifolia 'Lavandula Schola' BLUE CUSHION - English lavender Lavandula angustifolia 'Lavang 21' VIOLET INTRIGUE - English lavender Lavandula angustifolia 'Munstead' - English lavender Lavandula angustifolia 'Potpourri Sky Blue' - English lavender Lavandula angustifolia 'Rosea' - English lavender Lavandula angustifolia 'Royal Velvet' - English lavender Lavandula angustifolia 'Sharon Roberts' - English lavender Lavandula angustifolia 'SuperBlue' - English lavender Lavandula angustifolia 'Twickel Purple' - English lavender Lavandula × intermedia 'Alba' - lavandin Lavandula × intermedia Dutch Group - lavandin Lavandula × intermedia 'Grosso' - lavandin Lavandula × intermedia 'Provence' - lavandin Lavandula × intermedia 'Seal' - lavandin Lavandula multifida - French lace Lavandula 'Silver Frost' - lavender Lavatera arborea - tree mallow Lavatera trimestris - tree mallow Leea guineensis - leea Leitneria floridana - corkwood Lemna minor - common duckweed Leonotis leonurus - lion's ear Leontopodium alpinum - edelweiss Leptinella squalida - brass buttons Leptinella squalida 'Platt's Black' - brass buttons Leptodermis oblonga - leptodermis Leptospermum scoparium - tea tree Lespedeza bicolor - bush clover Lespedeza bicolor 'Little Buddy' - bush clover

Lespedeza bicolor 'Yakushima' - bush clover Lespedeza capitata - bush clover Lespedeza japonica - bush clover Lespedeza thunbergii - bush clover Lespedeza thunbergii 'Gibraltar' - bush clover Lespedeza thunbergii 'Pink Cascade' - bush clover Lespedeza thunbergii subsp. thunbergii 'Little Volcano' - little volcano bush clover Lespedeza thunbergii 'White Fountain' - bush clover Leucanthemella serotina - leucanthemella Leucanthemum 'Bridal Bouquet' - shasta daisy Leucanthemum 'Daisy Duke' DAISY MAY - shasta daisy Leucanthemum maximum 'Leumayel' BROADWAY LIGHTS - shasta daisy Leucanthemum × superbum - shasta daisy Leucanthemum × superbum 'Aglaia' - shasta daisy Leucanthemum × superbum 'Alaska' - shasta daisy Leucanthemum × superbum 'Amelia' - shasta daisy Leucanthemum × superbum BANANA CREAM - shasta daisy Leucanthemum × superbum 'Beaute Nivelloise' - shasta daisy Leucanthemum × superbum 'Becky' - shasta daisy Leucanthemum × superbum 'Brightside' - shasta daisy Leucanthemum × superbum 'Crazy Daisy' - shasta daisy Leucanthemum × superbum 'Fiona Coghill' - shasta daisy Leucanthemum × superbum 'Highland White Dream' - shasta daisy Leucanthemum × superbum 'Leukal 01' GOLDRAUSCH - shasta daisy Leucanthemum × superbum 'Northern Lights' - shasta daisy Leucanthemum × superbum 'Polaris' - shasta daisy Leucanthemum × superbum 'Silberprinzesschen' LITTLE PRINCESS - shasta daisy Leucanthemum × superbum 'Snow Lady' - shasta daisy Leucanthemum × superbum 'Snowcap' - shasta daisy Leucanthemum × superbum 'Sonnenschein' - shasta daisy Leucanthemum × superbum 'Starburst' - shasta daisy Leucanthemum × superbum 'Summer Snowball' - shasta daisy Leucanthemum × superbum 'Sunny Side Up' - shasta daisy Leucanthemum × superbum 'Switzerland' - shasta daisy Leucanthemum × superbum 'Tinkerbelle' - shasta daisy Leucanthemum × superbum 'Victorian Secret' - shasta daisy Leucanthemum × superbum 'White Knight' - shasta daisy Leucanthemum × superbum 'Wirral Pride' - shasta daisy Leucanthemum vulgare 'Maikonigin' MAY QUEEN - ox-eye daisy Leucojum aestivum - summer snowflake Leucojum aestivum 'Gravetye Giant' - summer snowflake Leucophyllum frutescens - barometer bush Leucothoe axillaris - leucothoe Leucothoe fontanesiana - drooping laurel Leucothoe fontanesiana 'Zeblid' SCARLETTA - drooping laurel Leucothoe racemosa - fetter bush Levisticum officinale - Liatris aspera - blazing star Liatris cylindracea - blazing star

Liatris ligulistylis - blazing star Liatris ligulistylis 'Monarch' - button snake root Liatris microcephala - button snake root Liatris pycnostachya - prairie blazing star Liatris scariosa - blazing star Liatris spicata - blazing star Liatris spicata 'Kobold' - blazing star Liatris spicata 'Kobold Original' - blazing star Ligularia 'Bottle Rocket' - leopard plant Ligularia 'Britt Marie Crawford' - leopard plant Ligularia dentata - leopard plant Ligularia dentata 'Desdemona' - leopard plant Ligularia dentata 'Othello' - leopard plant Ligularia 'Osiris Fantaisie' - leopard plant Ligularia przewalskii - leopard plant Ligularia 'The Rocket' - leopard plant Ligustrum amurense - privet Ligustrum × ibolium - privet Ligustrum japonicum - Japanese privet Ligustrum japonicum 'Rotundifolium' - Japanese privet Ligustrum lucidum - Chinese privet Ligustrum obtusifolium - privet Ligustrum ovalifolium - privet Ligustrum 'Vicaryi' - golden privet Ligustrum vulgare - common privet African Queen Group - trumpet lily Lilium 'Algarve' - longiflorum-Asiatic lily Lilium 'American Classic Hybrids' - trumpet lily Lilium 'American Dream' - orienpet lily Lilium 'American Heritage' - orienpet lily Lilium 'American Sensation' - orienpet lily Lilium 'American Spirit' - orienpet lily Lilium 'American Way' - orienpet lily Lilium 'Amethyst Temple' - trumpet lily Lilium auratum - golden-rayed lily Lilium 'Barbaresco' - lily Lilium 'Black Beauty' - oriental lily Lilium 'Black Out' - Asiatic lily Lilium 'Brunello' - Asiatic lily Lilium 'Casa Blanca' - oriental lily Lilium 'Commander In Chief' - Asiatic lily Lilium 'Connecticut King' - Asiatic lily Lilium 'Dolce Vita' - oriental lily Lilium 'Dolly Madison' - Asiatic lily Lilium 'Dot Com' - Asiatic lily Lilium 'Dreamland' - Asiatic lily Lilium 'Embarrassment' - lily Lilium 'Emerald Temple' - lily Lilium 'Enchantment' - Asiatic lily

Lilium 'Fata Morgana' - Asiatic lily Lilium 'First Lady' - Asiatic lily Lilium 'Forever Susan' - Asiatic lily Lilium formosanum - formosan lily Lilium Golden Splendor Group - trumpet lily Lilium 'Golden Sunburst' - trumpet lily Lilium 'Grand Cru' - Asiatic lily Lilium group - lily Lilium 'Gypsy' - Asiatic lily Lilium henryi - trumpet lily Lilium 'Holean' AMERICA - Asiatic lily Lilium 'Hotlips' - lily Lilium 'Kiss Proof' - oriental lily Lilium 'Lemon Pixie' - Asiatic lily Lilium longiflorum - trumpet lily Lilium longiflorum 'White Heaven' - trumpet lily Lilium 'Magento' - Asiatic lily Lilium '' - Asiatic lily Lilium 'Marissa' - lily Lilium michiganense - lily Lilium 'Miss Lucy' - oriental lily Lilium 'Miss Rio' - oriental lily Lilium 'Muscadet' - oriental lily Lilium 'Nandina' - lily Lilium 'Orange Tycoon' - longiflorum-Asiatic lily Lilium ORANIA - orienpet lily Lilium 'Paramount' - oriental lily Lilium 'Pink Heaven' - oriental lily Lilium Pink Perfection Group - trumpet lily Lilium pumilum - coral lily Lilium regale - regal lily Lilium regale 'Album' - trumpet lily Lilium 'Renoir' - Asiatic lily Lilium 'Royal Sunset' - longiflorum-Asiatic lily Lilium 'Scheherazade' - orienpet lily Lilium 'Silk Road' - lily Lilium 'Sterling Star' - Asiatic lily Lilium 'Sunset' - lily Lilium superbum - Turkscap lily Lilium 'Thunderbolt' - trumpet lily Lilium 'Touching' - orienpet lily Lilium 'Vermeer' - Asiatic lily Lilium 'White Tycoon' - longiflorum-Asiatic lily Lilium 'Windsong' - Asiatic lily Lilium 'Zanlophator' TRIUMPHATOR - longiflorum-trumpet lily Limonium platyphyllum - sea lavender Limonium sinuatum - statice Linaria maroccana - toadflax Linaria purpurea - toadflax

Linaria reticulata - purple-net toadflax Lindera angustifolia - Oriental spicebush Lindera benzoin - spice bush Lindera triloba - lindera Linum perenne - perennial flax Liquidambar acalycina - sweet gum Liquidambar formosana - formosan gum Liquidambar orientalis - sweet gum Liquidambar styraciflua - sweet gum Liquidambar styraciflua 'Hapdell' HAPPIDAZE - sweet gum Liquidambar styraciflua 'Rotundiloba' - sweet gum Liriodendron chinense - Chinese tulip tree Liriodendron tulipifera - tulip tree Liriodendron tulipifera 'Aureo-marginatum' MAJESTIC BEAUTY - tulip tree Liriope muscari - lily turf Liriope muscari 'Big Blue' - lily turf Liriope muscari 'Majestic' - lily turf Liriope muscari 'Okina' - lily turf Liriope muscari 'Royal Purple' - lily turf Liriope muscari 'Tidwell's Big Blue' - lily turf Liriope muscari 'Variegata' - lily turf Liriope spicata - lily turf Liriope spicata 'Gin-ryu' SILVER DRAGON - lily turf Litchi chinensis - lychee Lobelia cardinalis - cardinal flower Lobelia cardinalis 'Fried Green Tomatoes' - cardinal flower Lobelia cardinalis 'Queen Victoria' - cardinal flower Lobelia chinensis - Chinese creeping lobelia Lobelia 'Cotton Candy' - cardinal flower Lobelia erinus - lobelia Lobelia 'La Fresco' - lobelia Lobelia 'Purple Towers' - lobelia Lobelia 'Rose Beacon' - lobelia Lobelia 'Ruby Slippers' - lobelia Lobelia siphilitica - blue cardinal flower Lobelia siphilitica 'Lilac Candles' - great blue cardinal flower Lobelia 'Sparkle DeVine' - lobelia Lobelia × speciosa - lobelia Lobelia × speciosa 'Compliment Deep Pink' - lobelia Lobelia × speciosa STARSHIP SCARLET - lobelia Lobelia × speciosa 'Wildwood Splendor' - lobelia Lobelia 'Tania' - lobelia Lobularia 'Inlbusnopr' SNOW PRINCESS - sweet alyssum Lobularia maritima - sweet alyssum Lobularia maritima 'Snow Crystals' - sweet alyssum Lolium perenne 'Manhattan' - English ryegrass Lonicera caerulea 'Kiev #8' BLUE VELVET - honeyberry Lonicera caerulea 'Magadan' BLUE FOREST - honeyberry Lonicera flava - honeysuckle

Lonicera fragrantissima - fragrant honeysuckle Lonicera × heckrottii - goldflame honeysuckle Lonicera × heckrottii 'Gold Flame' - honeysuckle Lonicera involucrata - twinberry Lonicera × italica 'Sherlite' HARLEQUIN - honeysuckle Lonicera japonica 'Aureoreticulata' - Japanese honeysuckle Lonicera japonica 'Halliana' - Japanese honeysuckle Lonicera kamtschatica - honeyberry Lonicera maackii - Amur honeysuckle Lonicera morrowii - morrow honeysuckle Lonicera nitida - honeysuckle Lonicera nitida 'Twiggy' - honeysuckle Lonicera periclymenum 'Serotina' - woodbine Lonicera pileata 'Moss Green' - privet honeysuckle Lonicera sempervirens - trumpet honeysuckle Lonicera sempervirens 'Alabama Crimson' - trumpet honeysuckle Lonicera sempervirens 'Blanche Sandman' - trumpet honeysuckle Lonicera sempervirens 'Cedar Lane' - trumpet honeysuckle Lonicera sempervirens f. sulphurea 'John Clayton' - trumpet honeysuckle Lonicera standishii - fragrant honeysuckle Lonicera tatarica 'Alba' - tatarian honeysuckle Lonicera xylosteum 'Emerald Mound' - fly honeysuckle Loropetalum chinense - Chinese fringe flower Loropetalum chinense f. rubrum 'Razzle-Dazzle' - Chinese fringe-flower Loropetalum chinense 'Pizazz' - Chinese fringe-flower Loropetalum chinense 'Rubrum' - Chinese fringe-flower Lotus berthelotii - parrot's beak Ludisia group - jewel orchid Ludwigia alternifolia - seedbox Ludwigia sedoides - mosaic plant Lunaria annua - silver dollar Lunaria rediviva - perennial honesty Lupinus × hybrida - lupine Lupinus 'The Governor' - lupine Lychnis × arkwrightii 'Orange Zwerg' ORANGE DWARF - catchfly Lychnis coronaria - catchfly Lychnis coronaria 'Blych' GARDENERS' WORLD - rose campion Lychnis fulgens - catchfly Lychnis viscaria - German catchfly Lychnis viscaria 'Splendens Plena' - catchfly Lycium chinense - Chinese matrimony vine Lycopersicon esculentum - tomato Lycopersicon esculentum 'Big Beef' - tomato Lycopersicon esculentum 'Pink Girl' - tomato Lycoris radiata - spider lily Lycoris sanguinea - lycoris Lycoris sprengeri - lycoris Lycoris squamigera - Resurrection lily Lyonia lucida - fetter bush

Lyonia ovalifolia var. elliptica - nejiki zoku Lysichiton camtschatcensis - skunk cabbage Lysimachia atropurpurea 'Beaujolais' - loosestrife Lysimachia clethroides - gooseneck loosestrife Lysimachia congestiflora - creeping Jenny Lysimachia congestiflora 'Eco Dark Satin' - creeping Jenny Lysimachia japonica var. minutissima - loosestrife Lysimachia 'L9902' SNOW CANDLES - loosestrife Lysimachia nummularia 'Aurea' - creeping Jenny Lysimachia nummularia 'Goldilocks' - creeping Jenny Lysimachia punctata - loosestrife Lysimachia punctata 'Alexander' - loosestrife Lysimachia vulgaris - yellow loosestrife Lythrum salicaria - purple loosestrife Maackia amurensis - maackia Maackia chinensis - maackia Macadamia integrifolia - macadamia nut Macleaya cordata - plume poppy Maclura ifera - osage orange Magnolia acuminata - cucumber tree Magnolia 'Ann' - magnolia Magnolia 'Betty' - magnolia Magnolia × brooklynensis 'Woodsman' - magnolia Magnolia × brooklynensis 'Yellow Bird' - magnolia Magnolia 'Butterflies' - magnolia Magnolia 'Charles Coates' - magnolia Magnolia cylindrica - cylindrical magnolia Magnolia 'Daybreak' - magnolia Magnolia denudata - yulan Magnolia 'Elizabeth' - magnolia Magnolia figo - banana shrub Magnolia garrettii - magnolia Magnolia 'George Henry Kern' - magnolia Magnolia grandiflora - southern magnolia Magnolia grandiflora 'Bracken's Brown Beauty' - southern magnolia Magnolia grandiflora 'Edith Bogue' - large-flowered magnolia Magnolia grandiflora 'Little Gem' - large-flowered magnolia Magnolia 'Jane' - magnolia Magnolia 'Judy Zuk' - magnolia Magnolia kobus - kobus magnolia Magnolia 'Legacy' - kobus magnolia Magnolia lilliflora 'Nigra' - mu-lan Magnolia × loebneri - magnolia Magnolia × loebneri 'Ballerina' - magnolia Magnolia × loebneri 'Merrill' - magnolia Magnolia × loebneri 'Spring Joy' - magnolia Magnolia macrophylla - large-leaved cucumber tree Magnolia 'Marillyn' - magnolia Magnolia 'Randy' - magnolia

Magnolia 'Ricki' - magnolia Magnolia sieboldii - oyama magnolia Magnolia 'Solar Flair' - magnolia Magnolia × soulangeana - saucer magnolia Magnolia × soulangeana 'Alexandrina' - saucer magnolia Magnolia × soulangeana 'Lennei' - saucer magnolia Magnolia stellata - star magnolia Magnolia stellata 'Royal Star' - star magnolia Magnolia stellata 'Waterlily' - star magnolia Magnolia 'Susan' - magnolia Magnolia tripetala - umbrella tree Magnolia virginiana - sweet bay magnolia Magnolia virginiana 'Jim Wilson' MOONGLOW - sweet bay magnolia Magnolia virginiana var. australis - swamp magnolia Magnolia wilsonii - magnolia Magnolia 'Yellow Fever' - magnolia Magnolia 'Yellow Lantern' - magnolia Mahonia aquifolium - Oregon grape-holly Mahonia japonica - Oregon grape-holly Mahonia repens - creeping mahonia Mahonia trifoliolata - mahonia Maianthemum bifolium - false lily of the valley - false spikenard Maianthemum stellatum - false Solomon's seal Malpighia coccigera - Singapore holly 'Adams' - flowering crabapple Malus 'Amberina' - flowering crabapple Malus 'Amerspirzam' AMERICAN SPIRIT - crabapple Malus 'Beverly' - flowering crabapple Malus '' - semi-dwarf apple Malus 'Branzam' BRANDYWINE - flowering crabapple Malus 'Callaway' - crabapple Malus 'Camzam' CAMELOT - flowering crabapple Malus 'Cardinal' - crabapple Malus 'Centzam' CENTURION - flowering crabapple Malus 'Donald Wyman' - flowering crabapple Malus 'Ellen Gerhart' - flowering crabapple Malus '' - semi-dwarf apple Malus floribunda - Japanese crabapple Malus 'Fozam' FOX FIRE - crabapple Malus '' - apple tree Malus 'Henry Kohankie' - flowering crabapple Malus 'Hozam' HOLIDAY GOLD - flowering crabapple Malus 'Indian Magic' - flowering crabapple Malus 'Indian Summer' - flowering crabapple Malus 'Inglis' WHITE ANGEL - flowering crabapple Malus 'Jewelberry' - flowering crabapple Malus 'JFS-KW5' ROYAL RAINDROPS - flowering crabapple Malus 'Jonafree' - semi-dwarf apple

