GCA-Plant List Shrubs & Trees

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Shrubs and Trees Abies concolor Fir Acer japonicum Full Moon Maple Acer palmatum Japanese Maple Acer rubrum Red Maple Acer saccharum Sugar Maple Aesculus hippocastanum Horse Chestnut Aesculus parviflora BottlebrushBuckeye Althea officinalis 'Marshmallow' Hollyhocks Azalea kurume 'Hinodegiri' Betula nigra River Birch Buddleia davidii Butterfly Bush Buxus microphylla Korean Boxwood Buxus sempervirens English Boxwood Calycanthus floridus 'Athens' Carolina Allspice Caryopteris divaricata 'Blue Butterflies' Bluebeard Cercidiphyllum japonicum Katsura Cercis canadensis Eastern Redbud Chamaecyparis pisifera Sawara Chamaecyparis pisifera 'Filifera' Sawara false Cypress 'Thread' Chamaecyparis pisifera 'Squarrosa' Sawara false Cypress 'Moss' Clethra alnifolia Summersweet Cornus alternifolia Pagoda Dogwood Cornus kousa Chinese Dogwood Cotinus obovatus American Smoketree Daphne mezereum February Daphne Daphne odora 'Marginata' Winter Daphne Diervilla sessilifolia 'Butterfly' Southern Bush Honeysuckle Forsythia Fothergilla gardenii Dwarf Fothergilla Fothergilla 'Mt. Airy' Fothergilla 'Mt. Airy' Gingko biloba Ginko or Maidenhair tree Hamamelis virginiana Common Witchhazel Hibiscis syriacus Rose of Sharon Humulus lupulus Hops Hydrangea arborescens 'Anabelle' Smooth Hydrangea Hydrangea serrata 'Blue Billow' Hypericum perforatum St. John's Wort Ilex meserveae ‘Blue Princess’ Holly Ilex verticillata Winterberry Holly Ilex verticillata 'Winter red' Winterberry Holly Itea virginica 'Little Henry' Sweetspire/Virginia Willow Katsura Katsura Koelreuteria paniculata Golden Rain Tree Leucothoe fontanesia Drooping Leucothoe Liriodendron tulipifera Tulip Tree Magnolia stellata Star magnolia Metasequoia glyptostroboides Dawn Redwood Myrica caroliniensis Southern bayberry Myrica pensylvanica Northern bayberry Neillia sinensis Chinese Neillia Polygonum aubertii Silver lace vine Potentilla fruticosa "Abbotswood" Shrubby Cinquefoil Prunus virginiana Chokecherry Rhododendron 'Alice Swift' Rhododendron Rhododendron 'Tottenham' Rhododendron Ribes alpinum Currants Rosa nitida Shining rose Rosa rugosa Wild rose Rosa rugosa 'Wildberry Breeze Shrub rose Rosa setigera Prairie Climbing Rose Rose gallica 'Aleka' French Rose Rose glauca 'Redleaf rose' Rose 'Mystic fairy' Shrub rose Rose 'The Fairy' Rosebush “Old-fashioned” Salix integra 'Variegated willow' Salix matsudana 'Tortuosa' Curly or Corkscrew Willow Saracococca hookeriana var. humilis Himalayan Sweet Box Spirea bumalda 'Anthony Waterer' Japanese Spirea Spirea japonica 'Little Princess' Spirea japonica var alpina Alpine Spirea Styrax japonica Japanese Snowbell Syringa patula Lilac 'Korean' Syringa pubescens patula 'Miss Kim' Lilac 'Miss Kim' Syringa vulgaris Common lilac Syringa vulgaris 'Tinkerbell' Dwarf Lilac Viburnum Shrub Viburnum carlesii Koreanspice Viburnum Viburnum plicatum tomentosum ‘Shasta’ Double file viburnum Xanthorhiza simplicissima Yellowroot .

