Spiraea japonica Walberton's® 'Plumtastic'

Abelia chinensis Autumn Festival ® 'Minabaut01' Abeliophyllum distichum Acer campestre Acer campestre 'Carnival' Acer davidii ssp. grosseri Acer griseum Acer negundo 'Auratum' Acer negundo 'Flamingo' Acer negundo 'Variegatum' Acer palmatum Acer palmatum 'Asahi-Zuru' Acer palmatum 'Atropurpureum' Acer palmatum 'Bloodgood' Acer palmatum 'Brown Sugar' Acer palmatum 'Butterscotch' Acer palmatum 'Crimson Queen' Acer palmatum 'Deshojo' Acer palmatum 'Emerald Lace' Acer palmatum 'Garnet' Acer palmatum 'Going Green' Acer palmatum 'Katsura' Acer palmatum 'Momoiro Koyasan' Acer palmatum 'Orange Dream' Acer palmatum 'Ornatum' Acer palmatum 'Skeeter's Broom' Acer palmatum 'Starfish' PBR Acer palmatum 'Wilson's Pink Dwarf' Acer palmatum var.dissectum Acer pensylvanicum Acer pensylvanicum 'Erythrocladum' Acer pictum (Acer mono) Acer platanoides Acer platanoides 'Marit' Acer pseudoplatanus 'Brilliantissimum' Acer pseudoplatanus 'Nizetii' Acer pseudoplatanus 'Tricolor' Acer rubrum Acer rubrum 'Scanlon' Acer rufinerve 'Albolimbatum' Acer rufinerve 'Winter Gold' Acer saccharum 'Newton Sentry' Acer shirasawanum 'Aureum' Acer sterculiaceum Acer tataricum subsp. ginnala Acer tataricum subsp. semenovii Acer tegmentosum Acer tegmentosum 'Joe Witt' Actinidia kolomikta Aeonium undulatum Aesculus glabra Aesculus hippocastanum Aesculus hippocastanum 'Hamptum Gold' Aesculus hippocastanum 'Wratislavia' Aesculus indica Aesculus pavia Aesculus pavia 'Atrosanguinea' Aesculus pavia 'Koehnei' Aesculus x carnea Aesculus x carnea 'Briotii' Aesculus x mutabilis 'Induta' Aesculus x neglecta 'Autumn Fire' Ailanthus altissima Albizia julibrissin 'Summer Chocolate' Albizia julibrissin 'Tropical Dream' Alnus cordata Amelanchier 'Ballerina' Amelanchier arborea 'Robin Hill' Amelanchier lamarckii Amorpha canescens Andromeda polifolia 'Blue Ice' Andromeda polifolia 'Compacta' Aralia elata Aralia elata var. mandshurica Aralia stipulata Aronia melanocarpa 'Hugin' Aronia melanocarpa 'Revontuli Hedger' RBR Aronia melanocarpa 'Revontuli Mound' RBR Aronia melanocarpa 'Revontuli Spreader' RBR Aronia x prunifolia 'Viking' Asimina triloba Aucuba japonica 'Crotonifolia'

Daphne × burkwoodii 'Briggs Moonlight' Daphne arbuscula Daphne mezereum Daphne mezereum f.alba Daphne tangutica Daphne x burkwoodii 'Gold Edge' Davidia involucrata Davidia involucrata var.vilmoriniana Decaisnea fargesii Deutzia × hybrida 'Mont Rose' Deutzia crenata Deutzia crenata 'Pride of Rochester' Deutzia gracilis Deutzia gracilis 'Nikko' (D. crenata ‘Nikko’) Deutzia gracilis 'Variegata' Deutzia longifolia 'Veitchii' Deutzia ningpoensis Deutzia scabra 'Candidisima' Deutzia x hybrida 'Pink Pom-Pom' Deutzia x hybrida 'Strawberry Fields' Deutzia x myriantha Deutzia Yuki Cherry Blossom 'NCDX2' Deutzia Yuki Snowflake 'NCDX1' Diervilla rivularis 'Kodiak® Black' Diervilla rivularis 'Kodiak® Orange' Diervilla rivularis 'Kodiak® Red' Diervilla sessilifolia 'Cool Splash'® PBR Diervilla x splendens Diva 'El Madrigal' PBR Dioscorea balcanica Dipteronia sinensis Disanthus cercidifolius