Malus '' - semi-dwarf apple Malus 'Katherine' - flowering crabapple Malus 'Leprechaun' - flowering crabapple Malus 'Liberty' - dwarf apple Malus 'Louisa' - flowering crabapple Malus 'Manbeck Weeper' - flowering crabapple Malus manshurica - flowering crabapple Malus 'Mary Potter' - apple Malus MAYPOLE - columnar apple Malus × moerlandsii 'Profusion' - flowering crabapple Malus 'Mullins' STARK - standard apple Malus 'Pink Princess' - flowering crabapple Malus 'Prairifire' - flowering crabapple Malus pumila 'Caitlin' STARK GRANDGALA - apple tree Malus pumila 'Campbell Spur' STARKRIMSON - dwarf apple Malus pumila 'Co-op 30' - semi-dwarf apple Malus pumila 'Co-op 38' GOLDRUSH - apple Malus pumila 'Dewar' STARKSPUR ULTRA MAC - dwarf apple Malus pumila 'Griffith' STARK BLUSHING GOLDEN - dwarf apple Malus pumila 'Hawaii' - apple Malus pumila '' - semi-dwarf apple Malus pumila 'Lonacre' STARKSPUR - dwarf apple Malus pumila 'MN#1711' - dwarf apple Malus pumila 'Nagafu 6' RED - apple Malus pumila 'Obelisk' STARK CRIMSON SPIRE - columnar apple Malus pumila 'Taylor' STARKSPUR RED ROME BEAUTY - apple Malus pumila 'Tenroy' STARK ROYAL - standard apple Malus pumila 'Thornton' STARKSPUR WINESAP - dwarf apple Malus pumila 'Trajan' STARK SCARLET SPIRE - columnar apple Malus pumila 'Tuscan' STARK EMERALD SPIRE - columnar apple Malus 'Purple Prince' - flowering crabapple Malus 'Radiant' - flowering crabapple Malus 'Ralph Shay' - flowering crabapple Malus 'Redfree' - dwarf apple Malus 'Robinson' - flowering crabapple Malus 'Ruth Ann' - flowering crabapple Malus sargentii - Sargent crabapple Malus sargentii 'Candymint' - Sargent crabapple Malus sargentii 'Tina' - Sargent crabapple Malus 'Scbrazam' SCARLET BRANDYWINE - flowering crabapple Malus × scheideckeri 'Red Jade' - weeping crabapple Malus 'Snowdrift' - flowering crabapple Malus 'Spring Snow' - crabapple Malus 'Sutyzam' SUGAR TYME - flowering crabapple Malus 'Sweet Sixteen' - apple Malus 'Weepcanzam' CANDIED APPLE - flowering crabapple Malus 'Winter Gold' - flowering crabapple Malus × zumi var. calocarpa - redbud crabapple Malva alcea var. fastigiata - mallow

Malva moschata - musk mallow Malva moschata f. alba - musk mallow Malva sylvestris - high mallow Malva sylvestris 'Dema' MARINA - high mallow Mandevilla × amabilis - mandevilla Mandevilla boliviensis - white dipladenia Mandevilla 'Red Velvet' - mandevilla Manfreda virginica - false aloe Manihot esculenta - cassava Manihot esculenta 'Variegata' - bitter cassava Manilkara zapota - chicle Maranta leuconeura - prayer plant Marshallia caespitosa - Barbara's buttons Marshallia grandiflora - Barbara's buttons Marsilea quadrifolia - water clover Matelea decipiens - climbing milkweed Matelea gonocarpa - milkweed Matricaria recutita - German chamomile Matteuccia struthiopteris - ostrich fern Matteuccia struthiopteris 'Jumbo' - ostrich fern Matteuccia struthiopteris 'The King' - ostrich fern Matthiola incana - brompton stock Mazus reptans - mazus Mecardonia 'USMECA67' GOLDFLAKE - axilflower Meconopsis grandis - Asiatic poppy Meconopsis 'Lingholm' - poppy Medeola virginiana - Indian cucumber root Medinilla magnifica - pink lantern Meehania cordata - Meehan's mint Megaskepasma erythrochlamys - Brazilian red cloak Melaleuca quinquenervia - river tea tree Melampodium divaricatum - melampodium Melampodium divaricatum 'Derby' - melampodium Melica uniflora - wood melick Melinis nerviglumis 'Pink Crystals' - ruby grass Melissa officinalis - Menispermum canadense - common moonseed MARGARITA - mint Mentha × piperita - Mentha × piperita f. citrata - lemon mint Mentha × piperita f. citrata 'Chocolate' - chocolate mint Mentha requienii - Corsican mint Mentha spicata 'Kentucky Colonel' - spearmint Mentha suaveolens - apple mint Menyanthes trifoliata - bog bean Mertensia virginica - Virginia bluebells canescens - Stern's medlar Mespilus germanica - medlar Metasequoia glyptostroboides - dawn redwood

Metasequoia glyptostroboides 'Gold Rush' - dawn redwood Metasequoia glyptostroboides 'Raven' SHAW'S LEGACY - dawn redwood Michelia compressa - michelia Microbiota decussata - Russian arbor-vitae Microsorum musifolium - microsorum Mimulus alatus - winged monkey flower Mimulus ringens - Allegheny monkey flower Mirabilis jalapa - marvel of Peru Miscanthus floridulus - miscanthus Miscanthus oligostachyus - miscanthus Miscanthus 'Purpurascens' - eulalia Miscanthus sinensis 'Adagio' - eulalia Miscanthus sinensis 'Autumn Light' - eulalia Miscanthus sinensis 'Dixieland' - eulalia Miscanthus sinensis 'Gold Bar' - eulalia Miscanthus sinensis 'Gracillimus' - eulalia Miscanthus sinensis 'Graziella' - eulalia Miscanthus sinensis 'Kirk Alexander' - eulalia Miscanthus sinensis 'Little Kitten' - eulalia Miscanthus sinensis 'Little Zebra' - eulalia Miscanthus sinensis 'Morning Light' - eulalia Miscanthus sinensis 'Nippon' - eulalia Miscanthus sinensis 'November Sunset' - eulalia Miscanthus sinensis 'Pünktchen' - eulalia Miscanthus sinensis 'Rigoletto' - eulalia Miscanthus sinensis 'Sarabande' - eulalia Miscanthus sinensis 'Silberspinne' SILVER SPIDER - eulalia Miscanthus sinensis 'Strictus' - eulalia Miscanthus sinensis var. condensatus 'Cabaret' - eulalia Miscanthus sinensis 'Variegatus' - eulalia Miscanthus sinensis 'Yaku Jima' - eulalia Miscanthus sinensis 'Zebrinus' - zebra grass Mitchella repens - partridge berry Molinia caerulea subsp. arundinacea 'Skyracer' - purple moor grass Molinia caerulea subsp. caerulea 'Variegata' - purple moor grass Moluccella laevis - bells of Monarda 'Blaustrumpf' BLUE STOCKING - bee balm Monarda bradburiana - eastern beebalm Monarda citriodora - lemon mint Monarda didyma - bee balm Monarda didyma 'Pardon My Pink' - bee balm Monarda didyma 'Pardon My Purple' - bee balm Monarda didyma 'T & M Superb Mixed' - bee balm Monarda 'Fireball' - wild bergamot Monarda fistulosa - wild bergamot Monarda 'Gardenview Scarlet' - bee balm Monarda 'Mahogany' - bee balm Monarda 'Petite Delight' - wild bergamot Monarda 'Petite Red Supreme' - wild bergamot

Monarda 'Petite Wonder' - wild bergamot Monarda 'Pink Supreme' - wild bergamot Monarda punctata - dotted beebalm Monarda punctata 'Fantasy' - dotted beebalm Monstera deliciosa - split-leaf philodendron Morinda citrifolia - Indian mulberry Morus alba - white mulberry Morus alba 'Chaparral' - white mulberry Morus alba 'Pendula' - white mulberry Morus alba 'Unryu' - white mulberry Morus rubra - red mulberry Muhlenbergia capillaris - pink muhlygrass Muhlenbergia reverchonii 'Autumn Embers' - muhly grass Muhlenbergia rigens - deergrass Mukdenia rossii - mukdenia Mukdenia rossii 'Karasuba' CRIMSON FANS - mukdenia Murraya koenigii - curry leaf Murraya paniculata - orange jessamine acuminata - banana 'Zebrina' - Musa basjoo - Japanese banana Musa 'Orinoco' - banana Musa ornata - flowering banana Musa × paradisiaca - edible banana Muscari armeniacum - grape hyacinth Muscari armeniacum 'Valerie Finnis' - grape hyacinth Muscari azureum - grape hyacinth Muscari comosum 'Plumosum' - tassell hyacinth Muscari latifolium - grape hyacinth Muscari macrocarpum 'Golden Fragrance' - grape hyacinth Musella lasiocarpa - banana Mussaenda group - paper-rose Myosotis scorpioides - true forget-me-not Myosotis scorpioides 'Semperflorens' - forget-me-not Myosotis sylvatica - forget-me-not Myosotis sylvatica 'Victoria Blue' - forget-me-not Myrciaria cauliflora - jaboticaba Myrica pensylvanica - bayberry Myrica pensylvanica 'Morton' - bayberry Myriophyllum aquaticum - diamond milfoil Myrtus communis - myrtle Nageia nagi - negeia Nandina domestica - heavenly bamboo Nandina domestica 'Aka' BLUSH PINK - heavenly bamboo Nandina domestica 'Fire Power' - heavenly bamboo Nandina domestica 'Harbour Dwarf' - heavenly bamboo Nandina domestica 'Monum' PLUM PASSION - heavenly bamboo Nandina domestica 'Moon Bay' - heavenly bamboo Nandina domestica 'Pygmaea' - heavenly bamboo

Nandina domestica 'Tuscan Flame' - heavenly bamboo Napaea dioica - glade mallow Narcissus 'Actaea' - poeticus daffodil Narcissus 'After All' - small-cupped daffodil Narcissus 'Ambergate' - large-cupped daffodil Narcissus 'American Lakes' - large-cupped daffodil Narcissus 'Ara' - cyclamineus daffodil Narcissus 'Aunt Betty' - trumpet daffodil Narcissus 'Bantam' - large-cupped daffodil Narcissus 'Billy Graham' - large-cupped daffodil Narcissus 'Bittern' - miscellaneous daffodil Narcissus 'Bravoure' - trumpet daffodil Narcissus 'Brer Fox' - trumpet daffodil Narcissus 'Brindabella' - double daffodil Narcissus 'Carlton' - large-cupped daffodil Narcissus 'Carrickbeg' - trumpet daffodil Narcissus 'Cassata' - split-corona daffodil Narcissus 'Ceylon' - large-cupped daffodil Narcissus 'Cheerfulness' - double daffodil Narcissus 'Chit Chat' - jonquilla daffodil Narcissus 'Chromacolor' - large-cupped daffodil Narcissus 'Colorama' - split-corona daffodil Narcissus 'Copper Coin' - small-cupped daffodil Narcissus 'Daydream' - large-cupped daffodil Narcissus 'Delnashaugh' - double daffodil Narcissus 'Easter Bonnet' - large-cupped daffodil Narcissus 'Easter Morn' - large-cupped daffodil Narcissus 'Elizabeth Ann' - cyclamineus daffodil Narcissus 'Erlicheer' - double daffodil Narcissus 'Euphonic Grace' - large-cupped daffodil Narcissus 'February Gold' - cyclamineus daffodil Narcissus 'Fortissimo' - large-cupped daffodil Narcissus 'Fruit Cup' - jonquilla daffodil Narcissus 'Gay Song' - double daffodil Narcissus 'General Patton' - trumpet daffodil Narcissus 'Gin and Lime' - trumpet daffodil Narcissus 'Golden Quince' - miscellaneous daffodil Narcissus 'Green Pearl' - small-cupped daffodil Narcissus group - daffodil Narcissus 'Hawera' - triandrus daffodil Narcissus 'Ice Follies' - large-cupped daffodil Narcissus 'Ice Wings' - triandrus daffodil Narcissus 'Icelandic Pink' - large-cupped daffodil Narcissus 'Intrigue' - jonquilla daffodil Narcissus 'Itzim' - cyclamineus daffodil Narcissus 'Jack Snipe' - cyclamineus daffodil Narcissus 'Jenny' - cyclamineus daffodil Narcissus 'Jetfire' - cyclamineus daffodil Narcissus 'Juanita' - large-cupped daffodil

Narcissus 'Kaydee' - cyclamineus daffodil Narcissus 'King Alfred' - trumpet daffodil Narcissus 'La Belle' - jonquilla daffodil Narcissus 'Lemon Beauty' - split-corona daffodil Narcissus 'Lemon Drops' - triandrus daffodil Narcissus 'Little Gem' - trumpet daffodil Narcissus 'Little Princess' - cyclamineus daffodil Narcissus 'Loch Hope' - large-cupped daffodil Narcissus 'Love Call' - split-corona daffodil Narcissus 'Lugano' - trumpet daffodil Narcissus 'Manon Lescaut' - large-cupped daffodil Narcissus 'Mary Gay Lirette' - split-cupped daffodil Narcissus 'Meeting' - double daffodil Narcissus 'Minnow' - tazetta daffodil Narcissus 'Mondragon' - split-corona daffodil Narcissus 'Mount Hood' - trumpet daffodil Narcissus 'Passionale' - large-cupped daffodil Narcissus 'Peeping Tom' - cyclamineus daffodil Narcissus 'Petit Four' - double daffodil Narcissus 'Petrel' - triandrus daffodil Narcissus 'Phantom' - split-corona daffodil Narcissus 'Pink Angel' - jonquilla daffodil Narcissus 'Pink Charm' - large-cupped daffodil Narcissus 'Pipit' - jonquilla daffodil Narcissus poeticus var. recurvus - species daffodil Narcissus 'Polbathic' - large-cupped daffodil Narcissus 'Pops Legacy' - trumpet daffodil Narcissus 'Premiere' - large-cupped daffodil Narcissus 'Professor Einstein' - large-cupped daffodil Narcissus 'Punchline' - jonquilla daffodil Narcissus 'Quail' - jonquilla daffodil Narcissus 'Rapture' - cyclamineus daffodil Narcissus 'Red Aria' - large-cupped daffodil Narcissus 'Ring of Fire' - large-cupped daffodil Narcissus 'Rose of May' - double daffodil Narcissus 'Rosy Wonder' - large-cupped daffodil Narcissus 'Slim Whitman' - large-cupped daffodil Narcissus 'Sonar' - large-cupped daffodil Narcissus 'Southern Hospitality' - double daffodil Narcissus 'Spellbinder' - trumpet daffodil Narcissus 'Sportsman' - large-cupped daffodil Narcissus 'Stony Brook' - cyclamineus daffodil Narcissus 'Straight Arrow' - cyclamineus daffodil Narcissus 'Stratosphere' - jonquilla daffodil Narcissus 'Stylish' - large-cupped daffodil Narcissus 'Sundial' - jonquilla daffodil Narcissus 'Tahiti' - double daffodil Narcissus 'Tangent' - large-cupped daffodil Narcissus 'Tete-a-Tete' - miscellaneous daffodil

Narcissus 'Thalia' - triandrus daffodil Narcissus 'Tracey' - cyclamineus daffodil Narcissus triandrus - bulbocodium daffodil Narcissus 'Tricollet' - split-corona daffodil Narcissus 'Vintage Rose' - large-cupped daffodil Narcissus 'White Lion' - double daffodil Narcissus 'Wild Carnival' - large-cupped daffodil Neillia affinis - neillia Neillia ribesioides - neillia Neillia sinensis - Chinese neillia Nelumbo lutea - American lotus Nelumbo 'Momo Botan' - sacred lotus Nelumbo nucifera - sacred lotus Nelumbo nucifera 'Pekinensis Rubra' - sacred lotus Nelumbo nucifera 'Perry's Giant Sunburst' - sacred lotus Nemesia caerulea - nemesia Nemesia group - nemesia Nemophila maculata - five spot Nemophila menziesii - baby blue eyes Neoregelia carolinae f. tricolor - blushing bromeliad Nepeta cataria - catnip Nepeta × faassenii - nepeta Nepeta × faassenii 'Cat's Meow' - nepeta Nepeta × faassenii 'Kit Cat' - nepeta Nepeta × faassenii 'Purrsian Blue' - nepeta Nepeta × faassenii 'Select Blue' - nepeta Nepeta grossheimii - nepeta Nepeta longipes - nepeta Nepeta racemosa - nepeta Nepeta racemosa 'Blue Wonder' - nepeta Nepeta racemosa 'Walker's Low' - catmint Nepeta sibirica 'Souvenir d'André Chaudron' - nepeta Nepeta subsessilis - nepeta Nepeta subsessilis 'Candy Cat' - nepeta Nepeta subsessilis var. sensibilis - nepeta Nepeta subsessilis 'Washfield' - nepeta Nephrolepis exaltata - fern Nephrolepis exaltata 'Bostoniensis' - Boston fern Neptunia oleracea - water mimosa oleander - oleander Neviusia alabamensis - Alabama snow wreath Nicotiana alata - flowering tobacco Nicotiana sylvestris - tobacco plant Nierembergia linariifolia - cupflower Nierembergia scoparia - cupflower Nierembergia scoparia 'Mont Blanc' - cupflower Nierembergia scoparia 'Purple Robe' - cupflower Nigella damascena - love-in-a-mist Nipponanthemum nipponicum - Nippon daisy

Nuphar lutea - yellow pond lily Nymphaea caerulea - Egyptian blue water lily Nymphaea 'Comanche' - hardy water lily Nymphaea 'Director George T. Moore' - tropical water lily Nymphaea 'James Brydon' - hardy water lily Nymphaea 'Marliacea Chromatella' - hardy water lily Nymphaea 'Pygmaea Helvola' - hardy water lily Nymphaea 'Sunny Pink' - hardy water lily Nymphaea 'Tina' - tropical water lily Nymphoides cristata - floating heart Nymphoides indica - water snowflake Nymphoides peltata - yellow floating heart Nyssa aquatica - tupelo gum Nyssa sylvatica - black gum Ocimum basilicum - sweet Ocimum × citriodorum 'Pesto Perpetuo' - basil Oenanthe javanica 'Flamingo' - water celery Oenothera biennis - common evening primrose Oenothera fremontii 'Lemon Silver' - evening primrose Oenothera fruticosa 'Fyrverkeri' - sundrops Oenothera fruticosa subsp. glauca - sundrops Oenothera 'Innoeno131' LEMON DROP - evening primrose Oenothera kunthiana - evening primrose Oenothera 'Lemon Sunset' - evening primrose Oenothera macrocarpa - evening primrose Oenothera pilosella - evening primrose Oenothera speciosa - white evening primrose Olea europaea - common Omphalodes cappadocica 'Starry Eyes' - navelwort Oncidium group - orchid Onoclea sensibilis - sensitive fern Onosmodium molle - false gromwell Onosmodium molle subsp. occidentale - false gromwell Ophiopogon japonicus 'Gyoku-ryu' - mondo grass Ophiopogon planiscapus 'Nigrescens' - mondo grass Opuntia compressa - prickly-pear Opuntia macrorhiza - prickly-pear Origanum 'Hot and Spicy' - Origanum 'Kent Beauty' - Origanum laevigatum 'Herrenhausen' - ornamental oregano Origanum laevigatum 'Hopleys' - marjoram Origanum laevigatum 'Silver Anniversary' - marjoram Origanum libanoticum - marjoram Origanum majorana - sweet marjoram Origanum majorana 'Aurea' - golden oregano Origanum 'Norton Gold' - marjoram Origanum 'Rosenkuppel' - marjoram Origanum syriacum - zaatar Origanum vulgare 'Aureum' - oregano