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Japanese Maples – Acer Spp
Japanese Maples – Acer spp. Known for their astounding variety in color, texture and habit, Japanese Maples are easygoing and adaptable and belong in every garden. If you already have one, think about adding another! for every site, a japanese maple! • Botanists count twenty-three species to include under the common heading of Japanese Maple. The largest group is Acer palmatum and its cultivars, followed by Acer japonicum. The numerous cultivars of Acer palmatum are further divided into seven groups which are mostly defined by leaf-shape. • In addition to variation in leaf-shape, Japanese Maples come in an array of sizes, growth habits, color ranges, and full sun to part shade preference. They add structure, contrast, texture, and beauty to any garden. • Carefully evaluate your chosen planting spot: Japanese maples require a slightly acid, sandy loam, with medium moisture and good drainage. Regular leafed varieties take full sun better than laceleaf types, but all Japanese Maples will be happy with at least some afternoon shade, since St. Louis summer sun is hot, strong and humid. • Remember that plants grow outwards as well as upwards and site appropriately. Take into account proximity to any buildings and any overhead limits. Some pruning is possible but should not be a necessary task. • The main requirement of a Japanese Maple is a uniform supply of water. They are not happy with very wet periods followed by long, dry periods or vice versa. Most will need supplemental water in the St. Louis summers. Japanese Maples in planters have this same need for consistency – be careful that they do not become waterlogged! prepare your site, plant your tree • Japanese Maples are easy to plant.
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Non-Native Trees and Large Shrubs for the Washington, D.C. Area
Green Spring Gardens 4603 Green Spring Rd ● Alexandria ● VA 22312 Phone: 703-642-5173 ● TTY: 703-803-3354 www.fairfaxcounty.gov/parks/greenspring NON - NATIVE TREES AND LARGE SHRUBS FOR THE WASHINGTON, D.C. AREA Non-native trees are some of the most beloved plants in the landscape due to their beauty. In addition, these trees are grown for the shade, screening, structure, and landscape benefits they provide. Deciduous trees, whose leaves die and fall off in the autumn, are valuable additions to landscapes because of their changing interest throughout the year. Evergreen trees are valued for their year-round beauty and shelter for wildlife. Evergreens are often grouped into two categories, broadleaf evergreens and conifers. Broadleaf evergreens have broad, flat leaves. They also may have showy flowers, such as Camellia oleifera (a large shrub), or colorful fruits, such as Nellie R. Stevens holly. Coniferous evergreens either have needle-like foliage, such as the lacebark pine, or scale-like foliage, such as the green giant arborvitae. Conifers do not have true flowers or fruits but bear cones. Though most conifers are evergreen, exceptions exist. Dawn redwood, for example, loses its needles each fall. The following are useful definitions: Cultivar (cv.) - a cultivated variety designated by single quotes, such as ‘Autumn Gold’. A variety (var.) or subspecies (subsp.), in contrast, is found in nature and is a subdivision of a species (a variety of Cedar of Lebanon is listed). Full Shade - the amount of light under a dense deciduous tree canopy or beneath evergreens. Full Sun - at least 6 hours of sun daily.
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February 2021 Newsletter
METRO MAPLES F e b r u a r y 2 0 2 1 N e w s l e t t e r NEWS & NOTES ACER JAPONICUM COLD WEATHER!!! New Fire Dragons and more We detail 4 different cultivars of How will your trees handle young Japanese maples are now this distinctly different species the upcoming arctic blast? available! of Japanese maple. NEWS & NOTES It may be hard to believe this week, but it won't be long until the trees begin to wake up and start to brighten our gardens once again. If you're thinking of adding a new tree to your landscape this spring, February is a great time to put that plan in motion. So many Japanese maples are every bit as bright and colorful in the spring as they are in autumn, and planting in early spring will give you the benefit of Its cold now, but spring is just around the corner! seeing those colors emerge this year. We now have dozens of 30-gallon 'Fire Dragon' Shantung maples in stock with dense branching and great shapes. If you are in need of a tree that grows in full sun and turns a brilliant red in fall, you might want to come check them out. We're continuing to be open by appointment from Monday through Saturday from 8:00am - 2:00pm (unless the roads are impassable). We'd love to see you! ACER JAPONICUM CULTIVARS The broad term 'Japanese maple' is applied to a handful of maple species native to Japan. Most of the Japanese maples that we offer are Acer palmatum cultivars.