Fabiana imbricata 'Prostrata' Fagus sylvatica Fagus sylvatica 'Asplenifolia' Fagus sylvatica 'Atropunicea' (F. syl. 'Purpurea') Fagus sylvatica 'Aurea Pendula' Fagus sylvatica 'Bornyensis' Fagus sylvatica 'Dawyck Gold' Fagus sylvatica 'Dawyck Purple' Fagus sylvatica 'Lacinata' Fagus sylvatica 'Miltonensis' Fagus sylvatica 'Pendula' Fagus sylvatica 'Purpurea Nana' Fagus sylvatica 'Purpurea Pendula' Fagus sylvatica 'Remillyensis' Fagus sylvatica 'Rohan Obelisk' Fargesia murielae 'Luca' Ficus carica Firmiana simplex Forsythia 'Maluch' Forsythia ‘Goldrausch’ Forsythia MARÉE D'OR 'Courtasol' Forsythia x intermedia 'Goldzauber' Forsythia x intermedia 'Lynwood' Forsythia x intermedia 'Mindor' Forsythia x intermedia 'Spectabilis' Forsythia x intermedia 'Week-End' ® (F. x int. 'Courtalyn') Forsythia x intermedia Mikador 'Minfor6' PBR ® Fothergilla gardenii Fothergilla gardenii 'Blue Shadow' Fothergilla major Franklinia alatamaha Fraxinus angustifolia Fraxinus excelsior Fraxinus excelsior 'Aurea' Fraxinus excelsior 'Diversifolia' Fraxinus holotricha Fraxinus ornus

Gaultheria procumbens Genista lydia Genista pilosa 'Vancouver Gold' Genista tinctoria 'Royal Gold' Gleditsia triacanthos Gleditsia triacanthos 'Inermis' Gleditsia triacanthos 'Sunburst' Gymnocladus dioica

Ilex 'Clusterberry' Ilex aquifolium Ilex aquifolium 'Rubricaulis Aurea' Ilex crenata 'Golden Gem' Ilex crenata 'Luxus Globe' PBR Ilex glabra Gembux 'SMNIGAB17' Ilex meserveae 'Heckenstar' Ilex opaca Ilex verticillata Ilex verticillata 'Oosterwijk' Ilex x meserveae 'Blue Angel' Ilex x meserveae 'Blue Boy' Ilex x meserveae 'Blue Girl' Ilex x meserveae 'Blue Prince' Ilex x meserveae 'Blue Princess' Ilex x meserveae 'Heckenfee' Ilex x meserveae 'Heckenpracht' PBR Indigofera 'Gerardiana' Indigofera decora Indigofera heterantha Indigofera potaninii Itea virginica 'Beppu' Itea virginica 'Henry Garnet' Itea virginica 'Little Henry' Itea virginica 'Scentlove'®

Jasminum nudiflorum Juglans mandshurica Juglans regia Juglans regia 'Leopold'

Kalmia angustifolia 'Rubra' Kalmia latifolia Kalmia latifolia 'Ewa' Kalmia latifolia 'Midnight' Kalmia latifolia 'Minuet' Kalmia latifolia 'Ostbo Red' Kalmia latifolia 'Splendens' Kalopanax pictus Kerria japonica Kerria japonica 'Pleniflora' Koelreuteria bipinnata Koelreuteria paniculata Kolkwitzia amabilis Kolkwitzia amabilis 'Adorabelle'® Kolkwitzia amabilis 'Pink Cloud'