Origanum vulgare 'Jim Best' - oregano Origanum vulgare subsp. gracile - Russian oregano Origanum vulgare subsp. hirtum - Greek oregano Ornithogalum arabicum - Star of Bethlehem Ornithogalum candicans - giant summer hyacinth Ornithogalum magnum - Star of Bethlehem Ornithogalum umbellatum - Star of Bethlehem Orontium aquaticum - golden club Orostachys aggregata - orostachys Orostachys boehmeri - duncecap Orychophragmus violaceus - Chinese violet cress Oryza sativa 'Red Dragon' - rice plant Osmanthus armatus - devilwood Osmanthus fragrans - fragrant olive Osmanthus heterophyllus - holly olive Osmunda cinnamomea - cinnamon fern Osmunda claytoniana - interrupted fern Osmunda regalis - royal fern Osmunda regalis 'Cristata' - royal fern Osmunda regalis 'Purpurascens' - royal fern Osmunda regalis var. spectabilis - royal fern Osteospermum group - African daisy Ostrya carpinifolia - hop hornbeam Ostrya virginiana - eastern hop hornbeam Oxalis purpurea - Oxalis violacea - violet wood sorrel Oxydendrum arboreum - sourwood Pachira aquatica - water chestnut Pachira aquatica 'Lemon Blush' - water chestnut Pachypodium rutenbergianum - pachypodium Pachyrhizus erosus - jicama Pachysandra procumbens - Allegheny spurge Pachysandra terminalis - Japanese pachysandra Pachysandra terminalis 'Green Carpet' - Japanese pachysandra Pachysandra terminalis 'Green Sheen' - Japanese pachysandra Pachysandra terminalis 'Variegata' - Japanese spurge Pachystachys coccinea - cardinal's guard Pachystachys lutea - golden shrimp plant Packera aurea - golden ragwort Packera obovata - round-leaved ragwort Paeonia 'America' - peony Paeonia 'Coral 'n Gold' - peony Paeonia 'Coral Sunset' - peony Paeonia delavayi var. lutea 'Hesperus' - tree peony Paeonia 'Goldfinch' - tree peony Paeonia 'Itopa Shakuyaki' - fernleaf peony Paeonia japonica - peony Paeonia 'Kronos' - tree peony Paeonia lactiflora 'Alice Harding' - peony

Paeonia lactiflora 'Alley Cat' - peony Paeonia lactiflora 'Angel Cheeks' - peony Paeonia lactiflora 'Buttercup' - peony Paeonia lactiflora 'Charles Burgess' - peony Paeonia lactiflora 'Cheddar Charm' - peony Paeonia lactiflora 'Do Tell' - peony Paeonia lactiflora 'Duchesse de Nemours' - peony Paeonia lactiflora 'Falcon' - peony Paeonia lactiflora 'Green Lotus' - peony Paeonia lactiflora 'Karl Rosenfield' - peony Paeonia lactiflora 'Kinda Cute' - peony Paeonia lactiflora 'Marshmallow Button' - peony Paeonia lactiflora 'Mikado' - peony Paeonia lactiflora 'Mischief' - peony Paeonia lactiflora 'Miss America' - peony Paeonia lactiflora 'Raspberry Rumba' - peony Paeonia lactiflora 'Raspberry Sundae' - fernleaf peony Paeonia lactiflora 'Sarah Bernhardt' - peony Paeonia lactiflora 'Top Brass' - peony Paeonia lactiflora 'Toro-No-Maki' - peony Paeonia lactiflora 'Waltz' - peony Paeonia 'Marchioness' - peony Paeonia 'Murad of Hershey Bar' - tree peony Paeonia obovata - peony Paeonia officinalis - peony Paeonia ostii 'Feng Dan Bai' PHOENIX WHITE - tree peony Paeonia 'Pink Double Dandy' KEIKO - peony Paeonia 'Pink Hawaiian Coral' - peony Paeonia 'Prairie Moon' - peony Paeonia 'Red Charm' - peony Paeonia 'Scarlett O'Hara' - peony Paeonia 'Smith Opus 1' MISAKA - peony Paeonia 'Smith Opus 2' TAKARA - peony Paeonia suffruticosa - tree peony Paeonia suffruticosa 'Hana-kisoi' FLORAL RIVALRY - tree peony Paeonia suffruticosa 'Hei Hua Kui' CHAMPION OF BLACK - tree peony Paeonia suffruticosa 'Kamada-nishiki' KAMADA BROCADE - tree peony Paeonia suffruticosa 'Lilith' - tree peony Paeonia suffruticosa 'Qing Xiang Bai' DELICATE FRAGRANT WHITE - tree peony Paeonia suffruticosa 'Shima-Nishiki' - tree peony Paeonia suffruticosa 'Zhao Fen' ZHAO'S PINK - tree peony Paeonia suffruticosa 'Zi Qiao' LUOYANG RED - tree peony Paeonia 'Summer Night' - tree peony Paeonia tenuifolia - peony Paeonia 'Tessera' - peony Paeonia 'Themis' - tree peony Paeonia 'Zhu Sha Pan' CINNABAR RED - peony Panax quinquefolius - American ginseng Pandanus tectorius - screw pine

Pandanus tectorius 'Veitchii' - screw pine Panicum amarum 'Dewey Blue' - bitter switchgrass Panicum bulbosum - panic grass Panicum 'Huron Solstice' - switch grass Panicum miliaceum - millet Panicum 'Prairie Fire' - switch grass Panicum virgatum - switch grass Panicum virgatum 'Badlands' - switch grass Panicum virgatum 'Cheyenne Sky' - switch grass Panicum virgatum 'Cloud Nine' - switch grass Panicum virgatum 'Dallas Blues' - switch grass Panicum virgatum 'Dust Devil' - switch grass Panicum virgatum 'Heavy Metal' - switch grass Panicum virgatum 'Northwind' - switch grass Panicum virgatum 'Prairie Sky' - switch grass Panicum virgatum 'Rehbraun' - switch grass Panicum virgatum 'Rotstrahlbusch' - switch grass Panicum virgatum 'RR1' RUBY RIBBONS - switch grass Panicum virgatum 'Shenandoah' - switch grass Panicum virgatum 'Squaw' - switch grass Papaver nudicaule var. croceum - Arctic poppy Papaver oreophilum - poppy Papaver orientale 'Allegro' - oriental poppy Papaver orientale 'Beauty of Livermere' - oriental poppy Papaver orientale 'Fatima' - oriental poppy Papaver orientale 'Patty's Plum' - oriental poppy Papaver orientale 'Turkenlouis' - oriental poppy Paphiopedilum group - Venus' slipper × Pardancanda norrisii 'Dazzler' - pardancanda × Pardancanda 'Sangria' - candy lily × Pardancanda 'Violet Stitches' - candy lily Parrotia persica - Persian ironwood Parthenium hispidum - American feverfew Parthenium integrifolium - wild quinine Parthenocissus quinquefolia - Virginia creeper Parthenocissus quinquefolia 'Monham' STAR SHOWERS - Virginia creeper Parthenocissus quinquefolia 'Troki' RED WALL - Virginia creeper Parthenocissus quinquefolia var. engelmannii - Virginia creeper Parthenocissus tricuspidata - Boston ivy Parthenocissus tricuspidata 'Fenway Park' - Boston ivy Parthenocissus tricuspidata 'Ginza Lights' - Boston ivy Parthenocissus tricuspidata 'Lowii' - Boston ivy Paspalum floridanum - Florida paspalum Passiflora caerulea - blue passionflower Passiflora coccinea - red passion flower Passiflora edulis - purple passionfruit Passiflora incarnata - wild passion flower Passiflora incarnata 'Alba' - passion flower Passiflora 'Incense' - passion flower

Passiflora 'Violet Ray' - passion flower Patrinia gibbosa - patrinia Patrinia scabiosifolia - patrinia Patrinia scabiosifolia 'Nagoya' - patrinia Patrinia villosa - patrinia Paulownia tomentosa - princess tree Pedicularis canadensis - common lousewort Pedilanthus tithymaloides - slipper plant Pelargonium × domesticum - regal geranium Pelargonium × hortorum - zonal geranium Pelargonium peltatum - ivy geranium Pelargonium scented-leaved group - scented-leaved geranium Pellionia repens - trailing watermelon begonia Peltandra virginica - green arrow arum Peltoboykinia watanabei - peltoboykinia Pennisetum alopecuroides - fountain grass Pennisetum alopecuroides 'Cassian's Choice' - fountain grass Pennisetum alopecuroides 'Ginger Love' - fountain grass Pennisetum alopecuroides 'Hameln' - fountain grass Pennisetum alopecuroides 'Little Bunny' - fountain grass Pennisetum alopecuroides 'Little Honey' - fountain grass Pennisetum alopecuroides 'Moudry' - fountain grass Pennisetum alopecuroides 'National ' - fountain grass Pennisetum alopecuroides 'Piglet' - fountain grass Pennisetum alopecuroides 'Weserbergland' - fountain grass Pennisetum macrourum - African feather grass Pennisetum messiacum 'Red Bunny Tails' - fountain grass Pennisetum orientale 'Karley Rose' - oriental fountain grass Pennisetum orientale 'Tall Tails' - fountain grass Pennisetum purpureum 'Prince' - elephant grass Pennisetum setaceum 'Fireworks' - fountain grass Pennisetum setaceum 'Red Riding Hood' - fountain grass Pennisetum setaceum 'Rubrum' - fountain grass Penstemon barbatus - bearded penstemon Penstemon barbatus 'Elfin Pink' - bearded penstemon Penstemon barbatus 'Jingle Bells' - bearded penstemon Penstemon barbatus subsp. coccineus - bearded penstemon Penstemon caespitosus - beardtongue Penstemon campanulatus - bellflower beardtongue Penstemon canescens - beardtongue Penstemon cobaea - dew flower Penstemon cobaea var. purpureus - dew flower Penstemon 'Czar' - beardtongue Penstemon 'Dark Towers' - beardtongue Penstemon digitalis - beardtongue Penstemon digitalis 'Husker Red' - beardtongue Penstemon digitalis 'Pocahontas' - beardtongue Penstemon grandiflorus - large beardtongue Penstemon heterophyllus 'Electric Blue' - foothill penstemon

Penstemon 'Pensham Amelia Jane' - beardtongue Penstemon 'Pensham Eleanor Young' - beardtongue Penstemon 'Prairie Fire' - beardtongue Penstemon 'Prairie Twilight' - beardtongue Penstemon 'Red Rocks' - beardtongue Penstemon 'Sweet Joanne' - beardtongue Penstemon tubaeflorus - White wand beardtongue Penstemon 'Welsh Dawn' - beardtongue Penstemon 'Yaput' LILLIPUT ROSE - beardtongue Pentas lanceolata - Egyptian star flower Peperomia argyreia - watermelon begonia Peperomia obtusifolia - baby rubber plant Pericallis × hybrida - florist's cineraria frutescens - beefsteak plant Perilla 'Magilla' - perilla Perovskia atriplicifolia - Russian sage Perovskia atriplicifolia 'Lisslitt' LACEY BLUE - Russian sage Perovskia atriplicifolia 'Little Spire' - Russian sage Perovskia atriplicifolia 'WALPPB' PEEK-A-BLUE - Russian sage Perovskia 'Blue Spire' - perovskia Perovskia 'Filigran' - Russian sage Perovskia 'Longin' - Russian sage Persea americana - avacado Persicaria affinis 'Superba' - knotweed Persicaria amplexicaulis 'Firetail' - mountain fleece Persicaria amplexicaulis 'Golden Arrow' - mountain fleece Persicaria bistorta 'Superba' - bistort Persicaria polymorpha - knotweed Persicaria virginiana Compton's Form - mountain fleece Persicaria virginiana Variegata Group - knotweed Persicaria virginiana Variegata Group 'Painter's Palette' - knotweed Petasites japonicus - butterbur Petrea volubilis - purple wreath Petroselinum crispum - parsley Petroselinum crispum var. neapolitanum - Italian parsley Petunia group - petunia Petunia 'Ustuni6001' SUPERTUNIA VISTA BUBBLEGUM - petunia Phaius group - orchid Phalaenopsis group - moth orchid Phalaris arundinacea - reed canary grass Phalaris arundinacea var. picta 'Feesey' - reed canary grass Phalaris arundinacea var. picta 'Picta' - reed canary grass Phaseolus vulgaris - bean Phegopteris decursive-pinnata - beech fern Phegopteris hexagonoptera - broad beech fern Phellodendron amurense - Amur cork tree Phellodendron amurense 'Macho' - Amur cork tree Philadelphus 'Avalanche' - mock orange Philadelphus 'Belle Etoile' - mock orange

Philadelphus 'Innocence' - mock orange Philadelphus microphyllus 'June Bride' - mock orange Philadelphus 'Miniature Snowflake' - mock orange Philadelphus pekinensis - mock orange Philadelphus pubescens - broad-leaf mock orange Philadelphus pubescens var. verrucosus - mock orange Philadelphus schrenkii - mock orange Philadelphus 'Snow Dwarf' - mock orange Philadelphus 'Snow Velvet' - mock orange Philadelphus 'Snowbelle' - mock orange Philadelphus 'Virginal' - mock orange Philodendron scandens - heart-leaf philodendron Phlomis fruticosa - Jerusalem sage Phlomis longifolia - phlomis Phlomis russeliana - turkish sage Phlomis tuberosa - phlomis Phlomis tuberosa 'Amazone' - phlomis Phlox × arendsii 'Hesperis' - garden phlox Phlox × arendsii 'Ping Pong' - phlox Phlox bifida - sand phlox Phlox divaricata - wild sweet William Phlox divaricata 'Fuller's White' - wild sweet William Phlox divaricata subsp. laphamii - wild sweet William Phlox divaricata subsp. laphamii 'Chattahoochee' - phlox Phlox drummondii - phlox Phlox glaberrima - smooth phlox Phlox glaberrima 'Morris Berd' - smooth phlox Phlox 'Green Spring' - phlox Phlox maculata - wild sweet William Phlox maculata 'Natascha' - wild sweet William Phlox paniculata - garden phlox Phlox paniculata 'Barfourteen' PURPLE FLAME - garden phlox Phlox paniculata 'Barten' LILAC FLAME - garden phlox Phlox paniculata 'Bartwelve' PINK FLAME - garden phlox Phlox paniculata 'Becky Towe' - garden phlox Phlox paniculata 'Blue Paradise' - garden phlox Phlox paniculata 'Bright Eyes' - garden phlox Phlox paniculata 'David' - garden phlox Phlox paniculata 'David's Lavender' - garden phlox Phlox paniculata 'Delta Snow' - garden phlox Phlox paniculata 'Düsterlohe' NICKY - garden phlox Phlox paniculata 'Eden's Crush' - garden phlox Phlox paniculata 'Eden's Glory' - garden phlox Phlox paniculata 'Eden's Glow' - garden phlox Phlox paniculata 'Empty Feelings' - garden phlox Phlox paniculata 'Eva Cullum' - garden phlox Phlox paniculata f. alba - garden phlox Phlox paniculata 'Franz Schubert' - garden phlox Phlox paniculata 'Grenadine Dream' - garden phlox

Phlox paniculata 'Jeana' - garden phlox Phlox paniculata 'John Fanick' - garden phlox Phlox paniculata 'Katherine' - garden phlox Phlox paniculata 'Laura' - garden phlox Phlox paniculata 'Little Boy' - garden phlox Phlox paniculata 'Little Princess' - garden phlox Phlox paniculata 'Miss Elie' - garden phlox Phlox paniculata 'Miss Holland' - garden phlox Phlox paniculata 'Miss Kelly' - garden phlox Phlox paniculata 'Miss Universe' - garden phlox Phlox paniculata 'Mount Fuji' - garden phlox Phlox paniculata 'Peppermint Twist' - garden phlox Phlox paniculata 'Prime Minister' - garden phlox Phlox paniculata 'Prince of Orange' - garden phlox Phlox paniculata 'Red Riding Hood' - garden phlox Phlox paniculata 'Robert Poore' - garden phlox Phlox paniculata 'Shockwave' - garden phlox Phlox paniculata 'Shortwood' - garden phlox Phlox paniculata 'Starfire' - garden phlox Phlox PAPARAZZI MIX - phlox Phlox 'PHL090201' PAPARAZZI JAGGER - phlox Phlox pilosa - prairie phlox Phlox pilosa var. ozarkana - prairie phlox Phlox stolonifera - creeping phlox Phlox stolonifera 'Sherwood Purple' - creeping phlox Phlox subulata - moss phlox Phlox subulata 'Millstream Daphne' - phlox Phoenix canariensis - date Phormium tenax - New Zealand flax Photinia beauverdiana - Christmas berry Photinia × fraseri - Fraser photinia Photinia × fraseri 'Red Robin' - Fraser photinia Photinia serratifolia - Chinese hawthorn Photinia villosa - Christmas berry Phragmipedium group - orchid Phuopsis stylosa - large-styled crosswort Phuopsis stylosa 'Purpurea' - skunk plant Phygelius 'Blacher' CHERRY RIPE - Cape fuchsia Phygelius 'Blaphy' NEW SENSATION - Cape fuchsia Phyllanthus fluitans - phyllanthus Phyllostachys aureosulcata - yellow groove bamboo Phymatosorus scolopendria - wart fern Physalis alkekengi - Chinese lantern Physalis ixocarpa - tomatillo Physocarpus opulifolius - ninebark Physocarpus opulifolius 'Center Glow' - ninebark Physocarpus opulifolius 'Dart's Gold' - ninebark Physocarpus opulifolius 'Diabolo' - ninebark Physocarpus opulifolius 'Jefam' AMBER JUBILEE - ninebark

Physocarpus opulifolius 'Mindia' COPPERTINA - ninebark Physocarpus opulifolius 'Nanus' - ninebark Physocarpus opulifolius 'Ruby Spice' - ninebark Physocarpus opulifolius 'Seward' SUMMER WINE - ninebark Physostegia angustifolia - obedient plant Physostegia virginiana - obedient plant Physostegia virginiana 'Alba' - obedient plant Physostegia virginiana 'Crystal Peak White' - obedient plant Physostegia virginiana 'Miss Manners' - obedient plant Physostegia virginiana 'Summer Snow' - obedient plant Physostegia virginiana 'Vivid' - obedient plant Picea abies - Norway spruce Picea abies 'Acrocona' - Norway spruce Picea abies 'Clanbrassiliana Stricta' - Norway spruce Picea abies 'Elegans' - dwarf Norway spruce Picea abies 'Formanek' - Norway spruce Picea abies 'Gregoryana' - Norway spruce Picea abies 'Hillside Upright' - Norway spruce Picea abies 'Humphrey's Gem' - dwarf Norway spruce Picea abies 'Kellerman's Blue Cameo' - Norway spruce Picea abies 'Little Gem' - Norway spruce Picea abies 'Little Joe' - Norway spruce Picea abies 'Maxwellii' - Norway spruce Picea abies 'Nidiformis' - Norway spruce Picea abies 'Parsoni' - Norway spruce Picea abies 'Pendula' - Norway spruce Picea abies 'Pumila' - Norway spruce Picea abies 'Sherwood Compact' - Norway spruce Picea abies 'Virgata' - snake fir Picea abies 'Weeping Blue' - Norway spruce Picea abies 'Witch's Brood' - Norway spruce Picea alcoquiana 'Howell's Tigertail' - Alcock's spruce Picea bicolor 'Howell's Dwarf' - Alcock's spruce Picea breweriana - brewer's spruce Picea engelmannii - Engelmann spruce Picea glauca - white spruce Picea glauca 'Cecilia' - white spruce Picea glauca 'Conica' - white spruce Picea glauca 'Densata' - white spruce Picea glauca 'Echiniformis' - white spruce Picea glauca JEAN'S DILLY - white spruce Picea glauca 'Little Globe' - white spruce Picea glauca 'Sander's Blue' - white spruce Picea glehnii - Sakhalin spruce Picea glehnii 'Yatsubusa' - Sakhalin spruce Picea jezoensis - yezo spruce Picea likiangensis - luiang spruce Picea mariana 'Nana' - black spruce Picea omorika - Serbian spruce