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For Japananus Hyalinus
Rapid Pest Risk Analysis (PRA) for Japananus hyalinus STAGE 1: INITIATION 1. What is the name of the pest? Japananus hyalinus (Osborn) Hemiptera Cicadellidae Japanese maple leafhopper Synonyms: Japananus meridionalis Bonfils Platymetopius cinctus Matsumura Platymetopius hyalinus Osborn 2. What initiated this rapid PRA? In 1999 two leafhoppers identified as J. hyalinus were intercepted on Acer palmatum 'Katsura' imported from South Korea. An entry for this species was included on the UK Plant Health Pest Risk Register in 2013 and identified as a priority to update a previous PRA written in 1999 (Fera 2013), in particular to assess its potential establishment given the spread of J. hyalinus across Europe (Mifsud et al. 2010). 3. What is the PRA area? The PRA area is the United Kingdom of Great Britain and Northern Ireland. STAGE 2: RISK ASSESSMENT 4. What is the pest’s status in the EC Plant Health Directive (Council Directive 2000/29/EC1) and in the lists of EPPO2? The pest is not listed in the EC Plant Health Directive and is not recommended for regulation as a quarantine pest by EPPO, nor is it on the EPPO Alert List. 5. What is the pest’s current geographical distribution? J. hyalinus was first identified from the USA, but it is widely believed to originate from eastern Asia, though some authors dispute this due to the main host plant in Europe being the native Acer campestre, rather than ornamentally grown Asian species (Nickel and Remane 2002). It was first introduced into Europe in Austria in 1961, but its range has expanded considerably in recent years (Mifsud et al.
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Japanese Maples
JAPANESE MAPLES AKITA YATSUBUSA (LATIN: ACER PALMATUM) A very dwarf Japanese maple with a dense, round form. The small star shaped leaves emerge light green with a touch of red quickly turning to green for the summer. The fall color is a marvelous mix of red, orange, and yellow. Grows to the height of 2 ½ ft. Part sun Zone 5 AMBER GHOST (LATIN: ACER PALMATUM) Amber Ghost’ offers unique color in the maples. In spring, it is first bright pink, changing to a melon, pink-orange color. In summer it is a warm soft amber with a distinct green vein. Fall brings bright red and orange. ‘Amber Ghost’ is a wide, upright tree, excellent for either container or landscape if you want a series of stunning colors to bring into the garden. Grows 10-15’ tall and wide. Sun to part shade Zone 5 ARAKAWA (LATIN: ACER PALMATUM) Vigorous shrubby tree 18’ to 21’ tall, rough bark matures on 5 to 6 year old plants becoming more prominent as it ages. Yellow to scarlet fall foliage. Full sun to part shade Zone 4-9 AUTUMN FIRE (LATIN: ACER PALMATUM) A stunning mushroom-shaped mound. Spring foliage appears as light green with pink edges. The pink fades during summer, offering a darker green in return. Stalks are a brilliant red in summer as well. Fall offers a blaze of red and orange. Average growth is 15’ tall and wide. Shade to part shade Zone 6 AUTUMN MOON (LATIN: ACER SHIRASAWANUM) Autumn Moon is a lovely small Japanese maple. This deciduous tree leafs out in the spring with unusual and exceptional fall foliage.
