RHS AGM List of Ornamentals 2015
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RHS Award of Garden Merit List 2015 © RHS RHS AGM Listing January 2015 (Ornamentals) For key to classification codes after plant names, see end of document Name Year Hardiness Note Abelia 'Canyon Creek' 2011 H5 Abelia chinensis 'China Rose' 2009 H5 Abelia 'Edward Goucher' 2009 H5 Abelia floribunda 1993 H5 Abelia x grandiflora 'Hopleys' (v) 2009 H5 Abelia x grandiflora 'Lake Maggiore' 2009 H5 Abelia mosanensis 'Korean Spring' 2009 H5 Abies balsamea (Hudsonia Group) 'Hudsonia' 2012 H7 AGM confirmed 2014 Abies concolor 'Compacta' 1993 H7 Abies concolor (Violacea Group) 'Violacea' 2012 H7 AGM confirmed 2014 Abies concolor (Violacea Group) 'Violacea Prostrate' 2012 H7 AGM confirmed 2014 Abies koreana 2012 H7 Abies koreana 'Blauer Eskimo' 2012 H7 Abies koreana 'Cis' 2012 H7 Abies koreana 'Kohout's Ice Breaker' 2012 H7 Abies koreana 'Silberlocke' 1993 H7 Abies lasiocarpa var. arizonica 'Compacta' Hornibr. 1993 H7 Abies nordmanniana 'Golden Spreader' 1993 H7 Abies nordmanniana subsp. nordmanniana 2012 H7 Abies pinsapo 'Aurea' 2012 H5 Abies pinsapo 'Glauca' 1993 H5 Abies procera (Glauca Group) 'Glauca' 2012 H6 AGM confirmed 2014 Abies procera (Glauca Group) 'Glauca Prostrata' 2012 H6 AGM confirmed 2014 Abutilon 'Canary Bird' 1993 H1b Abutilon 'Cannington Carol' (v) 1993 H1b Abutilon 'Cannington Peter' (v) 1993 H1b Abutilon 'Kentish Belle' 1993 H3 Abutilon 'Linda Vista Peach' 1999 H1b Abutilon 'Marion' 1999 H1b Abutilon megapotamicum 1993 H3 Abutilon megapotamicum 'Variegatum' (v) 2012 H3 Abutilon x milleri hort. 1993 H3 Abutilon 'Nabob' 1993 H1b Abutilon 'Orange Glow' (v) 1993 H1b Abutilon pictum 'Thompsonii' (v) 2012 H1b Abutilon 'Savitzii' (v) 1999 H1b Abutilon 'Souvenir de Bonn' (v) 1993 H1b Abutilon x suntense 'Jermyns' 1993 H4 Abutilon vitifolium 'Tennant's White' 1993 H4 Abutilon vitifolium 'Veronica Tennant' 1993 H4 Acacia baileyana 1993 H2 Acacia baileyana 'Purpurea' 1993 H3 Acacia caven 2012 H2 Acacia dealbata 1993 H2 Acacia pravissima 2002 H3 Acaena microphylla 1993 H5 Acalypha hispida 1993 H1b Acalypha wilkesiana 2012 H1b Acer campestre 1993 H6 Acer campestre 'Carnival' (v) 2012 H6 Acer campestre 'Ruby Glow' 2012 H6 Acer cappadocicum 'Aureum' 1993 H6 Acer cappadocicum 'Rubrum' 1993 H6 Acer davidii 'George Forrest' 1993 H5 Acer x freemanii [Autumn Blaze] = 'Jeffersred' 2012 H6 Acer griseum 1993 H5 Acer japonicum 'Aconitifolium' 1993 H6 Acer japonicum 'Green Cascade' 2012 H6 Acer japonicum 'Vitifolium' 1993 H6 Acer micranthum 2012 H6 Acer negundo var. violaceum 2012 H6 Acer negundo 'Winter Lightning' 2012 H6 Acer palmatum 'Ariadne' (M/v) 2012 H6 Acer palmatum 'Beni-maiko' (P) 2012 H6 Acer palmatum 'Beni-tsukasa' (P/v) 2012 H6 Acer palmatum 'Bloodgood' (A) 1993 H6 Acer palmatum 'Burgundy Lace' (M) 1993 H6 Acer palmatum 'Chitose-yama' (M) 1993 H6 Acer palmatum 'Corallinum' (P) 2012 H6 Acer palmatum 'Crimson Queen' (D) 1993 H6 Acer palmatum 'Eddisbury' (P) 2012 H6 Acer palmatum 'Elegans' (M) 2012 H6 Acer palmatum 'Emerald Lace' (D) 2012 H6 Acer palmatum 'Garnet' (D) 1993 H6 Acer palmatum 'Inaba-shidare' (D) 1993 H6 Acer palmatum 'Katsura' (P) 2002 H6 Acer palmatum 'Kinshii' (L) 2012 H6 Acer