Picea omorika 'Berliner's Weeper' - Serbian spruce Picea omorika 'Nana' - Serbian spruce Picea orientalis 'Bergman's Gem' - oriental spruce Picea orientalis 'Compacta' - oriental spruce Picea orientalis 'Gowdy' - oriental spruce Picea orientalis 'Instar' - oriental spruce Picea orientalis 'Nigra Compacta' - oriental spruce Picea orientalis 'Pendula' - oriental spruce Picea orientalis 'Skylands' - oriental spruce Picea pungens - Colorado spruce Picea pungens 'Baby Blueeyes' - Colorado spruce Picea pungens 'Bacheri' - Colorado spruce Picea pungens 'Colonial Gold' - Colorado spruce Picea pungens 'Corbet' - Colorado spruce Picea pungens 'Fat Albert' - Colorado spruce Picea pungens 'Foxtail' - Colorado spruce Picea pungens 'Glauca Globosa' - Colorado spruce Picea pungens 'Glauca Prostrata' - Colorado spruce Picea pungens 'Globe' - Colorado spruce Picea pungens 'Hoopsii' - Colorado spruce Picea pungens 'Montgomery' - Colorado spruce Picea pungens 'Pendula' - Colorado spruce Picea pungens 'Thuem' - Colorado spruce Picea pungens 'Thume' - Colorado spruce Picea pungens 'Walnut Glen' - Colorado spruce Picea smithiana - morinda spruce Pieris 'Forest Flame' - lily of the valley bush Pieris japonica - Japanese pieris Pieris japonica DODD'S CRYSTAL CASCADE FALLS - Japanese pieris Pieris japonica 'Mountain Fire' - Japanese pieris Pieris japonica 'Nocturne' - Japanese pieris Pieris japonica 'Prelude' - Japanese pieris Pieris japonica 'Red Mill' - Japanese pieris Pieris japonica 'Valley Valentine' - Japanese pieris Pilea cadierei - aluminum plant Pilea involucrata - friendship plant Pilea microphylla - artillery plant Pilea mollis 'Moon Valley' - pilea Pimenta dioica - allspice Pimpinella major - greater burnet Pimpinella major 'Rosea' - greater burnet Pinellia tripartita - green dragon Pinus banksiana - jack pine Pinus banksiana 'Uncle Fogy' - jack pine Pinus bungeana - lacebark pine Pinus cembra - Swiss stone pine Pinus cembra 'Chalet' - Swiss stone pine Pinus cembra 'Glauca' - Swiss stone pine Pinus densiflora - Japanese red pine

Pinus densiflora 'Globosa' - Japanese red pine Pinus densiflora 'Jane Kluis' - Japanese red pine Pinus densiflora 'Low Glow' - Japanese red pine Pinus densiflora 'Pendula' - Japanese red pine Pinus densiflora 'Umbraculifera' - Japanese red pine Pinus echinata - short-leaf pine Pinus fenzeliana - Hainan white pine Pinus flexilis - limber pine Pinus flexilis 'Cesarini Blue' - limber pine Pinus flexilis 'Vanderwolf's Pyramid' - limber pine Pinus heldreichii - Bosnian pine Pinus jeffreyi - Jeffrey's pine Pinus koraiensis - Korean pine Pinus montezumae - Montezuma pine Pinus mugo - mugo pine Pinus mugo 'Allen' - dwarf mountain pine Pinus mugo 'Aurea' - mugo pine Pinus mugo 'Gordon Bentham' - mugo pine Pinus mugo 'Mops' - dwarf mountain pine Pinus mugo 'Paul's Dwarf' - dwarf mountain pine Pinus mugo 'Teeny' - dwarf mountain pine Pinus mugo 'Valley Cushion' - dwarf mountain pine Pinus mugo var. pumilio - dwarf mountain pine Pinus nigra - Austrian pine Pinus nigra 'Hornibrookiana' - Austrian pine Pinus nigra subsp. laricio 'Globosa Viridis' - Austrian pine Pinus parviflora - Japanese white pine Pinus parviflora 'Adcock's Dwarf' - Japanese white pine Pinus parviflora 'Bergman' - Japanese white pine Pinus parviflora 'Blue Wave' - Japanese white pine Pinus parviflora Glauca Group - Japanese white pine Pinus parviflora 'Glauca Nana' - Japanese white pine Pinus parviflora 'Venus' - Japanese white pine Pinus pinea - stone pine Pinus ponderosa - ponderosa pine Pinus pumila 'Compacta' - dwarf Siberian pine Pinus pumila 'Dwarf Blue' - dwarf Siberian pine Pinus resinosa - red pine Pinus strobiformis 'Coronado' - southwestern white pine Pinus strobus - eastern white pine Pinus strobus 'Blue Shag' - eastern white pine Pinus strobus 'Brevifolia Densa' - eastern white pine Pinus strobus 'Contorta' - eastern white pine Pinus strobus 'Fastigiata' - eastern white pine Pinus strobus 'Hillside Winter Gold' - eastern white pine Pinus strobus 'Horsford' - eastern white pine Pinus strobus 'Macopin' - eastern white pine Pinus strobus Nana Group - eastern white pine Pinus strobus 'Paul Waxman' - eastern white pine

Pinus strobus 'Pendula' - eastern white pine Pinus strobus 'Sea Urchin' - eastern white pine Pinus sylvestris - Scotch pine Pinus sylvestris 'Albyn Prostrata' - Scotch pine Pinus sylvestris 'Aurea' - golden Scotch pine Pinus sylvestris 'Beuvronensis' - Scotch pine Pinus sylvestris 'Fastigiata' - Scotch pine Pinus sylvestris 'Glauca Nana' - Scotch pine Pinus sylvestris 'Gold Coin' - Scotch pine Pinus sylvestris 'Hillside Creeper' - Scotch pine Pinus sylvestris 'Hindu-Pan' - Scotch pine Pinus sylvestris 'Loose Park' - Scotch pine Pinus sylvestris 'Nana Compressa' - Scotch pine Pinus sylvestris 'Repens' - Scotch pine Pinus sylvestris 'Watereri' - Scotch pine Pinus tabuliformis - Chinese pine Pinus tabuliformis var. mukdensis - Chinese red pine Pinus taeda - loblolly pine Pinus thunbergii - Japanese black pine Pinus thunbergii 'Banshosho' - Japanese black pine Pinus thunbergii 'Mia Kujaku' - Japanese black pine Pinus thunbergii 'Monina' MAJESTIC BEAUTY - Japanese black pine Pinus thunbergii 'Pygmaea' - Japanese black pine Pinus virginiana 'Wate's Golden' - Virginia pine Pinus wallichiana - Himalayan pine Piper methysticum - kava Piper nigrum - common pepper Pistacia chinensis - pistachio Pistia stratiotes - water lettuce Pisum sativum - garden pea Pittosporum 'Garnettii' - pittosporum Pittosporum illicioides - pittosporum Pittosporum tobira - Japanese pittosporum Pittosporum tobira 'Variegatum' - Japanese pittosporum Platanus × acerifolia - London plane tree Platanus occidentalis - American sycamore Platanus orientalis - oriental plane tree Platycarya strobilacea - platycarya Platycerium bifurcatum - common staghorn fern Platycladus orientalis - oriental arborvitae Platycladus orientalis 'Aurea Nana' - oriental arborvitae Platycladus orientalis 'Collen's Gold' - oriental arborvitae Platycladus orientalis 'Elegantissima' - oriental arborvitae Platycladus orientalis 'Westmont' - Chinese arborvitae Platycodon grandiflorus - balloon flower Platycodon grandiflorus 'Astra Blue' - balloon flower Platycodon grandiflorus 'Astra Pink' - balloon flower Platycodon grandiflorus 'Astra Semi-Double Blue' - balloon flower Platycodon grandiflorus 'Fairy Snow' - balloon flower

Platycodon grandiflorus 'Fuji White' - balloon flower Platycodon grandiflorus 'Hakone Blue' - balloon flower Platycodon grandiflorus 'Komachi' - balloon flower Platycodon grandiflorus 'Misato Purple' - balloon flower Platycodon grandiflorus 'Sentimental Blue' - balloon flower Plectranthus argentatus - silver spurflower Plectranthus argentatus 'Silver Shield' - silver spurflower Plectranthus australis - Swedish ivy Plectranthus australis 'Variegatus' - Cuban oregano Plectranthus forsteri 'Marginatus' - Swedish ivy Plectranthus 'Mona Lavender' - Swedish ivy Plectranthus strigosus - Swedish ivy Pleioblastus pygmaeus - dwarf fern-leaf bamboo Pleioblastus viridistriatus - kamuro-zasa Plumbago auriculata - Cape leadwort alba - West Indian jasmine Plumeria obtusa - plumeria Plumeria rubra - nosegay Poa pratensis group - Kentucky bluegrass Poa trivialis - rough meadow grass Podocarpus macrophyllus - bigleaf podocarp Podophyllum peltatum - may-apple Podophyllum peltatum f. deamii - may-apple Podophyllum pleianthum - dysosma Podophyllum 'Spotty Dotty' - may-apple Polemonium 'Bressingham Purple' - Jacob's ladder Polemonium caeruleum - Jacob's ladder Polemonium caeruleum 'Blanjou' BRISE D'ANJOU - Jacob's ladder Polemonium caeruleum 'Snow and Sapphires' - Jacob's ladder Polemonium 'Lace Towers' - Jacob's ladder Polemonium reptans - Jacob's ladder Polianthes tuberosa - tuberose Pollia japonica - pollia Polygonatum biflorum - Solomon's seal Polygonatum biflorum var. commutatum - giant Solomon's seal Polygonatum filipes - slender stalk Solomon's seal Polygonatum humile - dwarf Solomon's seal Polygonatum odoratum - Solomon's seal Polygonatum odoratum var. pluriflorum 'Variegatum' - Solomon's seal Polygonatum 'Prince Charming' - Solomon's seal Polymnia canadensis - small-flowered leaf cup Polypodium polypodioides - Resurrection fern Polypodium virginianum - American wall fern Polyscias filicifolia - fern-leaf aralia Polyscias fruticosa - Ming aralia Polystichum acrostichoides - Christmas fern Polystichum braunii - Braun's holly fern Polystichum polyblepharum - tassel fern Polystichum setiferum - soft shield fern

Polystichum setiferum Divisilobum Group 'Herrenhausen' - soft shield fern Polystichum tsus-simense - dwarf holly fern Poncirus trifoliata - hardy orange Poncirus trifoliata 'Monstrosa' - hardy orange Pontederia cordata - pickerel weed Populus alba - white poplar Populus deltoides - eastern cottonwood Populus nigra 'Italica' - black poplar Populus tremula - aspen Populus tremuloides - American aspen Porteranthus stipulatus - Indian physic Porteranthus trifoliata - bowman's root Portulaca grandiflora - moss rose Portulaca oleracea - purslane Portulaca oleracea RIO SERIES - purslane Portulaca oleracea subsp. sativa - purslane Potentilla argentea - silvery cinquefoil Potentilla erecta - tormentil Potentilla '' - cinquefoil Potentilla fruticosa - shrubby cinquefoil Potentilla fruticosa 'Coronation Triumph' - shrubby cinquefoil Potentilla fruticosa 'Hallman Dwarf' - shrubby cinquefoil Potentilla gracilis - cinquefoil Potentilla nepalensis 'Ron McBeath' - cinquefoil Potentilla neumanniana 'Nana' - cinquefoil Potentilla recta 'Warrenii' - sulphur cinquefoil Potentilla thurberi 'Monarch's Velvet' - scarlet cinquefoil Pratia angulata - pratia Primula 'Alejandra' - primula Primula × bulleesiana - primrose Primula 'Juanita' - primula Primula kisoana - hardy primrose Primula polyanthus type - polyanthus Primula × pubescens - primrose Primula vulgaris - primrose Primula 'Wanda' - pruhonicensis hybrid primula Primula 'Wanda Elaine' - primula Primula 'Wanda Kay' - primula Primula 'Wanda Renae's Pearl' - primula Pritchardia pacifica - Fiji palm Prostanthera cuneata 'Badja Peak' - badja peak mint bush Prostanthera 'Poorinda Ballerina' - mintbush Protea cynaroides - king protea Prunella grandiflora 'Loveliness' - self heal Prunella grandiflora 'Rosea' - self heal Prunus americana - wild plum Prunus angustifolia - chickasaw plum Prunus armeniaca 'Homedale' STARK SWEETHEART - dwarf apricot Prunus armeniaca 'Wilson Delicious' - apricot

Prunus armeniaca 'Zaiglo' STARK GOLDEN GLO - apricot Prunus avium - bird cherry Prunus avium 'Lapins' STARKRIMSON SWEET - bird cherry Prunus avium 'Stella' - bird cherry Prunus avium 'Thomas' STARK GOLD - bird cherry Prunus caroliniana - cherry laurel Prunus cerasifera - cherry plum Prunus cerasifera 'Krauter Vesuvius' - cherry plum Prunus cerasifera 'Newport' - cherry plum Prunus cerasifera 'Thundercloud' - cherry plum Prunus × cistena - purple-leaf sand cherry Prunus davidiana - David's peach Prunus domestica 'Johnson' STARKING DELICIOUS - dwarf plum Prunus domestica 'Stanley' - dwarf plum Prunus dulcis - almond Prunus 'First Lady' - cherry Prunus glandulosa - Chinese plum Prunus glandulosa 'Sinensis' - dwarf flowering almond Prunus 'Kanzan' - Japanese flowering cherry Prunus laurocerasus - cherry laurel Prunus laurocerasus 'Otto Luyken' - cherry laurel Prunus maackii - Manchurian cherry Prunus mandshurica - Manchurian apricot Prunus mume - Japanese apricot Prunus mume 'Fenghou' - Japanese apricot Prunus mume 'Peggy Clarke' - Japanese apricot Prunus 'North Star' - sour cherry Prunus padus - bird cherry Prunus padus 'Albertii' - bird cherry Prunus padus 'Berg' - bird cherry Prunus padus 'Colorata' - bird cherry Prunus padus 'DTR 117' SUMMER GLOW - bird cherry Prunus pendula 'Pendula Rosea' - weeping higan cherry Prunus persica 'Belle of Georgia' - dwarf peach Prunus persica 'Bonfire' - ornamental peach Prunus persica 'Jordan' STARK ELBERTA QUEEN - dwarf peach Prunus persica 'Reliance' - peach Prunus persica var. nectarina 'Mericrest' - dwarf nectarine Prunus persica var. nectarina STARK SUNGLO - dwarf nectarine Prunus 'Redheart' - dwarf plum Prunus sargentii - Sargent cherry Prunus sargentii 'Columnaris' - Sargent cherry Prunus serotina - black cherry Prunus serrula - ornamental cherry Prunus serrulata - Japanese flowering cherry Prunus 'Shirotae' - Mount Fuji cherry Prunus 'Snofozam' SNOW FOUNTAINS - weeping higan cherry Prunus STARK GOLDEN SWEET - semi-dwarf cherry Prunus subhirtella - higan cherry

Prunus subhirtella 'Autumnalis' - higan cherry Prunus tomentosa - downy cherry Prunus triloba - flowering almond Prunus triloba 'Multiplex' - flowering almond Prunus virginiana - chokecherry Prunus virginiana 'Schubert' - chokecherry Prunus × yedoensis - yoshino cherry Pseudocydonia sinensis - Chinese-quince Pseudogynoxys chenopodioides - Mexican flame vine Pseudolarix amabilis - golden larch Pseudosasa japonica - arrow bamboo Pseudotsuga menziesii - Douglas fir Psidium littorale - yellow strawberry guava Ptelea trifoliata - hop tree Pteridium aquilinum - bracken Pteris cretica - cretan brake Pterocarya fraxinifolia - Caucasian wingnut Pterocarya × rehderiana - wingnut Pterocarya stenoptera - Chinese wingnut Pterostyrax hispida - fragrant epaulette tree Pueraria montana var. lobata - kudzu vine Pulmonaria 'Baby Blue' - lungwort Pulmonaria 'Berries and Cream' - lungwort Pulmonaria 'British Sterling' - lungwort Pulmonaria 'Coral Springs' - lungwort Pulmonaria 'Cotton Cool' - lungwort Pulmonaria 'Dark Vader' - lungwort Pulmonaria 'Excalibur' - lungwort Pulmonaria 'Golden Haze' - lungwort Pulmonaria 'Irish Spring' GAELIC SPRING - lungwort Pulmonaria 'Lewis Palmer' - lungwort Pulmonaria longifolia 'Bertram Anderson' - lungwort Pulmonaria longifolia subsp. cevennensis - pulmonaria Pulmonaria 'Majesté' - lungwort Pulmonaria 'May Bouquet' - lungwort Pulmonaria 'Moonshine' - lungwort Pulmonaria 'Mountain Magic' GAELIC MAGIC - lungwort Pulmonaria officinalis 'White Wings' - lungwort Pulmonaria 'Raspberry Splash' - lungwort Pulmonaria 'Roy Davidson' - lungwort Pulmonaria rubra 'Ann' - lungwort Pulmonaria saccharata 'Leopard' - lungwort Pulmonaria saccharata 'Mrs. Moon' - Bethlehem sage Pulmonaria 'Silver Streamers' - lungwort Pulmonaria 'Sissinghurst White' - lungwort Pulmonaria 'Smoky Blue' - lungwort Pulmonaria 'Spilled Milk' - Bethlehem sage Pulmonaria 'Trevi Fountain' - lungwort Pulmonaria 'Victorian Brooch' - lungwort

Pulsatilla patens - eastern pasque flower Pulsatilla vulgaris - pasque flower Pulsatilla vulgaris 'Alba' - pasque flower Pulsatilla vulgaris 'Rote Glocke' RED CLOCK - pasque flower Pulsatilla vulgaris subsp. grandis 'Papageno' - pasque flower Punica granatum - egranate Punica granatum var. nana - dwarf egranate Punica granatum 'Wonderful' - egranate Puschkinia scilloides - striped squill Pycnanthemum incanum - mountain mint Pycnanthemum muticum - mountain mint Pycnanthemum pilosum - American mountain mint Pycnanthemum tenuifolium - slender mountain mint Pycnanthemum virginianum - American mountain mint Pyracantha angustifolia 'Gnome' - firethorn Pyracantha coccinea - scarlet firethorn Pyracantha coccinea 'Lalandei Monrovia' - scarlet firethorn Pyracantha coccinea 'Rutgers' - scarlet firethorn Pyrus calleryana 'Aristocrat' - callery pear Pyrus calleryana 'Bradford' - callery pear Pyrus calleryana 'Capital' - callery pear Pyrus calleryana 'Chanticleer' - callery pear Pyrus communis - wild pear Pyrus communis 'Doyenné du Comice' - wild pear Pyrus communis 'Moonglow' - dwarf pear Pyrus salicifolia - willowleaf pear Pyrus salicifolia 'Pendula' - willowleaf pear Pyrus salicifolia 'Silver Frost' - willowleaf pear Pyrus STARK ULTRA RED - pear Pyrus STARKING DELICIOUS - pear Quercus acerifolia - maple-leaved oak Quercus acutissima - sawtooth oak Quercus alba - white oak Quercus aliena - oriental white oak Quercus bicolor - swamp white oak Quercus cerris - turkey oak Quercus coccinea - scarlet oak Quercus dalechampii - oak Quercus ellipsoidalis - northern pin oak Quercus falcata - southern red oak Quercus glauca - ring-cupped oak Quercus imbricaria - shingle oak Quercus laurifolia - laurel oak Quercus × leana - oak Quercus lyrata - overcup oak Quercus macrocarpa - bur oak Quercus marilandica - blackjack oak Quercus michauxii - swamp chestnut oak Quercus mongolica - Mongolian oak