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Trees, Shrubs, and Perennials That Intrigue Me (Gymnosperms First
Big-picture, evolutionary view of trees and shrubs (and a few of my favorite herbaceous perennials), ver. 2007-11-04 Descriptions of the trees and shrubs taken (stolen!!!) from online sources, from my own observations in and around Greenwood Lake, NY, and from these books: • Dirr’s Hardy Trees and Shrubs, Michael A. Dirr, Timber Press, © 1997 • Trees of North America (Golden field guide), C. Frank Brockman, St. Martin’s Press, © 2001 • Smithsonian Handbooks, Trees, Allen J. Coombes, Dorling Kindersley, © 2002 • Native Trees for North American Landscapes, Guy Sternberg with Jim Wilson, Timber Press, © 2004 • Complete Trees, Shrubs, and Hedges, Jacqueline Hériteau, © 2006 They are generally listed from most ancient to most recently evolved. (I’m not sure if this is true for the rosids and asterids, starting on page 30. I just listed them in the same order as Angiosperm Phylogeny Group II.) This document started out as my personal landscaping plan and morphed into something almost unwieldy and phantasmagorical. Key to symbols and colored text: Checkboxes indicate species and/or cultivars that I want. Checkmarks indicate those that I have (or that one of my neighbors has). Text in blue indicates shrub or hedge. (Unfinished task – there is no text in blue other than this text right here.) Text in red indicates that the species or cultivar is undesirable: • Out of range climatically (either wrong zone, or won’t do well because of differences in moisture or seasons, even though it is in the “right” zone). • Will grow too tall or wide and simply won’t fit well on my property.
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Ten Best Trees for Small Gardens Diane Pierce March 19, 2017 General Meeting
TEN BEST TREES FOR SMALL GARDENS DIANE PIERCE MARCH 19, 2017 GENERAL MEETING 1. Acer japonicum ‘Aconitifolium’ “Fernleaf full moon maple” SAPINDACEAE (was Aceraceae) Deciduous Z5-7 15-20’H x 20’W. Slow (takes 15 years to size up). Large, fern-like, deeply lobed (7-11) leaves, each lobe also cut & toothed. Turn scarlet in fall. Upright umbels of red-purple flowers. Semi-shade is best to sun. Well-drained, fertile, moist soil. 2. Albizia julibrissin “Silk tree” or “Mimosa” FABACEAE Deciduous Z6-9 Rapid to 40’ or headed back at 10-20’. Single or multi-stemmed trunks. Attractive spreading tree casts a light shade over patios. Pompoms of fluffy pink flowers in summer & finely cut, 2-pinnate leaves look tropical. Can espalier. Sun, takes heat. Well-drained, moderately fertile to poor gravelly soil. Avg. water (grows faster & greener) to drier soil. A. j. ‘Rosea’ is hardiest 3. Arbutus unedo “Strawberry tree” ERICACEAE Evergreen Z7-9 Handsome year-round interest: panicles of white urns in autumn become red-orange “strawberries” by next autumn. Oval, leathery, evergreen leaves. 12-15' H&W. Full sun is best. Well-drained, average moisture to some drought. Don't damage tap root in planting. Can be shaped as a multi- stemmed “tree”. A. unedo 'Compacta' is 5-6'H&W 4. Cercidiphyllum japonicum f. pendulum “Weeping katsura tree” CERCIDIPHYLLACEAE Deciduous Z4-6 Relatively fast to 20’H x 25’W. Ovate to almost heart-shaped leaves turn yellow to maroon to apricot in autumn, when they smell wonderfully of burnt sugar. One of most pest- & disease-free of trees.
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Plants of the Seattle Japanese Garden 2020
PLANTS OF THE SEATTLE JAPANESE GARDEN 2020 Acknowledgments The SJG Plant Committee would like to thank our Seattle Parks and Recreation (SPR) gardeners and the Niwashi volunteers for their dedication to this garden. Senior gardener Peter Putnicki displays exceptional leadership and vision, and is fully engaged in garden maintenance as well as in shaping the garden’s evolution. Gardeners Miriam Preus, Andrea Gillespie and Peter worked throughout the winter and spring to ensure that the garden would be ready when the Covid19 restrictions permitted it to re-open. Like all gardens, the Seattle Japanese Garden is a challenging work in progress, as plants continue to grow and age and need extensive maintenance, or removal & replacement. This past winter, Pete introduced several new plants to the garden – Hydrangea macrophylla ‘Wedding Gown’, Osmanthus fragrans, and Cercidiphyllum japonicum ‘Morioka Weeping’. The Plant Committee is grateful to our gardeners for continuing to provide us with critical information about changes to the plant collection. The Plant Committee (Hiroko Aikawa, Maggie Carr, Sue Clark, Kathy Lantz, chair, Corinne Kennedy, Aleksandra Monk and Shizue Prochaska) revised and updated the Plant Booklet. This year we welcome four new members to the committee – Eleanore Baxendale, Joanie Clarke, Patti Brawer and Pamela Miller. Aleksandra Monk continues to be the chief photographer of the plants in the garden and posts information about plants in bloom and seasons of interest to the SJG Community Blog and related SJG Bloom Blog. Corinne Kennedy is a frequent contributor to the SJG website and published 2 articles in the summer Washington Park Arboretum Bulletin highlighting the Japanese Garden – Designed in the Stroll-Garden Style and Hidden Treasure of the Japanese Garden.