palmatum 'Kiyohime' (Dw) 2012 H6 Acer palmatum 'Orange Dream' (P) 2012 H6 Acer palmatum 'Orangeola' (D) 2012 H6 Acer palmatum 'Ornatum' (D) 2012 H6 Acer palmatum 'Osakazuki' (A) 1993 H6 Acer palmatum 'Red Pygmy' (L) 1993 H6 Acer palmatum 'Sango-kaku' (P) 1993 H6 Acer palmatum 'Seiryu' (D) 1993 H6 1 / 74 RHS Award of Garden Merit List 2015 © RHS RHS AGM Listing January 2015 (Ornamentals) For key to classification codes after plant names, see end of document Name Year Hardiness Note Acer palmatum 'Shin-deshojo' (P) 2012 H6 Acer palmatum 'Shishi-gashira' (P) 2012 H6 Acer palmatum 'Trompenburg' (M) 2002 H6 Acer palmatum 'Villa Taranto' (L) 2012 H6 Acer platanoides 'Crimson King' 1993 H6 Acer platanoides [Princeton Gold] = 'Prigo' 2012 H6 Acer platanoides 'Schwedleri' 1993 H6 Acer pseudoplatanus 'Brilliantissimum' 1993 H6 Acer rubrum 'October Glory' 1993 H6 Acer rubrum [Red Sunset] = 'Franksred' 2012 H6 Acer shirasawanum 'Aureum' 1993 H6 Acer sieboldianum 2012 H6 Acer tegmentosum 2012 H5 Acer triflorum 2002 H6 Achillea ageratifolia 1993 H5 Achillea 'Coronation Gold' 1993 H7 Achillea 'Credo' 1999 H7 Achillea filipendulina 'Cloth of Gold' 1999 H7 Achillea filipendulina 'Gold Plate' 1993 H7 Achillea filipendulina 'Parker's Variety' 1999 H7 Achillea 'Heidi' 1999 H7 Achillea 'Helios' 1999 H7 Achillea 'Hella Glashoff' 1999 H7 Achillea 'Lachsschönheit' (Galaxy Series) 1999 H7 Achillea x lewisii 'King Edward' 1993 H5 Achillea 'Lucky Break' 1999 H7 Achillea 'Martina' 1999 H7 Achillea millefolium 'Lansdorferglut' 1999 H7 Achillea 'Mondpagode' 1999 H7 Achillea 'Moonshine' 1993 H7 Achillea 'Summerwine' 1999 H7 Achillea tomentosa 1993 H5 x Achimenantha 'Inferno' 2002 H1c Achimenes 'Ambroise Verschaffelt' 2002 H1c Achimenes 'Hilda Michelssen' 2002 H1c Achimenes 'Paul Arnold' 2002 H1c Achimenes 'Stan's Delight' (d) 2002 H1c Acis autumnalis 1993 H5 Aconitum 'Bressingham Spire' 1993 H7 Aconitum x cammarum 'Bicolor' 1993 H7 Aconitum carmichaelii (Arendsii Group) 'Arendsii' 2002 H7 Aconitum carmichaelii (Wilsonii Group) 'Kelmscott' 1993 H7 Aconitum 'Spark's Variety' 1993 H7 Aconitum 'Stainless Steel' 2012 H7 Actaea matsumurae 'Elstead Variety' 1993 H7 Actaea racemosa 1993 H7 Actaea simplex (Atropurpurea Group) 'Brunette' 2002 H7 Actaea simplex (Atropurpurea Group) 'James Compton' 2012 H7 Actinidia kolomikta 1993 H5 Actinidia tetramera var. maloides 2012 H5 Adenium obesum 2002 H1a Adiantum aleuticum 1997 H6 Adiantum aleuticum 'Subpumilum' 1997 H5 Adiantum x mairisii 1997 H5 Adiantum raddianum 1997 H1c Adiantum raddianum 'Brilliantelse' 1997 H1c Adiantum raddianum 'Fritz Lüthi' 1997 H1c Adiantum raddianum 'Kensington Gem' 1993 H1c Adiantum venustum 1993 H7 Adromischus cooperi 2012 H2 Adromischus maculatus 2012 H2 Aechmea fasciata 1993 H1a Aechmea Foster's Favorite Group 1993 H1a Aechmea fulgens var. discolor 1993 H1a Aechmea nudicaulis 1993 H1a Aechmea orlandiana 1993 H1a Aechmea racinae 1993 H1a Aechmea 'Royal Wine' 1993 H1a Aeonium 'Blushing Beauty' 2012 H1c Aeonium haworthii 1993 H1c Aeonium haworthii 'Variegatum' (v) 2012 H1c Aeonium 'Sunburst' (v) 2012 H1c Aeonium tabuliforme 1993 H1c Aeonium 'Zwartkop' 1993 H1c Aeschynanthus longicaulis 1993 H1c Aeschynanthus pulcher 1993 H1c Aeschynanthus