Quercus mongolica var. grosseserrata - oak Quercus muehlenbergii - chinkapin oak Quercus nigra - water oak Quercus palustris - pin oak Quercus phellos - willow oak Quercus prinus - chestnut oak Quercus pubescens - downy oak Quercus pubescens var. crispata - downy oak Quercus robur - English oak Quercus robur 'Concordia' - English oak Quercus robur f. fastigiata - English oak Quercus rubra - red oak Quercus × schuettei - oak Quercus shumardii - shumard oak Quercus stellata - post oak Quercus suber - cork oak Quercus texana - Texas red oak Quercus variabilis - Chinese cork oak Quercus velutina - black oak Quercus virgiliana - oak Quercus virginiana - live oak Quercus × warei 'Long' REGAL PRINCE - oak Radermachera sinica - China doll Ranunculus asiaticus - Persian buttercup Ranunculus ficaria - lesser celandine Ranunculus repens - creeping buttercup Ranunculus repens 'Buttered Popcorn' - creeping buttercup Raphanus sativus - radish Raphanus sativus 'Caudatus' - rat tail radish Ratibida columnifera - Mexican hat plant Ratibida columnifera 'Buttons and Bows' - long-head coneflower Ratibida pinnata - grey-head coneflower Ravenala madagascariensis - traveller's tree Rehmannia glutinosa - adhesive rehmannia Rhamnus caroliniana - Carolina buckthorn Rhamnus cathartica - buckthorn Rhamnus frangula 'Asplenifolia' - alder buckthorn Rhamnus frangula 'Columnaris' - alder buckthorn Rhamnus frangula 'Ron Williams' FINE LINE - alder buckthorn Rhaphiolepis indica - Indian-hawthorn Rhaphiolepis indica 'Snow White' - India hawthorn Rhaphiolepis umbellata - Indian hawthorn Rhaphiolepis umbellata 'Blueberry Muffin' - Indian hawthorn Rhapidophyllum hystrix - needle palm Rheum × hybridum - rhubarb Rheum × hybridum 'K' STARKRIMSON - rhubarb Rheum × hybridum 'New Valentine' - rhubarb Rheum × hybridum 'Valentine' - rhubarb Rheum palmatum - rhubarb

Rhododendron 'Anna H. Hall' - rhododendron Rhododendron austrinum - Florida azalea Rhododendron 'Beaulieu' - azalea Rhododendron 'Blaauw's Pink' - evergreen azalea Rhododendron 'Boudoir' - evergreen azalea Rhododendron 'Camilla's Blush' - azalea Rhododendron canescens - Mountain azalea Rhododendron 'Capistrano' - rhododendron Rhododendron 'Caroline Gable' - evergreen azalea Rhododendron 'Carrie Amanda' - azalea Rhododendron 'Cascade' - evergreen azalea Rhododendron 'Chiara' - evergreen azalea Rhododendron 'Clarice' - azalea Rhododendron 'Concho' - evergreen azalea Rhododendron 'Conlec' AUTUMN ROYALTY - evergreen azalea Rhododendron 'Conlef' AUTUMN CHEER - azalea Rhododendron 'Conlep' AUTUMN TWIST - evergreen azalea Rhododendron 'Corsage' - evergreen azalea Rhododendron 'Darkie' - azalea Rhododendron dauricum - dahurian rhododendron Rhododendron ' Valley White' - evergreen azalea Rhododendron 'Dr. H. R. Schroeder' - evergreen azalea Rhododendron 'English Roseum' - rhododendron Rhododendron 'Fedora' - azalea Rhododendron 'Flame Creeper' - evergreen azalea Rhododendron 'Fragrant Star' - deciduous azalea Rhododendron 'George Hyatt' - azalea Rhododendron 'Ginny Gee' - small-leaved rhododendron Rhododendron 'Girard Dwarf Lavender' - evergreen azalea Rhododendron 'Girard's Crimson' - evergreen azalea Rhododendron 'Girard's Fuchsia' - evergreen azalea Rhododendron 'Girard's Hot Shot' - evergreen azalea Rhododendron 'Girard's Karen' - azalea Rhododendron 'Girard's Mount Saint Helens' - deciduous azalea Rhododendron 'Girard's Rose' - evergreen azalea Rhododendron 'Girard's Salmon' - evergreen azalea Rhododendron 'Girard's Scarlet' - evergreen azalea Rhododendron 'Golden Lights' - deciduous azalea Rhododendron 'Henry's Red' - rhododendron Rhododendron 'Herbert' - evergreen azalea Rhododendron 'Hershey's Red' - evergreen azalea Rhododendron 'Hilda Niblett' - azalea Rhododendron 'Hino-crimson' - evergreen azalea Rhododendron 'Homebush' - azalea Rhododendron 'Hoosier Peach' - azalea Rhododendron 'Hoosier Rose' - azalea Rhododendron indicum - azalea Rhododendron INKARHO LAKEVIEW PINK - rhododendron Rhododendron 'Jericho' - rhododendron

Rhododendron 'Jolie Madame' - azalea Rhododendron kaempferi 'Atlanta' - torch azalea Rhododendron 'Karens' - evergreen azalea Rhododendron 'Ken Janeck' - rhododendron Rhododendron 'Klondyke' - azalea Rhododendron 'Kurai-no-himo' - evergreen azalea Rhododendron 'Lace Valentine' - deciduous azalea Rhododendron 'Lavender Girl' - azalea Rhododendron luteum - pontic azalea Rhododendron maddenii subsp. crassum - rhododendron Rhododendron 'Martha Hitchcock' - evergreen azalea Rhododendron 'Mary Fleming' - rhododendron Rhododendron 'Mary Poppins' - azalea Rhododendron 'Maxecat' - rhododendron Rhododendron 'Mist Maiden' - rhododendron Rhododendron 'Moby Dick' - evergreen azalea Rhododendron 'Mrs. Henry Schroeder' - evergreen azalea Rhododendron 'Mrs. L.C. Fisher' - evergreen azalea Rhododendron 'Mrs. Nancy Dippel' - evergreen azalea Rhododendron mucronulatum 'Cornell Pink' - Korean rhododendron Rhododendron mucronulatum 'Deep Pink' - Korean rhododendron Rhododendron 'My Mary' - deciduous azalea Rhododendron myrtifolium - rhodendron Rhododendron 'Narcissiflorum' - deciduous azalea Rhododendron 'Nico' - evergreen azalea Rhododendron 'Norma' - azalea Rhododendron 'Northern Hi-Lights' - azalea Rhododendron × obtusum 'Amoenum' - evergreen azalea Rhododendron 'P.J.M. Elite' - rhododendron Rhododendron 'Palestrina' - semi-evergreen azalea Rhododendron periclymenoides - pinxterbloom azalea Rhododendron PJM Group - rhododendron Rhododendron 'Pleasant White' - azalea Rhododendron prinophyllum - roseshell azalea Rhododendron 'Purple Pride' - evergreen azalea Rhododendron 'Purple Splendour' - azalea Rhododendron 'Red Red' - evergreen azalea Rhododendron 'Renee Michelle' - evergreen azalea Rhododendron 'Robleja' AUTUMN SWEETHEART - evergreen azalea Rhododendron 'Robles' ENCORE AUTUMN LILAC - evergreen azalea Rhododendron 'Rosebud' - evergreen azalea Rhododendron 'Rosy Cheeks' - azalea Rhododendron schlippenbachii - deciduous azalea Rhododendron 'Schroeder's Lavender Rose' - evergreen azalea Rhododendron 'Sherwoodii' - azalea Rhododendron sinogrande - rhododendron Rhododendron smirnowii - smirnow rhododendron Rhododendron 'Soir de Paris' - deciduous azalea Rhododendron 'Solidarity' - rhododendron

Rhododendron 'St. Louis Blues' - azalea Rhododendron 'Stewartstonian' - azalea Rhododendron 'Sun Chariot' - rhododendron Rhododendron 'Sun Star' - evergreen azalea Rhododendron 'Treasure' - evergreen azalea Rhododendron 'Umpqua Queen' - deciduous azalea Rhododendron viscosum - swamp azalea Rhododendron 'White Cascade' - azalea Rhododendron 'Yaku Prince' - azalea Rhododendron yedoense var. poukhanense - Korean azalea Rhodotypos scandens - black jetbead Rhus aromatica - fragrant Rhus aromatica 'Gro-Low' - fragrant sumac Rhus chinensis - Chinese sumac Rhus copallinum - winged sumac Rhus copallinum var. latifolia - dwarf sumac Rhus copallinum var. latifolia 'Morton' PRAIRIE FLAME - dwarf sumac Rhus glabra - smooth sumac Rhus typhina - staghorn sumac Rhus typhina 'Bailtiger' TIGER EYES - staghorn sumac Rhus typhina 'Dissecta' - staghorn sumac Ribes alpinum - Alpine currant Ribes alpinum 'Green Mound' - Alpine currant Ribes aureum - buffalo currant Ribes × gordonianum - currant Ribes hybrid Ribes uva-crispa x R. nigrum - jostaberry Ribes missouriense - Missouri gooseberry Ribes nigrum 'Ben Sarek' - black currant Ribes odoratum - currant Ribes odoratum 'Crandall' - clove currant Ribes 'Poorman' - gooseberry Ribes rubrum 'Champagne Pink' - red currant Ribes rubrum 'Red Lake' - red currant Ribes rubrum 'Rovada' - red currant Ribes rubrum 'White Pearl' - currant Ribes uva-crispa 'Hinnonmäki Röd' - gooseberry Ribes uva-crispa 'Pixwell' - gooseberry Ribes uva-crispa var. reclinatum 'Invicta' - gooseberry Ribes 'Welcome' - gooseberry Ricinus communis - castor bean Robinia hispida - rose acacia Robinia pseudoacacia - black locust Robinia pseudoacacia 'Lace Lady' TWISTY BABY - black locust Robinia pseudoacacia 'Tortuosa' - black locust Robinia pseudoacacia 'Umbraculifera' - black locust Robinia 'Purple Robe' - black locust Rodgersia aesculifolia - rodgersia Rodgersia 'Big Mama' - rodgersia Rodgersia pinnata - rodgersia

Rodgersia podophylla - rodgersia Rodgersia sambucifolia - rodgersia Rosa 'Adharman' COMMANDANT COUSTEAU - hybrid tea rose Rosa 'Amiga Mia' - shrub rose Rosa 'Andeli' DOUBLE DELIGHT - hybrid tea rose Rosa 'Ausbord' GERTRUDE JEKYLL - shrub rose Rosa 'Ausday' THE ALEXANDRA ROSE - shrub rose Rosa 'Ausdir' TRADESCANT - shrub rose Rosa 'Auslilac' LILAC ROSE - shrub rose Rosa 'Ausmary' MARY ROSE - shrub rose Rosa 'Ausmas' GRAHAM THOMAS - shrub rose Rosa 'Ausroyal' WILLIAM SHAKESPEARE - shrub rose Rosa 'Aussemi' THE HERBALIST - shrub rose Rosa 'Baiore' POLAR JOY - shrub rose Rosa 'Ballerina' - hybrid musk rose Rosa banksiae 'Lutea' - banksia rose Rosa banksiae var. banksiae - banksian rose Rosa 'Benblack' BLACK JADE - miniature rose Rosa 'Blanc Double de Coubert' - hybrid rugosa rose Rosa 'Bobbie James' - hybrid wichurana rose Rosa 'Bucbi' CAREFREE BEAUTY - shrub rose Rosa carolina - Carolina rose Rosa 'Champlain' - kordesii rose Rosa 'Chewground' OSO EASY FRAGRANT SPREADER - shrub rose Rosa 'Chewmaytime' OSO EASY PAPRIKA - shrub rose Rosa 'Chewpeachdell' WHAT A PEACH - shrub rose Rosa 'Climbing Mademoiselle Cécile Brünner' - climbing polyantha rose Rosa 'Country Dancer' - shrub rose Rosa 'Dainty Bess' - hybrid tea rose Rosa 'Demokracie' BLAZE IMPROVED - large-flowered climbing rose Rosa 'Dolly Parton' - hybrid tea rose Rosa 'Don Juan' - large-flowered climbing rose Rosa DORTMUND - kordesii rose Rosa 'Doubloons' - large-flowered climbing rose Rosa 'Dreaming Spires' - large-flowered climbing rose Rosa EUROPEANA - floribunda rose Rosa 'Genpat' DAZZLER - mini-flora rose Rosa glauca - shrub rose Rosa GOLDEN SHOWERS - large-flowered climbing rose Rosa 'Golden Wings' - shrub rose Rosa 'Gruss an Aachen' - floribunda rose Rosa 'Hansa' - hybrid rugosa rose Rosa 'Hilaroma' SECRET - hybrid tea rose Rosa 'Interdust' SUN RUNNER - shrub rose Rosa 'JACarque' HONEY PERFUME - floribunda rose Rosa 'Jaccasp' HAPPY TRAILS - miniature rose Rosa 'Jaccofl' BRASS BAND - floribunda rose Rosa 'Jacmouse' DISNEYLAND - floribunda rose Rosa 'Jacopper' VETERANS' HONOR - hybrid tea rose

Rosa 'Jacpurr' PURPLE TIGER - floribunda rose Rosa 'Jacruwhi' WILD SPICE - rugosa rose Rosa 'Jactosam' HABITAT FOR HUMANITY - floribunda rose Rosa 'Jacwypin' CHANGE OF HEART - hybrid tea rose Rosa 'Jacyap' ANNE MORROW LINDBERGH - hybrid tea rose Rosa 'Jaczeeze' FRAGRANT WAVE - floribunda rose Rosa 'Jaczeman' SUNDANCE - hybrid tea rose Rosa 'Jeanne Lajoie' - climbing miniature rose Rosa 'Korbilant' PAROLE - hybrid tea rose Rosa 'Korbin' ICEBERG - floribunda rose Rosa 'Korconta' MOON RIVER - shrub rose Rosa 'Korfullwind' BABY BLANKET - shrub rose Rosa 'Korpancom' ELECTRIC BLANKET - floribunda rose Rosa laevigata - Cherokee rose Rosa 'Lawrence Johnston' - large-flowered climbing rose Rosa 'Marchesa Boccella' - hybrid perpetual rose Rosa 'Meibrinpay' ABBAYE DE CLUNY - hybrid tea rose Rosa 'Meicoublan' WHITE MEIDILAND - shrub rose Rosa 'Meidomonac' BONICA - shrub rose Rosa 'Meilavio' TRAVIATA - hybrid tea rose Rosa 'Meineble' RED MEIDILAND - shrub rose Rosa 'Meipitac' CAREFREE WONDER - shrub rose Rosa 'Meirevolt' TOULOUSE-LAUTREC - hybrid tea rose Rosa 'Meiroupis' COLETTE - large-flowered climbing rose Rosa 'Meivildo' ROYAL BROMPTON ROSE - hybrid tea rose Rosa 'Meizalitaf' SPECTRA - large-flowered climbing rose Rosa 'Meizeli' THE MCCARTNEY ROSE - hybrid tea rose Rosa MISTER LINCOLN - hybrid tea rose Rosa 'Morclassic' MOORE'S CLASSIC PERPETUAL - shrub rose Rosa 'Morten' LINDA CAMPBELL - hybrid rugosa rose Rosa 'Mrs. Anthony Waterer' - hybrid rugosa rose Rosa multiflora - Japanese rose Rosa multiflora 'Grevillei' - seven sisters' rose Rosa 'Mutabilis' - China rose Rosa 'Nearly Wild' - floribunda rose Rosa '' - hybrid moyesii rose Rosa 'New Dawn' - large-flowered climbing rose Rosa 'Noare' RED FLOWER CARPET - shrub rose Rosa 'Paloma Blanca' - shrub rose Rosa palustris - swamp rose Rosa 'Peace' - hybrid tea rose Rosa 'Perfume Delight' - hybrid tea rose Rosa 'Prose' BURGUNDY ICEBERG - floribunda rose Rosa QUEEN ELIZABETH - grandiflora rose Rosa 'Quietness' - shrub rose Rosa 'Radcon' PINK KNOCK OUT - shrub rose Rosa 'Radcor' RAINBOW KNOCK OUT - shrub rose Rosa 'Radrazz' KNOCK OUT - shrub rose Rosa 'Radsun' CAREFREE SUNSHINE - shrub rose

Rosa 'Radsunsar' CLIMBING CAREFREE SUNSHINE - shrub rose Rosa 'Radyod' BLUSHING KNOCKOUT - shrub rose Rosa 'Red Cascade' - climbing miniature rose Rosa rubiginosa - sweet briar rose Rosa rugosa - Japanese rose Rosa rugosa 'Alba' - Japanese rose Rosa 'Ruimired' RED MINIMO - miniature rose Rosa 'Savaclend' CLIMBING RAINBOW'S END - miniature rose Rosa 'Savacon' CONSTELLATION - miniature rose Rosa 'Savagood' GOOD MORNING AMERICA - miniature rose Rosa 'Savahalo' GOLDEN HALO - miniature rose Rosa 'Savamor' SCENTSATIONAL - miniature rose Rosa 'Savanade' PACIFIC SERENADE - miniature rose Rosa 'Savanight' OVERNIGHT SCENTSATION - mini-flora rose Rosa 'Savapace' PACESETTER - miniature rose Rosa 'Savared' RED SCENTSATION - miniature rose Rosa 'Savasach' SACHET - miniature rose Rosa 'Savaseat' SEATTLE SCENTSATION - miniature rose Rosa 'Savasweet' SPICE DROP - miniature rose Rosa 'Savaweek' JULIE ANN - miniature rose Rosa 'Savawire' LIVE WIRE - miniature rose Rosa 'Schneekoppe' SNOW PAVEMENT - hybrid rugosa rose Rosa 'Scrivjean' OSO EASY HONEY BUN - shrub rose Rosa 'Scrivluv' BABY LOVE - miniature rose Rosa SEA SHELL THRIVE - shrub rose Rosa setigera - species rose Rosa 'Sir Thomas Lipton' - hybrid rugosa rose Rosa 'Sombreuil' - climbing tea rose Rosa 'Tanellis' FRAGRANT CLOUD - hybrid tea rose Rosa 'The Fairy' - polyantha rose Rosa 'Thérèse Bugnet' - hybrid rugosa rose Rosa TRIER - hybrid multiflora rose Rosa 'Veilchenblau' - hybrid multiflora rose Rosa 'Wekblunez' MEMORIAL DAY - hybrid tea rose Rosa 'Wekisoblip' WILD BLUE YONDER - grandiflora rose Rosa 'Wekpaltlez' HOT COCOA - floribunda rose Rosa 'Wekplapep' SCENTIMENTAL - floribunda rose Rosa 'Wekplapic' BETTY BOOP - floribunda rose Rosa 'Wekroalt' FOURTH OF JULY - large-flowered climbing rose Rosa WHITE DAWN - large-flowered climbing rose Rosa 'William Baffin' - kordesii rose Rosa xanthina - Manchu rose Rosa 'Zéphirine Drouhin' - bourbon rose Rosa 'Zlemartincipar' CANDY OH! VIVID RED - landscape shrub rose Rosa 'Zlesak Poly3' OSO HAPPY SMOOTHIE - rose Roscoea auriculata 'Beesiana' - roscoea Roscoea cautleyoides - roscoea Roscoea humeana - roscoea Rosmarinus officinalis - rosemary