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Culture and Propagation of Japanese Maple
Culture and Propagation of Japanese Maple Guy Phillips Professional Paper submitted to the Faculty of the Virginia Polytechnic Institute and State University in partial fulfillment of the requirements for the degree of Master of Forestry in Forestry Approved: ________________________________ John R. Seiler, Chairman _____________________________ _______________________________ Brian C. Kane J. Roger Harris December, 2003 Blacksburg, Virginia Keywords: Acer palmatum, Acer japonicum, asexual propagation, nursery production Copyright 2003, Guy Phillips Culture and Propagation of Japanese Maple Guy Phillips Abstract Japanese maples have maintained a steady presence in nurseries and across the suburban landscape of America for many years now. Their fineness of texture, relatively small stature, and colorful displays are attributes that have earned them the admiration of studied horticulturalists and casual observers alike. This document attempts to compile the published accounts of several decades of observations and experiments pertaining to the general culture and propagation of Japanese maples, most specifically, information pertaining to Acer palmatum. In addition to aesthetic beauty, several factors combine to make Japanese maple a valuable horticultural species. These factors are: seedling variability, wide-ranging environmental adaptability, moderate ease of asexual propagation, limited problems with pest and pathogens in both nursery and landscape settings, and consistent commercial value and appeal. Despite the popularity and overall viability of Japanese maple cultivation, specific information concerning its culture and propagation is limited. Acknowledgements I want to thank this part of Virginia for providing me with a feeling I hadn't felt for a long while - some place to call home. The credit hours have been earned and just in time. This town has become too loud, with construction on every corner, helicopters in the sky too often, kids hollering nonsense just about every night.
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JBG Plant List
Jensen Botanical Garden Plant List When you are at the garden, you will see metal signs with labels. each will have a number and the common name of the plant. This list will give you more information. 1.Valley Oak; Quercus lobata. Native to the interior valleys and sierra foothills. Deciduous. California's mightiest oak, often reaching 70 feet or more, with equal or greater spread. This was on the property when Mr. Jensen bought it and has been estimated to be over 400 years old. 2. Rose; “Day Dream” Shrub. 18-24 inches high and 24-36 inches wide is normal. JBG ones are well established and very happy, so they exceed the normal size. Medium pink flower with a slight fragrance, multiple flowers on each stem. Blooms repeatedly - prune frequently to encourage new blooms. 3. Japanese Maple, Acer palatum “Sangu Kaku” or Senkaki. Vigorous, upright treelike growth. Fall foliage yellow, tinted rose. Twigs, branches striking coral red. 4. Flowering Maple, Abutilon. Evergreen vine shrubs. Part shade. Grown daily for bell shaped flowers. Bloom April-June, but some bloom year round. Available in white, yellow, pink, and red. Attracts bees and hummingbirds. 5. Sage, Salvia microphylla. Blooms all through the hottest summers, attracting hummingbirds and butterflies. Drought tolerant once established. Plant in full sun, grows quickly to 3 foot by 3 foot. 6. Interior live oak; Quercus wislizenii. Native to the Sierra foothills and east side of California’s central valley. Evergreen. Grows 30 - 75 feet high; often broader than high. Oblong, glossy green leaves to 4 inches long, smooth or spiny edged.