radicans 2002 H1c Aeschynanthus speciosus 1993 H1c Aesculus flava 1993 H5 Aesculus indica 'Sydney Pearce' 2002 H5 Aesculus x neglecta 'Erythroblastos' 1993 H5 Aesculus parviflora 1993 H5 Aethionema grandiflorum 1993 H5 Aethionema grandiflorum Pulchellum Group 1993 H5 Aethionema 'Warley Rose' 1993 H5 2 / 74 RHS Award of Garden Merit List 2015 © RHS RHS AGM Listing January 2015 (Ornamentals) For key to classification codes after plant names, see end of document Name Year Hardiness Note Agapanthus 'Argenteus Vittatus' (v) 1993 H2 Agapanthus campanulatus subsp. patens 1993 H4 Agapanthus caulescens 1993 H2 Agapanthus 'Loch Hope' 1993 H6 Agapanthus praecox 2012 H2 Agapanthus praecox 'Albiflorus' 2012 H2 Agapetes 'Ludgvan Cross' 2002 H2 Agapetes serpens 1993 H2 Agastache 'Blue Fortune' 2004 H6 Agave americana 1994 H2 Agave americana 'Marginata' (v) 2003 H2 Agave americana 'Mediopicta' (v) 1994 H2 Agave americana 'Mediopicta Alba' (v) 1994 H2 Agave americana 'Variegata' (v) 1994 H2 Agave filifera 1994 H2 Agave leopoldii 2012 H2 Agave macroacantha 2012 H1c Agave parrasana 2012 H2 Agave parryi 2012 H2 Agave parviflora 1994 H2 Agave potatorum 1994 H2 Agave stricta 1994 H2 Agave titanota 2012 H1c Agave toumeyana 2012 H2 Agave utahensis 2002 H3 Agave victoriae-reginae 1994 H2 Aglaonema costatum f. immaculatum 2002 H1a Aglaonema modestum 1993 H1a Aglaonema 'Silver Queen' 1993 H1a Aichryson x aizoides var. domesticum 'Variegatum' (v) 1993 H1c Ajuga reptans 'Catlin's Giant' 1993 H7 Akebia quinata 'White Chocolate' 2012 H5 Albizia julibrissin f. rosea 1993 H2 Albizia julibrissin 'Summer Chocolate' 2012 H2 Alchemilla erythropoda 1993 H5 Alchemilla mollis 1993 H7 x Aliceara Peggy Ruth Carpenter gx 2012 H1a Allamanda cathartica 'Hendersonii' 1993 H1b Allium 'Beau Regard' 1995 H7 Allium beesianum W.W. Sm. 2012 H5 Allium caeruleum 1993 H5 Allium caesium 2002 H5 Allium carinatum subsp. pulchellum 1993 H5 Allium carinatum subsp. pulchellum f. album 2002 H5 Allium cernuum 'Hidcote' 1993 H5 Allium cristophii 1993 H7 Allium cyaneum 1993 H5 Allium flavum 1993 H4 Allium 'Gladiator' 1995 H7 Allium 'Globemaster' 1995 H7 Allium hollandicum 1995 H7 Allium hollandicum 'Purple Sensation' 1993 H7 Allium hollandicum 'Purple Surprise' 2002 H7 Allium insubricum 1993 H5 Allium karataviense 1993 H5 Allium moly 'Jeannine' 1993 H5 Allium oreophilum 'Zwanenburg' 1993 H5 Allium schubertii 2012 H4 Allium thunbergii 2002 H5 Allium unifolium 2002 H4 Alnus cordata 1993 H5 Alnus glutinosa 'Imperialis' 1993 H6 Alnus incana 'Aurea' 2012 H6 Alocasia x amazonica 1993 H1a Alocasia macrorrhiza 'Variegata' (v) 2002 H1a Aloe arborescens 'Variegata' (v) 2002 H1c Aloe aristata 1994 H3 Aloe bakeri 1994 H1b Aloe brevifolia 2002 H2 Aloe descoingsii 2002 H1b Aloe haworthioides 2002 H1c Aloe 'Lizard Lips' 2012 H1b Aloe melanacantha var. erinacea 2012 H2 Aloe plicatilis 2012 H2 Aloe polyphylla 2012 H3 Aloe rauhii 1994 H1b Aloe somaliensis 1994 H1b Aloe striatula 2012 H3 Aloe variegata (v) 1993 H1b Aloe vera 1993 H1b Aloinopsis schooneesii 2012 H2 Aloysia citrodora 1994 H3 Alstroemeria 'Apollo' 1994 H4 Alstroemeria 'Cahors' (Planet Series) 2011 H4 Alstroemeria 'Celine' 2011 H4 3 / 74 RHS Award of Garden Merit List 2015 © RHS RHS AGM Listing