Rosmarinus officinalis 'Arp' - rosemary Rosmarinus officinalis 'Renzels' IRENE - rosemary Rosmarinus officinalis 'Salem' - rosemary Rosmarinus officinalis 'Sawyer's Select' - rosemary Rosmarinus officinalis 'Spice Islands' - rosemary Rosmarinus officinalis 'Well-Sweep Golden' - rosemary Rubus biflorus - raspberry Rubus 'Bristol' - raspberry Rubus fruticosus 'Chester' - blackberry Rubus henryi var. bambusarum - rubus Rubus idaeus 'Aureus' - raspberry Rubus idaeus 'Fallgold' - raspberry Rubus idaeus 'Heritage' - red raspberry Rubus idaeus 'Improved Titan' - raspberry Rubus idaeus 'Kiwigold' - everbearing raspberry Rubus idaeus 'Taylor' - raspberry Rubus 'Illini Hardy' - blackberry Rubus 'Latham' - red raspberry Rubus 'Munger' - raspberry Rubus 'Navaho' - blackberry Rubus odoratus - flowering raspberry Rubus parviflorus - thimbleberry Rubus 'Triple Crown' - blackberry Rudbeckia fulgida - black-eyed Susan Rudbeckia fulgida 'Blovi' VIETTE'S LITTLE SUZY - black-eyed Susan Rudbeckia fulgida 'City Garden' - black-eyed Susan Rudbeckia fulgida 'Early Bird Gold' - black-eyed Susan Rudbeckia fulgida var. sullivantii - black-eyed Susan Rudbeckia fulgida var. sullivantii 'Goldsturm' - black-eyed Susan Rudbeckia grandiflora 'Sundance' - coneflower Rudbeckia 'Herbstsonne' - coneflower Rudbeckia hirta - black-eyed Susan Rudbeckia hirta 'Autumn Colors' - black-eyed Susan Rudbeckia hirta 'Indian Summer' - black-eyed Susan Rudbeckia hirta 'Irish Spring' - black-eyed Susan Rudbeckia hirta 'Moreno' - black-eyed Susan Rudbeckia hirta 'Prairie Sun' - black-eyed Susan Rudbeckia laciniata - cutleaf coneflower Rudbeckia laciniata 'Hortensia' - cutleaf coneflower Rudbeckia maxima - large coneflower Rudbeckia missouriensis - Missouri coneflower Rudbeckia occidentalis 'Black Beauty' - coneflower Rudbeckia occidentalis 'Green Wizard' - coneflower Rudbeckia subtomentosa - sweet coneflower Rudbeckia subtomentosa 'Henry Eilers' - sweet coneflower Rudbeckia 'Summerblaze' - coneflower Rudbeckia triloba - brown-eyed Susan Ruellia humilis - wild petunia Ruellia simplex - Mexican petunia

Ruellia simplex 'Katie' - ruellia Ruellia simplex 'Purple Showers' - Mexican petunia Ruellia squarrosa - ruellia Ruellia strepens - wild petunia Rumex acetosa - sorrel Rumex sanguineus - red-veined dock Rumex sanguineus var. sanguineus - red-veined dock Ruscus aculeatus - piaranthus Russelia equisetiformis - coral plant - rue Sabal etonia - scrub palmetto Sabal minor - dwarf palmetto Saccharum officinarum - sugar cane Saccharum ravennae - plume grass Sagittaria australis 'Benni' SILK STOCKINGS - arrowhead Sagittaria graminea - arrowhead Sagittaria latifolia - broadleaf arrowhead Saintpaulia ionantha - African violet Salix alba - white willow Salix alba subsp. vitellina 'Britzensis' - coral willow Salix alba 'Tristis' - white willow Salix alba var. vitellina - golden willow Salix arbuscula - mountain willow Salix babylonica - babylon weeping willow Salix babylonica var. pekinensis 'Pendula' - weeping willow Salix caprea - pussy willow Salix daphnoides - violet willow Salix discolor - pussy willow Salix gracilistyla 'Melanostachys' - black pussy willow Salix integra 'Hakuro-nishiki' - dappled willow Salix lapponum - downy willow Salix matsudana 'Tortuosa' - dragon's claw willow Salix nakamurana var. yezoalpina - willow Salix nigra - black willow Salix × pendulina - weeping willow Salix purpurea 'Nana' - purple willow Salix repens 'Iona' - creeping willow Salix 'Rubykins' - willow Salix udensis 'Sekka' - willow Salpiglossis group - salpiglossis Salvia argentea - silver sage Salvia argentea 'Artemis' - silver sage Salvia azurea - blue sage Salvia azurea 'Nekan' - blue sage Salvia azurea var. grandiflora - blue sage Salvia candelabrum - candelabrum sage Salvia coccinea 'Forest Fire' - Texas sage Salvia elegans - pineapple sage Salvia elegans 'Golden Delicious' - pineapple sage

Salvia 'Eveline' - sage Salvia farinacea - mealycup sage Salvia farinacea 'Victoria Blue' - mealycup sage Salvia greggii 'Wild Thing' - autumn sage Salvia guaranitica - anise-scented sage Salvia guaranitica 'Black and Blue' - anise-scented sage Salvia koyamae - sage Salvia leucantha - Mexican bush sage Salvia lyrata - cancer weed Salvia nemorosa 'Caradonna' - sage Salvia nemorosa 'Lubecca' - sage Salvia nemorosa 'Marcus' - sage Salvia nemorosa 'New Dimension Blue' - sage Salvia nemorosa 'New Dimension Rose' - sage Salvia nemorosa 'Ostfriesland' EAST FRIESLAND - meadow sage Salvia nemorosa 'Pusztaflamme' PLUMOSA - sage Salvia nemorosa 'Rosenwein' ROSE WINE - sage Salvia nemorosa 'Schwellenburg' - sage Salvia nemorosa 'Sensation Rose' - sage - common sage Salvia officinalis 'Aurea' - common sage Salvia officinalis 'Berggarten' - common sage Salvia officinalis 'Purpurascens' - common sage Salvia officinalis 'Sage of Bath' - common sage Salvia officinalis 'Tricolor' - common sage Salvia penstemonoides - big red sage Salvia pratensis - meadow sage Salvia pratensis 'Swan Lake' - meadow sage Salvia RASPBERRY DELIGHT - sage Salvia splendens - scarlet sage Salvia × superba 'Adora Blue' - sage Salvia × superba 'Merleau' - sage Salvia × sylvestris 'Blauhügel' BLUE HILL - wood sage Salvia × sylvestris 'Lye End' - wood sage Salvia × sylvestris 'Mainacht' MAY NIGHT - wood sage Salvia × sylvestris 'Rhapsody in Blue' - wood sage Salvia × sylvestris 'Rose Queen' - wood sage Salvia × sylvestris 'Schneehügel' SNOW HILL - wood sage Salvia × sylvestris 'Viola Klose' - wood sage Salvia transsylvanica - sage Salvia transsylvanica 'Blue Cloud' - sage Salvia 'Ultra Violet' - sage Salvia verticillata - lilac sage Salvia verticillata 'Alba' - lilac sage Salvia verticillata 'Purple Rain' - lilac sage Salvinia natans - salvinia canadensis - American elder Sambucus canadensis 'Aurea' - American elder Sambucus canadensis 'Laciniata' - American elderberry

Sambucus nigra - black elder Sambucus nigra 'Eva' BLACK LACE - black elder Sambucus nigra 'Gerda' BLACK BEAUTY - black elder Sambucus nigra 'Guincho Purple' - black elder Sambucus nigra subsp. cerulea - blue elder Sambucus nigra 'Witches Broom' - black elder Sanguinaria canadensis - bloodroot Sanguisorba minor - burnet Sanguisorba officinalis - greater burnet Sanicula caerulescens - blue sanicle Sansevieria trifasciata - mother-in-law's tongue Santolina chamaecyparissus - lavender cotton Sanvitalia procumbens - creeping zinnia Sapindus drummondii - western soapberry Sapium sebiferum - Chinese tallow tree Saponaria × lempergii 'Max Frei' - soapwort Saponaria officinalis 'Flore Pleno' - soapwort Sarcococca hookeriana - sweet box Sarcococca hookeriana var. humilis - sweet box Sarcococca ruscifolia - fragrant sweet box Sarracenia × catesbaei - hybrid pitcher plant Sarracenia 'Dixie Lace' - pitcher plant Sarracenia flava - yellow trumpet pitcher plant Sarracenia flava 'Giant Red Tube' - pitcher plant Sarracenia 'Judith Hindle' - pitcher plant Sarracenia 'Ladies in Waiting' - pitcher plant Sarracenia leucophylla - white trumpet pitcher plant Sarracenia minor - hooded pitcher plant Sarracenia oreophila - pitcher plant Sarracenia purpurea subsp. venosa - purple pitcher plant Sarracenia rubra subsp. jonesii - sweet pitcher plant Saruma henryi - upright wild ginger albidum - sassafras montana - winter savory Saururus cernuus - lizard's tail Saururus chinensis - lizard's tail Saxifraga paniculata subsp. paniculata - lifelong saxifrage Saxifraga stolonifera - creeping saxifrage Scabiosa atropurpurea 'Beaujolais Bonnets' - pincushion flower Scabiosa 'Butterfly Blue' - pincushion flower Scabiosa caucasica - pincushion flower Scabiosa caucasica 'Kompliment' - pincushion flower Scabiosa caucasica Perfecta Series - pincushion flower Scabiosa caucasica var. alba - pincushion flower Scabiosa 'Fama White' - pincushion flower Scabiosa 'Giant Blue' - pincushion flower Scabiosa 'Grand Stone' - pincushion flower Scabiosa japonica 'Blue Diamonds' - pincushion flower Scabiosa 'Pink Mist' - pincushion flower

Scabiosa superba 'Mongolian Mist' - pincushion flower Scabiosa 'Ultra Violet' - pincushion flower Scabiosa 'Vivid Violet' - pincushion flower Scadoxus multiflorus - African blood lily Scaevola aemula - fan flower Scaevola aemula 'Blue Wonder' - fan flower Scaevola taccada - beach cabbage Schefflera actinophylla - Australian ivy-palm Schefflera arboricola - umbrella plant Schefflera elegantissima - false aralia Schinus terebinthifolius - Brazillian pepper tree Schisandra rubriflora - schisandra Schizachyrium scoparium - little bluestem Schizachyrium scoparium 'Blaze' - little bluestem Schizachyrium scoparium 'Glaucum' - little bluestem Schizachyrium scoparium 'Jazz' - little bluestem Schizachyrium scoparium 'MinnblueA' BLUE HEAVEN - little bluestem Schizachyrium scoparium 'Prairie Blues' - little bluestem Schizachyrium scoparium 'The Blues' - little bluestem Schizanthus pinnatus - poor man's orchid Schizophragma hydrangeoides - Japanese hydrangea vine Schizophragma hydrangeoides 'Moonlight' - Japanese hydrangea vine Schizophragma hydrangeoides 'Roseum' - Japanese hydrangea vine Schizostylis coccinea - crimson flag lily Schlumbergera truncata - Christmas Schoenoplectus lacustris subsp. tabernaemontani 'Zebrinus' - club rush Schoenoplectus tabernaemontani - softstem bulrush Sciadopitys verticillata - umbrella pine Scilla bifolia - scilla Scilla bifolia 'Rosea' - scilla Scilla siberica - Siberian squill Scilla siberica 'Spring Beauty' - Siberian squill Scirpus atrovirens - green bulrush Scirpus cyperinus - wool grass Scrophularia marilandica - figwort Scutellaria incana - skullcap Scutellaria ovata - heart-leaved skullcap Scutellaria resinosa 'Smoky Hills' - skullcap Scutellaria suffrutescens - skullcap Sedum 'African Sunset' - stonecrop Sedum album - white stonecrop Sedum album 'Coral Carpet' - white stonecrop Sedum album 'Orange Ice' - white stonecrop Sedum album subsp. teretifolium 'Murale' - white stonecrop Sedum bithynicum 'Sea Stars' - Turkish sedum Sedum 'Blue Spruce' - stonecrop Sedum 'Chocolate Drop' - stonecrop Sedum confusum - lesser Mexican stonecrop Sedum erythrostictum 'Frosty Morn' - stonecrop

Sedum erythrostictum 'Mediovariegatum' - stonecrop Sedum fosterianum 'Oracle' - stonecrop Sedum 'Garnet Brocade' - stonecrop Sedum 'Hopewell' - stonecrop Sedum kamtschaticum var. ellacombeanum - orange stonecrop Sedum kamtschaticum var. floriferum 'Weihenstephaner Gold' - orange stonecrop Sedum 'Lime Zinger' SUNSPARKLER - stonecrop Sedum lineare - stonecrop Sedum lineare 'Variegatum' - stonecrop Sedum 'Maestro' - stonecrop Sedum makinoi 'Ogon' - stonecrop Sedum 'Mr. Goodbud' - autumn stonecrop Sedum pallidum var. bithynicum - stonecrop Sedum 'Plum Perfection' - stonecrop Sedum pulchellum - widow's cross Sedum 'Purple Emperor' - stonecrop Sedum 'Rosy Glow' - stonecrop Sedum rupestre - stonecrop Sedum rupestre 'Angelina' - stonecrop Sedum sexangulare - tasteless stonecrop Sedum spurium - Caucasian stonecrop Sedum spurium 'Album Superbum' - Caucasian stonecrop Sedum spurium 'Bronze Carpet' - Caucasian stonecrop Sedum spurium 'Fuldaglut' - Caucasian stonecrop Sedum spurium 'John Creech' - Caucasian stonecrop Sedum spurium 'Red Carpet' - Caucasian stonecrop Sedum spurium 'Schorbuser Blut' DRAGON'S BLOOD - Caucasian stonecrop Sedum spurium 'Tricolor' - Caucasian stonecrop Sedum spurium 'Voodoo' - stonecrop Sedum ternatum - three-leaved stonecrop Sedum tetractinum 'Coral Reef' - Chinese sedum Sedum 'Thundercloud' - stonecrop Sempervivum tectorum - house leek Senecio cineraria - dusty miller Senna alata - seven golden candlesticks Senna marilandica - wild senna Sequoia sempervirens - coast redwood Sequoiadendron giganteum - giant sequoia Serissa japonica - snowrose Serissa japonica 'Kowloon' - snowrose Seseli gummiferum - moon carrot Sesleria autumnalis - autumn moor grass Sesleria caerulea - blue moor grass fallax - ilima Sidalcea 'Elsie Heugh' - checkerbloom Sidalcea 'Party Girl' - prairie mallow Sideroxylon lanuginosum - chittamwood Silene armeria - garden catchfly Silene caroliniana - wild pink

Silene dioica 'Clifford Moor' - red campion Silene regia - royal catchfly Silene stellata - starry campion Silene uniflora 'Robin Whitebreast' - campion Silene virginica - fire pink Silene vulgaris - bladder campion Silphium gracile - slender rosinweed Silphium integrifolium - rosinweed Silphium laciniatum - compass plant Silphium perfoliatum - cup plant Silphium terebinthinaceum - prairie dock Silybum marianum - blessed thistle Sinningia speciosa - gloxinia Sinojackia rehderiana - jacktree Sinojackia xylocarpa - jack tree Sinowilsonia henryi - sinowilsonia Sisymbrium luteum - sisymbrium Sisyrinchium angustifolium - blue-eyed grass Sisyrinchium angustifolium 'Lucerne' - blue-eyed grass Sisyrinchium californicum - yellow-eyed grass Sisyrinchium campestre - prairie blue-eyed grass Sisyrinchium 'E. K. Balls' - sisyrinchium Sisyrinchium 'Quaint and Queer' - sisyrinchium Sisyrinchium striatum - sisyrinchium Sium suave - water parsnip Skimmia japonica - japanese skimmia Smilax hispida - sarsaparilla plant Solanum crispum - nightshade Solanum mammosum - lady nipples Solanum melongena - eggplant Solanum tuberosum - potato Soleirolia soleirolii - baby's tears Solenostemon scutellarioides - coleus Solidago caesia - blue stem goldenrod Solidago canadensis - Canadian goldenrod Solidago 'Crown of Rays' - goldenrod Solidago cutleri 'Goldrush' - goldenrod Solidago 'Dansolitlem' LITTLE LEMON - goldenrod Solidago drummondii - goldenrod Solidago 'Early Bird' - goldenrod Solidago flexicaulis - broad leaf goldenrod Solidago gattingeri - goldenrod Solidago gigantea - early goldenrod Solidago 'Gold Spangles' - goldenrod Solidago 'Goldkind' GOLDEN BABY - goldenrod Solidago hispida - goldenrod Solidago juncea - early goldenrod Solidago 'Leraft' - goldenrod Solidago nemoralis - old field goldenrod

Solidago odora - sweet goldenrod Solidago ouachitensis - Ouachita Mountain goldenrod Solidago 'Peter Pan' - goldenrod Solidago riddellii - goldenrod Solidago rigida - goldenrod Solidago rugosa - rough goldenrod Solidago rugosa 'Fireworks' - rough goldenrod Solidago shortii - short's goldenrod Solidago shortii 'Solar Cascade' - short's goldenrod Solidago speciosa - goldenrod Solidago sphacelata 'Golden Fleece' - goldenrod Solidago stricta - goldenrod Solidago ulmifolia - elm-leaved goldenrod Solidago virgaurea subsp. minuta - goldenrod Solidago 'Wichita Mountains' - goldenrod × Solidaster luteus 'Lemore' - solidaster Sophora davidii - sophora Sophora japonica - Japanese pagoda tree Sophora japonica 'Pendula' - Japanese pagoda tree Sophora japonica 'Regent' - Japanese pagoda tree Sorbaria grandiflora - false spiraea Sorbaria sorbifolia - false spiraea Sorbus alnifolia - mountain ash Sorbus americana - American mountain ash Sorbus aucuparia - common mountain ash Sorbus torminalis - wild service tree Sorghastrum nutans - Indian grass Sorghastrum nutans 'Bluebird' - Indian grass Sorghastrum nutans 'Indian Steel' - Indian grass Sorghastrum nutans 'Sioux Blue' - Indian grass Sorghastrum nutans 'St. Louis' - Indian grass Sorghum bicolor - sorghum Spartina pectinata - prairie cord grass Spartium junceum - Spanish broom Spathiphyllum group - peace lily Spathodea campanulata - African tulip Spigelia marilandica - Indian pink Spinacia oleracea - spinach Spiraea alba - meadowsweet Spiraea betulifolia - spirea Spiraea betulifolia 'Tor' - spirea Spiraea crenata - scalloped spirea Spiraea 'Darsnorm' SNOW STORM - spirea Spiraea decumbens - spirea Spiraea douglasii - rose spirea Spiraea fritschiana - spirea Spiraea fritschiana 'Pink Parasols' - spirea Spiraea hypericifolia - Iberian spirea Spiraea japonica - Japanese spirea