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WINTER 2020 GARDEN Northwest Horticultural Society Photo Steffen by Richie Iris Unguicularis Iris Unguicularis Northwest Horticultural Society Gardennotes WINTER 2020
notes WINTER 2020 GARDEN Society Horticultural Northwest Photo by Richie by Steffen Photo Iris unguicularisIris Northwest Horticultural Society GARDENnotes WINTER 2020 2020 Spring Symposium GARDENING for the FUTURE Diversity and Ecology in the Urban Landscape Words and photos by Richie Steffen As gardeners, we recognize that what we create through our community is the goal of this year’s NHS spring symposium, our plantings is enjoyed by more than just ourselves. Many of us Gardening for the Future: Diversity and Ecology in the Urban started gardening for the beauty, fun and the challenges of grow- Landscape. Our speakers represent a view of our gardens through ing plants, but the end result is so much more and often has a a holistic vision, social politics, environmental impact and, of greater impact on our surrounding environment and community. course, floral richness. Many studies have proven that urban gardens provide essential habitat for wildlife and can serve as an oasis for pollinators. Diana Beresford-Kroeger is an Irish botanist, medical biochemist There is little doubt that gardening has a and author of several books including her positive influence on the urban landscape. newly released To Speak for the Trees: My There is also little doubt on the benefits of Life’s Journey from Ancient Celtic Wisdom gardening on society. Gardening can cut to a Healing Vision of the Forest which through social barriers and bring communi- will be the focus of her lecture. Beresford- ties together. Plants can link generations Kroeger embarked on a change in her life’s together; who doesn’t know of someone work in the early 1980’s beginning with an with grandma’s daylily or an African violet expansion of her private research garden that has been passed from family member and arboretum, Carrigliath.
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Frawley Poster (NHRE 2016)
A Nuclear and Chloroplast Phylogeny of Maple Trees (Acer L.) and their close relatives (Hippocastanodeae, Sapindaceae) Emma Frawley1,2, AJ Harris2, Jun Wen2 1 Department of Environmental Studies, Bucknell University 2 Department of Botany, National Museum of Natural History INTRODUCTION: RESULTS AND DISCUSSION: Section Key: Acer carpinifolium Acer elegantulum A. Map Key: -/97Acer elegantulum B. Acer saccharum subsp. grandidentatum Acer pubipalmatum The primary goal of this study is to reconstruct a molecular phylogeny of the woody Palmata Acer elegantulum Acer pubipalmatum Acer hycranum Western North America Acer wuyangense Handeliodendron (Rehder) Acer wuyangense Handeliodendron Acer psuedosieboldianum Macrantha Acer campestre 99/100 Acer psuedosieboldianum trees and shrubs in Acer (L.), Dipteronia (Oliv.), the two members of the Acereae tribe, Acer miyabei subsp. miaotaiense Acer oliverianum 99 Acer oliverianum Rehder Platanoidea Acer saccharum subsp. floridatum Eastern North America Acer sp. - Hybrid AJ Harris Acer subsp. - US National Arboretum Acer sp. - Hybrid Acer sieboldianum and Aesculus (L.), Billia (Peyr.), and Handeliodendron (Rehder) of the Hippocastaneae Acer Acer diabolicum Acer sieboldianum Acer tataricum subsp. ginnala Acer sp. - Tibet Europe Acer sp. - Tibet Lithocarpa Acer tschonskii Acer sp. - Tibet Aesculus (L.) Acer pycnanthum Acer sp. - Tibet tribe. These ﬁve taxa make up the subfamily Hippocastanoideae in the family 98/100 Billia Peyr. Acer sacharinum Acer davidiiAcer davidii Ginnala Asia 98 Acer davidii Acer rubrum Acer davidii Sapindaceae. Acereae is especially interesting as it is a large, well-known, and Acer saccharum subsp. floridatum Acer crataegifolium Section Kevin Nixon Negundo 99/100Acer crataegifolium Acer griseum 99 Acer tegmentosum Acer triflorum Acer tegmentosum Trifoliata Acer triflorum 89/100 Acer miyabei subsp.
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