Laburnum anagyroides Laburnum anagyroides 'Quercifolium' Laburnum watereri 'Vossii' Lavandula angustifolia Lavandula angustifolia 'Alba' Lavandula angustifolia 'Anna' Lavandula angustifolia 'Dwarf Blue' Lavandula angustifolia 'Hidcote' Lavandula angustifolia 'Munstead' Lavandula angustifolia 'Royal Purple' Lavandula intermedia 'Phenomenal' ('Niko') PBR Lavandula intermedia Exceptional ('Hillav') PBR Lavandula intermedia Sensational! 'Tesseract' PBR Lavandula stoechas 'Bella Rose' Lavandula stoechas 'Papillon' Lavandula x intermedia 'Grappenhall' Lavandula x intermedia 'Phenomenal' Lavandula x intermedia 'Seal' Ledum groenlandicum 'Compactum' Lespedeza bicolor Lespedeza bicolor 'Yakushima' Leucothoe axillaris 'Curly Red' Leucothoe Scarletta 'Zeblid' Leucothoe walteri 'Rainbow' Leycesteria formosa 'Little Lanterns' Leycesteria formosa 'Purple Rain' Leycesteria formosa Golden Lanterns 'Notbruce' Ligustrum 'Vicaryi' Ligustrum ibota 'Musli' PBR Ligustrum ovalifolium 'Aureum' Ligustrum vulgare 'Atrovirens' Lindera obtusiloba Liquidambar styraciflua Liquidambar styraciflua 'Aurora' Liquidambar styraciflua 'Golden Treasure' Liquidambar styraciflua 'Worplesdon' Liriodendron tulipifera Liriodendron tulipifera 'Aureomarginata' Liriodendron tulipifera 'Edward Gursztyn' PBR Liriodendron tulipifera 'Fastigiata' Lonicera kamtschatica (Lonicera caerulea var. kamtschatica) Lonicera nitida 'Golden Glow' PBR Lonicera nitida 'Lemon Beauty' Lonicera pileata 'Moss Green' Lonicera vesicaria Lycium barbarum 'New Big'

Nandina domestica Nandina domestica 'Firepower' Neillia thibetica Nothofagus obliqua Nyssa sylvatica

Olearia macrodonta Osmanthus × burkwoodii Osmanthus delavayi Ostrya carpinifolia Ostrya japonica Oxydendrum arboreum

Quercus 'Monument' PBR Quercus bicolor Quercus cerris Quercus crassifolia Quercus dentata Quercus frainetto Quercus ilex Quercus imbricaria Quercus macranthera Quercus palustris 'Green Dwarf' Quercus palustris 'Isabel' Quercus petraea 'Eastcolumn' Quercus pontica Quercus robur Quercus robur 'Bartek' Quercus robur 'Concordia' Quercus robur 'Fastigiata' Quercus robur 'Pendula' Quercus robur 'Posnania' Quercus rubra Quercus sp. Quercus suber Quercus velutina Quercus x bimundorum Crimson Spire 'Crimschmidt' Quercus x hispanica 'Lucombeana' Quercus x warei 'Regal Prince' syn. 'Long' PBR

Tamarix chinensis Tamarix gallica Tamarix ramosissima 'Pink Cascade' (T. pentandra 'Pink Cascade') Tamarix tetrandra Tetradium daniellii syn. Evodia daniellii Tilia cordata Tilia cordata 'Komsta Minima' Tilia x europaea 'Wratislaviensis' Toona sinensis 'Flamingo'

Ulmus 'Camperdownii' Ulmus 'Columella' Ulmus carpinifolia 'Variegata' Ulmus glabra Ulmus glabra 'Exoniensis' ('Fastigiata') Ulmus hollandica 'Wredei' Ulmus minor 'Louis van Houtte' Ulmus minor 'Sarniensis' Ulmus parvifolia

Xanthorhiza simplicissima

Zelkova carpinifolia Zelkova serrata i 'Variegata' Zenobia pulverulenta