Spiraea japonica 'Anthony Waterer' - Japanese spirea Spiraea japonica 'Bumalda' - Japanese spirea Spiraea japonica 'Crispa' - Japanese spiraea Spiraea japonica 'Froebelii' - Japanese spirea Spiraea japonica 'Gold Mound' - Japanese spirea Spiraea japonica 'Golden Elf' - Japanese spirea Spiraea japonica 'Goldflame' - Japanese spirea Spiraea japonica 'Lemon Princess' - Japanese spirea Spiraea japonica 'Limemound' - Japanese spiraea Spiraea japonica 'Lisp' GOLDEN PRINCESS - Japanese spirea Spiraea japonica 'Little Princess' - Japanese spirea Spiraea japonica 'Nana' - Japanese spirea Spiraea japonica 'Norman' - Japanese spirea Spiraea japonica var. albiflora - Japanese spirea Spiraea japonica 'Yan' DOUBLE PLAY GOLD - Japanese spirea Spiraea media - spirea Spiraea media 'SMSMBK' DOUBLE PLAY BLUE KAZOO - spirea Spiraea nipponica 'Snowmound' - spirea Spiraea nipponica var. tosaensis - spirea Spiraea prunifolia - bridal wreath spiraea Spiraea thunbergii - spirea Spiraea thunbergii 'Ogon' - spirea Spiraea tomentosa - steeplebush Spiraea trilobata 'Swan Lake' - spirea Spiraea × vanhouttei - spirea Spiranthes odorata - common ladies' tresses Spiranthes odorata 'Chadds Ford' - orchid Spodiopogon sibiricus - frost grass Sporobolus heterolepis - prairie dropseed Sporobolus heterolepis 'Tara' - prairie dropseed byzantina - lambs' ears Stachys byzantina 'Big Ears' - lamb's ear Stachys byzantina 'Cotton Boll' - lamb's ear Stachys byzantina 'Fuzzy Wuzzy' - lamb's ears Stachys byzantina 'Primrose Heron' - lamb's ears Stachys byzantina 'Silky Fleece' - lambs' ears Stachys byzantina 'Silver Carpet' - lamb's ears Stachys byzantina 'Striped Phantom' - lamb's ears Stachys macrantha - big betony Stachys macrantha 'Superba' - big betony Stachys maxima - betony Stachys minor - little betony Stachys monieri - betony Stachys officinalis - bishop's wort Stachys officinalis 'Hummelo' - betony Stachys officinalis 'Pink Cotton Candy' - betony Stachys 'Sentimental Journey' - betony Stachys spathulata - betony Stachyurus praecox - stachyurus

Stapelia gigantea - starfish flower Staphylea bumalda - bladdernut Staphylea colchica - bladdernut Staphylea pinnata - European bladdernut Staphylea trifolia - bladdernut Stephanandra incisa 'Crispa' - lace shrub Stephanandra tanakae - stephanandra Stephanotis floribunda - Madagascar jasmine Sternbergia lutea - autumn daffodil rebaudiana - sweetleaf Stewartia ovata - mountain camellia Stewartia pseudocamellia - Japanese stewartia Stipa capillata - needle grass Stokesia laevis - Stokes' aster Stokesia laevis 'Alba' - Stokes' aster Stokesia laevis 'Blue Danube' - Stokes' aster Stokesia laevis 'Colorwheel' - Stokes' aster Stokesia laevis 'Klaus Jelitto' - Stokes' aster Stokesia laevis 'Mary Gregory' - Stokes' aster Stokesia laevis 'Omega Skyrocket' - Stokes' aster Stokesia laevis 'Peach Melba' - Stokes' aster Stokesia laevis 'Peachie's Pick' - Stokes' aster Stokesia laevis 'Purple Parasols' - Stokes' aster Stokesia laevis 'Purple Pixie' - Stokes' aster Stokesia laevis 'Silver Moon' - Stokes' aster Stokesia laevis 'Wyoming' - Stokes' aster Stranvaesia davidiana var. davidiana - Chinese photinia Stranvaesia davidiana var. davidiana 'Palette' - Chinese photinia Strelitzia reginae - bird of paradise Streptocarpus group - Cape primrose Strobilanthes dyerianus - Persian shield Stylophorum diphyllum - celandine poppy Stylophorum lasiocarpum - stylophorum Styrax americanus - American snowbell Styrax japonicus - snowbell Styrax japonicus Benibana Group 'Pink Chimes' - snowbell Styrax japonicus 'Carillon' - Japanese snowbell Styrax obassia - fragrant snowbell Swietenia mahagoni - mahogany Symphoricarpos albus - snowberry Symphoricarpos × chenaultii - snowberry Symphoricarpos × chenaultii 'Hancock' - snowberry Symphoricarpos × doorenbosii 'Kordes' AMETHYST - coral berry Symphoricarpos orbiculatus - coralberry Symphyotrichum anomalum - aster Symphyotrichum cordifolium - blue wood aster Symphyotrichum ericoides - heath aster Symphyotrichum ericoides 'Blue Star' - heath aster Symphyotrichum ericoides 'Snow Flurry' - heath aster

Symphyotrichum laeve - smooth aster Symphyotrichum laeve 'Bluebird' - smooth aster Symphyotrichum lateriflorum 'Lady in Black' - calico aster Symphyotrichum novae-angliae - New aster Symphyotrichum novae-angliae 'Andenken an Alma Pötschke' - aster Symphyotrichum novae-angliae 'Honeysong Pink' - New England aster Symphyotrichum novae-angliae 'Purple Dome' - New England aster Symphyotrichum novae-angliae 'Purple Pixie' - New England aster Symphyotrichum novae-angliae 'Roter Stern' - New England aster Symphyotrichum novi-belgii 'Blue Lagoon' - michaelmas daisy Symphyotrichum novi-belgii 'Peter Harrison' - michaelmas daisy Symphyotrichum novi-belgii 'Peter Pan' - michaelmas daisy Symphyotrichum novi-belgii 'Professor Anton Kippenburg' - michaelmas daisy Symphyotrichum novi-belgii 'Tiny Tot' - michaelmas daisy Symphyotrichum oblongifolium - aromatic aster Symphyotrichum oblongifolium 'October Skies' - aromatic aster Symphyotrichum oolentangiense - skyblue aster Symphyotrichum patens - spreading aster Symphyotrichum puniceum - glossy-leaved aster Symphyotrichum turbinellum - aster Symphytum asperum - Persian comfrey Symphytum 'Goldsmith' - comfrey Symphytum grandiflorum - comfrey Symphytum 'Hidcote Blue' - comfrey Symphytum officinale - comfrey Symphytum × uplandicum - comfrey Symphytum × uplandicum 'Axminster Gold' - comfrey Symphytum × uplandicum 'Variegatum' - comfrey Symplocos paniculata - sapphire berry Syneilesis aconitifolia - syneilesis Syneilesis palmata - syneilesis Syngonium podophyllum - arrowhead plant Syringa 'Bailbelle' TINKERBELLE - lilac Syringa × chinensis - Chinese lilac Syringa × chinensis 'Lilac Sunday' - lilac Syringa meyeri - lilac Syringa meyeri 'Palibin' - lilac Syringa meyeri var. spontanea - lilac Syringa oblata - lilac Syringa 'Penda' BLOOMERANG - lilac Syringa × persica - Persian lilac Syringa pubescens subsp. microphylla - lilac Syringa pubescens subsp. microphylla 'Superba' - lilac Syringa pubescens subsp. patula 'Miss Kim' - Manchurian lilac Syringa reticulata - Japanese tree lilac Syringa reticulata 'Ivory Silk' - Japanese tree lilac Syringa reticulata subsp. amurensis - Amur lilac Syringa reticulata subsp. pekinensis - Chinese tree lilac Syringa villosa - late lilac

Syringa vulgaris - common lilac Syringa vulgaris 'Agincourt Beauty' - common lilac Syringa vulgaris 'Andenken an Ludwig Spath' - common lilac Syringa vulgaris 'Avalanche' - common lilac Syringa vulgaris 'Charles Joly' - common lilac Syringa vulgaris 'Krasavitsa Moskvy' BEAUTY OF MOSCOW - common lilac Syringa vulgaris 'Little Boy Blue' - common lilac Syringa vulgaris 'Marie Frances' - common lilac Syringa vulgaris 'Monge' - common lilac Syringa vulgaris 'Sensation' - common lilac Syringa vulgaris 'Wedgwood Blue' - common lilac Tabebuia rosea - tabebuia Tacca integrifolia - bat plant Tagetes erecta - African marigold Tagetes patula - French marigold Taiwania cryptomerioides - taiwania Talinum calycinum - fameflower Tamarindus indica - Tamarix ramosissima - tamarisk Tanacetum coccineum - painted daisy Tanacetum haradjanii - tanacetum Tanacetum macrophyllum - tansy Tanacetum parthenium 'Aureum' - feverfew Tanacetum vulgare - golden buttons Tanacetum vulgare 'Isla Gold' - gold leaf tansy Tapeinochilos ananassae - pineapple ginger Taxodium distichum 'Cascade Falls' - bald cypress Taxodium distichum 'Mickelson' SHAWNEE BRAVE - bald cypress Taxodium distichum 'Pendens' - bald cypress Taxodium distichum 'Peve Minaret' - bald cypress Taxodium distichum 'Peve Yellow' - bald cypress Taxodium distichum var. distichum - bald cypress Taxodium distichum var. imbricarium - pond cypress Taxodium distichum var. imbricarium 'Nutans' - pond cypress Taxodium 'Zhongshansa' NANJING BEAUTY - cypress Taxus baccata - English yew Taxus baccata 'Amersfoort' - English yew Taxus baccata 'Standishii' - English yew Taxus baccata 'Stove Pipe' - yew Taxus baccata 'Watnong Gold' - English yew Taxus cuspidata - Japanese yew Taxus cuspidata 'Bright Gold' - Japanese yew Taxus cuspidata 'Capitata' - Japanese yew Taxus cuspidata 'Columnaris' - Japanese yew Taxus cuspidata 'Densa' - Japanese yew Taxus cuspidata 'Monloo' EMERALD SPREADER - Japanese yew Taxus cuspidata 'Nana Aurescens' - Japanese yew Taxus cuspidata var. nana - Japanese yew Taxus × media - yew

Taxus × media 'Beanpole' - yew Taxus × media 'Brownii' - yew Taxus × media 'Citation' - yew Taxus × media 'Densiformis' - yew Taxus × media 'Everlow' - yew Taxus × media 'Flushing' - yew Taxus × media 'Gwen' - yew Taxus × media 'Hatfieldii' - yew Taxus × media 'Hicksii' - yew Taxus × media 'Nigra' - yew Taxus × media 'Smokestack' - yew Taxus × media 'Taunton' - yew Taxus × media 'Wardii' - yew Tecoma stans - yellow bells Tecoma stans GOLD STAR - yellow bells Tectona grandis - teak Telekia speciosa - ox-eye daisy Tellima grandiflora - fringe cup Tephrosia virginiana - goat's rue Terminalia catappa - tropical almond Tetracentron sinense - tetracentron Tetradium daniellii - bee bee tree Tetragonia tetragonoides - New Zealand spinach Tetrapanax papyriferum - rice-paper plant Teucrium aroanium - germander Teucrium canadense - American germander Teucrium chamaedrys - wall germander Teucrium pyrenaicum - germander Thalia dealbata - thalia Thalictrum aquilegiifolium - meadow rue Thalictrum buschianum - meadow rue Thalictrum dasycarpum - meadow rue Thalictrum delavayi - meadow rue Thalictrum delavayi 'Hewitt's Double' - meadow rue Thalictrum dioicum - early meadow-rue Thalictrum flavum 'Illuminator' - yellow meadow rue Thalictrum flavum subsp. flavum - yellow meadow rue Thalictrum flavum subsp. glaucum - yellow meadow rue Thalictrum foetidum - yellow meadow rue Thalictrum kiusianum - meadow rue Thalictrum minus 'Adiantifolium' - meadow rue Thalictrum pubescens - thalictrum Thalictrum rochebruneanum - meadow rue Thalictrum simplex - meadow rue Thalictrum squarrosum - meadow rue Thaspium trifoliatum - purple meadow parsnip Thelypteris palustris - marsh fern Theobroma cacao - cacao Thermopsis villosa - Carolina lupine

Thevetia peruviana - yellow oleander Thuja 'Green Giant' - arborvitae Thuja koraiensis - Korean arborvitae Thuja koraiensis 'Glauca Prostrata' - Korean arborvitae Thuja occidentalis - American arborvitae Thuja occidentalis 'Art Boe' NORTH POLE - American arborvitae Thuja occidentalis Aurea Group - American arborvitae Thuja occidentalis 'Bobozam' MR. BOWLING BALL - American arborvitae Thuja occidentalis 'Bodmeri' - American arborvitae Thuja occidentalis 'Danica' - American arborvitae Thuja occidentalis 'Dark Green' - American arborvitae Thuja occidentalis 'Degroot's Spire' - American arborvitae Thuja occidentalis 'Dorsett Yellow' - American arborvitae Thuja occidentalis 'Ericoides' - American arborvitae Thuja occidentalis 'Filiformis' - American arborvitae Thuja occidentalis 'Gold Drop' - American arborvitae Thuja occidentalis 'Golden Globe' - American arborvitae Thuja occidentalis 'Hetz Midget' - American arborvitae Thuja occidentalis 'Holmstrup' - American arborvitae Thuja occidentalis 'Klmeighteen' PATRIOT - American arborvitae Thuja occidentalis 'Little Gem' - American arborvitae Thuja occidentalis 'Lutea' - American arborvitae Thuja occidentalis 'Nigra' - American arborvitae Thuja occidentalis 'Recurva Nana' - American arborvitae Thuja occidentalis 'Rheingold' - American arborvitae Thuja occidentalis 'Sherwood Frost' - American arborvitae Thuja occidentalis 'Skinner Dwarf' - American arborvitae Thuja occidentalis 'Smaragd' - American arborvitae Thuja occidentalis 'Sudwelli' - American arborvitae Thuja occidentalis 'Sunkist' - American arborvitae Thuja occidentalis 'Techny' - American arborvitae Thuja occidentalis 'Teddy' - American arborvitae Thuja occidentalis 'Tiny Tim' - American arborvitae Thuja occidentalis 'Wansdyke Silver' - American arborvitae Thuja occidentalis 'Wareana Lutescens' - American arborvitae Thuja occidentalis 'Woodwardii' - American arborvitae Thuja occidentalis 'Yellow Ribbon' - American arborvitae Thuja plicata - western red cedar Thuja plicata 'Aurea' - western red cedar Thuja plicata 'Cuprea' - western red cedar Thuja plicata 'Hogan' - western red cedar Thuja plicata 'Virescens' - western red cedar Thuja plicata 'Whipcord' - western red cedar Thuja plicata 'Zebrina' - western red cedar Thuja standishii - Japanese arborvitae Thujopsis dolobrata - hiba Thunbergia alata - black-eyed Susan Thunbergia 'Blue Glory' - thunbergia Thunbergia grandiflora - blue trumpet vine

Thymophylla tenuiloba - Dahlberg daisy Thymus × citriodorus - lemon Thymus × citriodorus 'Lime' - lemon thyme Thymus × citriodorus 'Silver Queen' - lemon thyme Thymus Coccineus Group - wild thyme Thymus herba-barona - thyme Thymus 'Orange Balsam' - thyme Thymus polytrichus subsp. britannicus - thyme Thymus praecox - thyme Thymus praecox 'Minus' - thyme Thymus pseudolanuginosus - woolly thyme Thymus quinquecostatus - thyme Thymus serpyllum - mother of thyme Thymus serpyllum 'Elfin' - wild thyme Thymus serpyllum 'Pink Chintz' - wild thyme Thymus serpyllum 'Pygmaeus' - lemon thyme Thymus vulgaris - English thyme Thymus vulgaris 'Argenteus' - thyme Tiarella 'Black Velvet' - foam flower Tiarella cordifolia - foam flower Tiarella cordifolia 'Oakleaf' - foam flower Tiarella 'Crow Feather' - foam flower Tiarella 'Cygnet' - foam flower Tiarella 'Dark Star' - foam flower Tiarella 'Eco Eyed Glossy' - foam flower Tiarella 'Filigree Lace' - foam flower Tiarella 'Heronswood Mist' - foam flower Tiarella 'Inkblot' - foam flower Tiarella 'Iron Butterfly' - foam flower Tiarella 'Lacquer Leaf' - foam flower Tiarella 'Laird of Skye' - foam flower Tiarella 'Ninja' - foam flower Tiarella 'Pacific Crest' - foam flower Tiarella 'Skeleton Key' - foam flower Tiarella 'Sugar and Spice' - foam flower Tiarella 'Sunset Ridge' - foam flower Tiarella 'Tiger Stripe' - false mitrewort Tiarella 'Tntia041' STARGAZER MERCURY - foam flower Tibouchina heteromalla - glory bush Tibouchina urvilleana - glory bush Tilia americana - American linden Tilia americana 'Redmond' - American linden Tilia amurensis - linden Tilia cordata - little-leaf linden Tilia cordata 'Chancellor' - little-leaf linden Tilia × euchlora - Caucasian linden Tilia × europaea - European linden Tilia heterophylla - white basswood Tilia japonica - Japanese linden

Tilia platyphyllos - broad-leaved linden Tilia tomentosa - silver linden Tillandsia usneoides - Spanish moss Tithonia rotundifolia - Mexican sunflower Torenia fournieri - wishbone flower Torreya nucifera - Japanese -yew Torreya nucifera 'Variegata' - Japanese nutmeg-yew Torreya taxifolia - stinking cedar Toxicodendron diversilobum - western poison oak Toxicodendron radicans - poison ivy Trachelospermum jasminoides - star jasmine Trachycarpus fortunei - windmill palm Trachystemon orientalis - Early-flowering borage Tradescantia Andersoniana Group 'Blushing Bride' - spiderwort Tradescantia Andersoniana Group 'Concord Grape' - spiderwort Tradescantia Andersoniana Group 'Little Doll' - spiderwort Tradescantia Andersoniana Group 'Mariella' - spiderwort Tradescantia Andersoniana Group 'Purple Profusion' - spiderwort Tradescantia Andersoniana Group 'Red Cloud' - spider lily Tradescantia Andersoniana Group 'Snowcap' - spiderwort Tradescantia Andersoniana Group 'Sweet Kate' - spiderwort Tradescantia bracteata - spiderwort Tradescantia ernestiana - spiderwort Tradescantia fluminensis - small-leaf spiderwort Tradescantia fluminensis 'Albovittata' - spiderwort Tradescantia 'Hawaiian Punch' - spiderwort Tradescantia longipes - spider wort Tradescantia ohiensis - Ohio spiderwort Tradescantia pallida 'Purpurea' - spider lily Tradescantia spathacea - Moses-in-a-basket Tradescantia subaspera - zigzag spiderwort Tradescantia tharpii - spider lily Tradescantia virginiana - spider lily Tradescantia zebrina - inch plant Trautvetteria caroliniensis - false bugbane Tricyrtis 'Blue Wonder' - toad lily Tricyrtis 'Empress' - toad lily Tricyrtis formosana - toad lily Tricyrtis formosana 'Gates of Heaven' - toad lily Tricyrtis formosana 'Gilt Edge' - toad lily Tricyrtis formosana 'Samurai' - toad lily Tricyrtis formosana Stolonifera Group - toad lily Tricyrtis hirta - Japanese toad lily Tricyrtis hirta 'Miyazaki' - toad lily Tricyrtis hirta 'White Flame' - toad lily Tricyrtis 'Lemon Lime' - toad lily Tricyrtis 'Lightning Strike' - toad lily Tricyrtis macrantha - toad lily Tricyrtis macrantha subsp. macranthopsis - toad lily

Tricyrtis macropoda - toad lily Tricyrtis 'Shirohototogisu' - toad lily Tricyrtis 'Sinonome' - toad lily Tricyrtis 'Taipei Silk' - toad lily Tricyrtis 'Tojen' - toad lily Tricyrtis 'White Towers' - toad lily Tridens strictus - longspike tridens Trifolium repens - clover Trifolium repens 'Atropurpureum' - white clover Trifolium repens 'Dragon's Blood' - white clover Trillium cuneatum - wood lily Trillium flexipes - wood lily Trillium grandiflorum - wood lily Trillium luteum - wood lily Trillium recurvatum - wood lily Trillium sessile - wood lily Trillium viride - green trillium Tripsacum dactyloides - eastern gamagrass Trochodendron aralioides - wheel tree Trollius × cultorum - globe flower Trollius ledebourii - globe flower Tropaeolum group - nasturtium Tsuga canadensis - Canadian hemlock Tsuga canadensis 'Abbott's Pygmy' - Canadian hemlock Tsuga canadensis 'Albospica' - Canadian hemlock Tsuga canadensis 'Bennett' - Canadian hemlock Tsuga canadensis 'Bergman's Snowflake' - Canadian hemlock Tsuga canadensis 'Betty Rose' - Canadian hemlock Tsuga canadensis 'Brandley' - Canadian hemlock Tsuga canadensis 'Coffin' - Canadian hemlock Tsuga canadensis 'Cole's Prostrate' - Canadian hemlock Tsuga canadensis 'Curley' - Canadian hemlock Tsuga canadensis 'Geneva' - Canadian hemlock Tsuga canadensis 'Gentsch White' - Canadian hemlock Tsuga canadensis 'Golden Splendor' - Canadian hemlock Tsuga canadensis 'Gracilis' - Canadian hemlock Tsuga canadensis 'Green Spider' - Canadian hemlock Tsuga canadensis 'Jeddeloh' - Canadian hemlock Tsuga canadensis 'Jervis' - Canadian hemlock Tsuga canadensis 'Lewis' - Canadian hemlock Tsuga canadensis 'Monler' EMERALD FOUNTAIN - Canadian hemlock Tsuga canadensis 'Moon Frost' - Canadian hemlock Tsuga canadensis 'Pendula' - Canadian hemlock Tsuga canadensis 'Slenderella' - Canadian hemlock Tsuga canadensis 'Stewart's Gem' - Canadian hemlock Tsuga canadensis 'Stockman's Dwarf' - Canadian hemlock Tsuga canadensis 'White Fountain' - Canadian hemlock Tsuga caroliniana - Canadian hemlock Tsuga diversifolia - Japanese hemlock

Tulbaghia violacea - society garlic Tulipa altaica - Altai mountain tulip Tulipa 'Ancilla' - kaufmanniana tulip Tulipa batalinii - miscellaneous tulip Tulipa group - tulip Tulipa praestans 'Fusilier' - miscellaneous tulip Tulipa 'Red Riding Hood' - greigii tulip Tulipa saxatilis - candia tulip Tulipa 'Stresa' - kaufmanniana tulip Tulipa tarda - tulip Tweedia caerulea - tweedia Typha latifolia - cattail Typha laxmannii - bullrush Typha minima - bullrush Ulmus alata - winged elm Ulmus americana - American elm Ulmus americana 'Jefferson' - American elm Ulmus americana 'Princeton' - American elm Ulmus americana 'Valley Forge' - American elm Ulmus glabra - wych elm Ulmus glabra 'Camperdownii' - Scotch elm Ulmus × hollandica 'Jacqueline Hillier' - Dutch elm Ulmus 'Morton' ACCOLADE - elm Ulmus 'New Horizon' - elm Ulmus parvifolia - Chinese elm Ulmus parvifolia 'Dynasty' - Chinese elm Ulmus parvifolia 'Emer II' ALLEE - Chinese elm Ulmus parvifolia 'Hokkaido' - Chinese elm Ulmus parvifolia 'Seiju' - Chinese elm Ulmus pumila - Siberian elm Ulmus rubra - slippery elm Uvularia grandiflora - large-flowered bellwort Vaccinium 'Blue Jay' - highbush blueberry Vaccinium 'Blueray' - highbush blueberry Vaccinium 'Chippewa' - half-high blueberry Vaccinium corymbosum - highbush blueberry Vaccinium corymbosum 'Atlantic' - highbush blueberry Vaccinium corymbosum 'Aurora' - highbush blueberry Vaccinium corymbosum 'Bluecrop' - highbush blueberry Vaccinium corymbosum 'Bluegold' - highbush blueberry Vaccinium corymbosum 'Chandler' - highbush blueberry Vaccinium corymbosum 'Elizabeth' - highbush blueberry Vaccinium corymbosum 'Elliott' - highbush blueberry Vaccinium corymbosum 'Herbert' - highbush blueberry Vaccinium corymbosum 'Ivanhoe' - highbush blueberry Vaccinium corymbosum 'Jersey' - highbush blueberry Vaccinium corymbosum 'Nelson' - highbush blueberry Vaccinium corymbosum 'Patriot' - highbush blueberry Vaccinium 'Duke' - highbush blueberry

Vaccinium macrocarpon 'Thunderlake' - cranberry Vaccinium 'Northland' - highbush blueberry Vaccinium 'Sunshine Blue' - highbush blueberry Valeriana officinalis - garden heliotrope Valerianella locusta - lamb's lettuce Vancouveria hexandra - American barrenwort Vanilla planifolia - vanilla Veltheimia bracteata - bush lily Verbascum 'Banana and Custard' - verbascum Verbascum ' Crush' - verbascum Verbascum chaixii - nettle-leaved mullein Verbascum chaixii 'Album' - nettle-leaved mullein Verbascum chaixii 'Sixteen Candles' - nettle-leaved mullein Verbascum 'Helen Johnson' - verbascum Verbascum 'Jackie' - verbascum Verbascum pyramidatum - verbascum Verbascum 'Southern Charm' - verbascum Verbascum thapsus - common mullein Verbena 'Annie' - verbena Verbena bonariensis - tall verbena Verbena hastata - American blue vervain Verbena 'Homestead Carpet Red' - verbena Verbena × hybrida - garden verbena Verbena 'Imagination' - verbena Verbena 'Sealav' SEABROOK'S LAVENDER - verbena Verbena 'Snow Flurry' - verbena Verbena 'Sterling Star' - verbena Verbena stricta - hoary vervain Verbesina alternifolia - wingstem Verbesina helianthoides - crown beard Vernonia arkansana - ironweed Vernonia baldwinii - western ironweed Vernonia fasciculata - ironweed Vernonia gigantea - giant ironweed Vernonia missurica - ironweed Vernonia noveboracensis - ironweed Vernonia 'Southern Cross' - ironweed Veronica austriaca - large speedwell Veronica austriaca subsp. teucrium 'Crater Lake Blue' - large speedwell Veronica austriaca subsp. teucrium 'Royal Blue' - saw-leaved speedwell Veronica 'Blue Reflection' - speedwell Veronica 'Darwin's Blue' - speedwell Veronica 'Eveline' - speedwell Veronica 'First Love' - speedwell Veronica 'Foxy Lady' - speedwell Veronica gentianoides - Gentian speedwell Veronica gentianoides 'Alba' - Gentian speedwell Veronica gentianoides 'Variegata' - Gentian speedwell Veronica 'Giles van Hees' - speedwell

Veronica 'Goodness Grows' - speedwell Veronica 'Heraud' - speedwell Veronica 'Hocus Pocus' - speedwell Veronica incana 'Pure Silver' - silver speedwell Veronica liwanensis - speedwell Veronica longifolia - long leaf speedwell Veronica longifolia 'Blauriesin' BLUE GIANTESS - long leaf speedwell Veronica longifolia 'Blue John' - long leaf speedwell Veronica longifolia 'Joseph's Coat' - long leaf speedwell Veronica 'Mann's Variety' - speedwell Veronica 'Midnight' - speedwell Veronica peduncularis - speedwell Veronica peduncularis 'Georgia Blue' - speedwell Veronica 'Pink Damask' - speedwell Veronica prostrata - prostrate speedwell Veronica prostrata 'Buttercup' - prostrate speedwell Veronica prostrata 'Nestor' - prostrate speedwell Veronica prostrata 'Trehane' - prostrate speedwell Veronica 'Purpleicious' - spiked speedwell Veronica repens 'Sunshine' - creeping speedwell Veronica spicata 'Blue Bouquet' - spiked speedwell Veronica spicata 'Blue Charm' - spiked speedwell Veronica spicata 'Glory' ROYAL CANDLES - spiked speedwell Veronica spicata 'High Five' - speedwell Veronica spicata 'Icicle' - spiked speedwell Veronica spicata 'Minuet' - spiked speedwell Veronica spicata 'Nana' - spiked speedwell Veronica spicata 'Noah Williams' - speedwell Veronica spicata 'Pavane' - spiked speedwell Veronica spicata 'Rotfuchs' RED FOX - spiked speedwell Veronica 'Spike' - spike speedwell Veronica 'Sunny Border Blue' - speedwell Veronica 'Sweet Lullaby' - speedwell Veronica 'Waterperry Blue' - speedwell Veronica 'White Jolanda' - speedwell Veronicastrum sibiricum - Culver's root Veronicastrum virginicum - Culver's root Veronicastrum virginicum 'Album' - Culver's root Veronicastrum virginicum 'Apollo' - Culver's root Veronicastrum virginicum 'Fascination' - Culver's root Veronicastrum virginicum 'Spring Dew' - Culver's root Veronicastrum virginicum 'Temptation' - Culver's root Viburnum acerifolium - mapleleaf viburnum Viburnum × bodnantense - viburnum Viburnum × bodnantense 'Dawn' - viburnum Viburnum × burkwoodii - burkwood viburnum Viburnum × burkwoodii 'Conoy' - burkwood viburnum Viburnum × burkwoodii 'Mohawk' - burkwood viburnum Viburnum × carlcephalum - fragrant snowball

Viburnum × carlcephalum 'Cayuga' - Koreanspice viburnum Viburnum carlesii - Koreanspice viburnum Viburnum carlesii 'Aurora' - Koreanspice viburnum Viburnum carlesii 'Compactum' - Koreanspice viburnum Viburnum carlesii 'Diana' - Koreanspice viburnum Viburnum cassinoides - witherod viburnum Viburnum davidii - David viburnum Viburnum dentatum - arrowwood viburnum Viburnum dentatum 'Christom' BLUE MUFFIN - arrowwood viburnum Viburnum dentatum 'KLMseventeen' LITTLE JOE - arrowwood viburnum Viburnum dentatum 'Ralph Senior' AUTUMN JAZZ - arrowwood viburnum Viburnum dilatatum - linden viburnum Viburnum dilatatum 'Asian Beauty' - linden viburnum Viburnum dilatatum 'Erie' - linden viburnum Viburnum dilatatum 'Henneke' CARDINAL CANDY - linden viburnum Viburnum 'Emerald Triumph' - viburnum Viburnum 'Eskimo' - viburnum Viburnum farreri 'Nanum' - viburnum Viburnum × juddii - Judd viburnum Viburnum lantana - wayfaringtree viburnum Viburnum lantana 'Mohican' - wayfaringtree viburnum Viburnum lentago - nannyberry viburnum Viburnum macrocephalum - Chinese snowball viburnum Viburnum nudum - smooth witherod Viburnum nudum 'Bulk' BRANDYWINE - Possumhaw viburnum Viburnum nudum 'Count Pulaski' - smooth witherod Viburnum nudum 'Winterthur' - smooth witherod Viburnum odoratissimum - sweet viburnum Viburnum odoratissimum var. awabuki - sweet viburnum Viburnum 'Oneida' - linden viburnum Viburnum opulus - European cranberrybush Viburnum opulus 'Compactum' - European cranberrybush Viburnum opulus 'Nanum' - European cranberrybush Viburnum opulus 'Roseum' - European cranberrybush Viburnum opulus var. americanum - American cranberrybush Viburnum opulus var. americanum 'Hahs' - American cranberry bush Viburnum opulus 'Xanthocarpum' - European cranberrybush Viburnum plicatum - Japanese snowball Viburnum plicatum f. pilcatum - Japanese snowball Viburnum plicatum f. pilcatum 'Popcorn' - Japanese snowball Viburnum plicatum f. plicatum 'Newzam' NEWPORT - Japanese snowball Viburnum plicatum f. plicatum 'Pink Sensation' - Japanese snowball Viburnum plicatum f. tomentosum - doublefile viburnum Viburnum plicatum f. tomentosum 'Cascade' - doublefile viburnum Viburnum plicatum f. tomentosum 'Mariesii' - doublefile viburnum Viburnum plicatum f. tomentosum 'Roseum' - Japanese snowball Viburnum plicatum f. tomentosum 'Shasta' - doublefile viburnum Viburnum plicatum f. tomentosum 'Shoshoni' - doublefile viburnum Viburnum plicatum f. tomentosum 'Summer Snowflake' - Japanese snowball

Viburnum plicatum f. tomentosum 'Watanabei' - doublefile viburnum Viburnum plicatum f. tomentosum 'Weeping Magic' - doublefile viburnum Viburnum 'Pragense' - Prague viburnum Viburnum propinquum - Chinese viburnum Viburnum prunifolium - blackhaw viburnum Viburnum × rhytidophylloides - lantanaphyllum viburnum Viburnum × rhytidophylloides 'Alleghany' - lantanaphyllum viburnum Viburnum × rhytidophylloides 'Willowwood' - lantanaphyllum viburnum Viburnum rhytidophyllum - leatherleaf viburnum Viburnum 'Royal Guard' - rusty blackhaw viburnum Viburnum rufidulum - rusty blackhaw viburnum Viburnum sargentii - Sargent viburnum Viburnum setigerum - tea viburnum Viburnum sieboldii - Siebold viburnum Victoria amazonica - Victoria water lily Vinca major - greater periwinkle Vinca major 'Wojo's Gem' - greater periwinkle Vinca minor - lesser periwinkle Vinca minor 'Honeydew' - lesser periwinkle Viola blanda - woodland white violet Viola canadensis - Canada violet Viola 'Cat's Whiskers' - violet Viola cornuta - horned violet Viola cornuta 'Blackout' - horned violet Viola 'Dancing Geisha' - violet Viola 'Etain' - violet Viola grypoceras var. exilis 'Sylettas' - violet Viola labradorica - Labrador violet Viola pedata - bird's foot violet Viola pedatifida - larkspur violet Viola pubescens var. eriocarpa - smooth yellow violet Viola 'Rebecca' - violet Viola 'Red Giant' - violet Viola rotundifolia - eastern round-leaved violet Viola sororia - common blue violet Viola striata - pale violet Viola × wittrockiana - pansy Vitex agnus-castus - chastetree Vitex agnus-castus 'Colonial Blue' - chastetree Vitex agnus-castus 'Shoal Creek' - chastetree Vitex negundo - chastetree Vitex rotundifolia - vitex Vitis aestivalis - summer grape Vitis aestivalis 'Norton' - summer grape Vitis 'Beta' - grape Vitis 'Canadice' - grape Vitis 'Catawba' - grape Vitis 'Chambourcin' - grape Vitis 'Chardonel' - grape

Vitis coignetiae - crimson glory vine Vitis ficifolia var. lobata - grape Vitis heyneana subsp. ficifolia - grape Vitis 'Himrod' - grape Vitis labrusca - fox grape Vitis labrusca 'Concord' - grape Vitis labrusca 'Concord Seedless' - seedless grape Vitis labrusca 'Niagara' - fox grape Vitis 'Marquis' - grape Vitis 'Ravat 51' VIGNOLES - grape Vitis 'Reliance' - grape Vitis 'SV276' SEYVAL BLANC - grape Vitis 'V56' VIDAL BLANC - grape Vitis 'Valiant' - grape Vriesea splendens - vriesea Waldsteinia fragarioides - barren strawberry Waldsteinia geoides - waldsteinia Waldsteinia lobata - waldsteinia Waldsteinia ternata - waldsteinia Watsonia borbonica - watsonia Weigela 'Courtalor' CARNAVAL - weigela Weigela 'Courtamon' FELINE - weigela Weigela 'Dark Horse' - weigela Weigela florida - weigela Weigela florida 'Alexandra' WINE AND ROSES - weigela Weigela florida 'Bramwell' FINE WINE - weigela Weigela florida 'Dropmore Pink' - weigela Weigela florida 'Elvera' MIDNIGHT WINE - weigela Weigela florida 'Pink Princess' - weigela Weigela florida 'Polka' - weigela Weigela florida 'Tango' - weigela Weigela florida 'Verweig 6' SONIC BLOOM - weigela Weigela florida 'Verweig' MY MONET - weigela Weigela florida 'Walweigeye' EYECATCHER - weigela Weigela florida 'White Knight' - weigela Weigela hortensis - weigela Weigela 'Minuet' - weigela Weigela 'Nana Variegata' - weigela Weigela 'Olympiade' BRIANT RUBIDOR - weigela Weigela 'Pink Poppet' - weigela Weigela praecox - weigela Weigela praecox 'April Snow' - weigela Weigela praecox 'Korean Sunrise' - weigela Weigela 'Red Prince' - weigela Weigela 'Rumba' - weigela Weigela subsessilis 'Canary' - weigela Weigela 'Victoria' - weigela Wisteria brachybotrys 'Shiro-kapitan' - silky wisteria Wisteria floribunda 'Multijuga' - Japanese wisteria

Wisteria floribunda 'Rosea' - Japanese wisteria Wisteria frutescens - American wisteria Wisteria macrostachya 'Blue Moon' - wisteria Wisteria sinensis - Chinese wisteria Wisteria sinensis 'Alba' - Chinese wisteria Wisteria sinensis 'Prolific' - Chinese wisteria Wollemia nobilis - wollemi pine Woodsia obtusa - blunt-lobed woodsia Woodwardia areolata - netted chain fern Xanthoceras sorbifolium - yellowhorn Xanthocyparis nootkatensis - nootka cypress Xanthocyparis nootkatensis 'Aurea' - nootka cypress Xanthocyparis nootkatensis 'Pendula' - nootka cypress Xanthosoma atrovirens 'Variegatum Monstrosum' - mouse-cup taro Xanthosoma 'Lime Zinger' - elephant's ear Xanthosoma sagittifolium - tannia Xerochrysum bracteatum - everlasting flower Yucca elephantipes - Spineless yucca Yucca filamentosa - Adam's needle Yucca filamentosa 'Color Guard' - Adam's needle Yucca filamentosa 'Variegata' - yucca Yucca gloriosa 'Variegata' - Spanish dagger Zamioculcas zamiifolia - ZZ plant Zantedeschia aethiopica - white calla lily Zantedeschia 'Black Magic' - calla lily Zantedeschia elliottiana - golden calla Zantedeschia 'Mango' - calla lily Zantedeschia 'Rubylite Pink Ice' - calla lily Zanthoxylum americanum - toothache tree Zea mays - maize Zelkova serrata - Japanese zelkova Zelkova serrata 'Green Vase' - Japanese zelkova Zelkova serrata 'Village Green' - Japanese zelkova Zenobia pulverulenta - dusty zenobia Zenobia pulverulenta 'Blue Sky' - dusty zenobia Zephyranthes candida - rain lily Zephyranthes grandiflora - rain lily Zephyranthes 'Itsy Bitsy' - rain lily Zingiber officinale - common ginger Zinnia angustifolia - creeping zinnia Zinnia angustifolia 'Classic' - creeping zinnia Zinnia elegans - zinnia Zinnia group - zinnia Zinnia marylandica 'Pas553645' ZAHARA DOUBLE FIRE - zinnia Zizia aptera - meadow zizia Zizia aurea - golden Alexander Ziziphus jujuba - common jujube Zoysia japonica 'Compadre' - zoysia grass Zoysia japonica 'Meyer' - zoysia grass

Zygopetalum group - orchid