Abeliophyllum

Abeliophyllum distichum (White Forsythia )

Acer

Acer capillipes (Red Stripebark Maple )
Acer carpinifolium (Hornbeam Maple)
Acer davidii (David Maple )
Acer sempervirens (Cretan Maple)

Adenium

Adenium obesum (Desert Rose )

Alnus

Alnus alnobetula subsp. crispa (American Green Alder)
Alnus cordata (Italian Alder)
Alnus glutinosa (Common Alder )
Alnus incana subsp. rugosa (Speckled Alder )
Alnus japonica (Japanese Alder)

Betula

Betula alleghaniensis (Yellow Birch)
Betula davurica (Asian Black Birch )
Betula lenta (Sweet Birch )
Betula maximowicziana (Monarch Birch)
Betula nana (Dwarf Birch )
Betula nigra (River Birch)
Betula nigra Fox Valley™ (Fox Valley River Birch)
Betula nigra Heritage™ (Heritage River Birch)
Betula pendula (European White Birch )
Betula pendula 'Purpurea' (Purple European Birch)
Betula pendula 'Youngii' (Young's Weeping Birch)
Betula platyphylla (Asian White Birch )
Betula platyphylla Dakota Pinnacle® (Dakota Pinnacle Asian White Birch )
Betula populifolia (Gray Birch )
Betula populifolia 'Whitespire Senior' (Whitespire Senior Gray Birch)
Betula pubescens (Downy Birch)
Betula utilis (Himalayan Birch)
Betula utilis var. albosinensis (Chinese Paper Birch, )
Betula utilis var. jacquemontii (Whitebarked Himalayan Birch)

Buddleia

Buddleia alternifolia (Alternate-leaf Butterfly Bush )
Buddleia globosa (Orange Butterfly Bush )
Buddleia × weyeriana 'Honeycomb' (Honeycomb Butterfly Bush)

Calycanthus

Calycanthus floridus (Carolina Allspice )
Calycanthus × raulstonii 'Hartlage Wine' (Hartlage Wine Sweetbush )

Carpinus

Carpinus betulus (European Hornbeam)
Carpinus betulus Emerald Avenue® (Emerald Avenue European Hornbeam)
Carpinus betulus 'Fastigiata' (Pyramidal European Hornbeam)
Carpinus caroliniana (American Hornbeam)
Carpinus coreana (Korean Hornbeam)
Carpinus fangiana (Monkey Tail Hornbeam)
Carpinus japonica (Japanese Hornbeam)
Carpinus orientalis (Oriental Hornbeam)

Castanea

Castanea mollissima (Chinese Chestnut)

Cercis

Cercis canadensis (Eastern Redbud)
Cercis canadensis 'Forest Pansy' (Forest Pansy Redbud)
Cercis canadensis 'Ruby Falls' (Ruby Falls Weeping Redbud)
Cercis canadensis var. alba (White Flowered Redbud)
Cercis canadensis var. mexicana (Mexican Redbud)
Cercis canadensis var. texensis 'Oklahoma' (Oklahoma Redbud)
Cercis chinensis (Chinese Redbud)
Cercis chinensis 'Avondale' (Avondale Chinese Redbud)
Cercis occidentalis (Western Redbud )
Cercis siliquastrum (Judus Tree )

Chimonanthus

Chimonanthus praecox (Fragrant Wintersweet)

Clethra

Clethra alnifolia (Summersweet )
Clethra alnifolia 'Ruby Spice' (Ruby Spice Summersweet )

Corylopsis

Corylopsis (Winterhazel)
Corylopsis pauciflora (Buttercup Winterhazel)
Corylopsis spicata (Spike Winterhazel)

Corylus

Corylus americana (American Hazel )
Corylus avellana (Hazelnut )
Corylus avellana 'Contorta' (Contorted Filbert )
Corylus avellana 'Red Dragon' (Red Dragon Hazelnut)
Corylus avellana 'Rote Zeller' (Rote Zeller Hazelnut)

Crataegus

Crataegus germanica (Medlar)

Davidia

Davidia involucrata (Dove Tree )

Deutzia

Deutzia gracilis (Slender Deutzia)
Deutzia gracilis 'Nikko' (Nikko Slender Deutzia)
Deutzia × kalmiiflora (Kalmia Flowered Deutzia)
Deutzia paviflora var. amurensis (Amur Deutzia)
Deutzia scabra (Fuzzy Deutzia)
Deutzia scabra 'Flore-pleno' (Flore-pleno Fuzzy Deutzia)
Deutzia scabra 'Godsall Pink' (Godsall Pink Fuzzy Deutzia)

Disanthus

Disanthus cercidifolius (Redbud Hazel)

Encelia

Encelia farinosa (Brittlebush )

Enkianthus

Enkianthus campanulatus (Redvein Enkianthus)

Eucommia

Eucommia ulmoides (Hardy Rubber Tree )

Exochorda

Exochorda racemosa (Common Pearlbush)

Fagus

Fagus grandifolia (American Beech)
Fagus sylvatica (European Beech)
Fagus sylvatica 'Miltonensis' (Milton Weeping European Beech)
Fagus sylvatica 'Purple Fountain' (Purple Fountain European Beech)
Fagus sylvatica 'Purpurea' (Purpleleaf European Beech, )
Fagus sylvatica 'Red Obelisk' (Red Obelisk European Beech)
Fagus sylvatica 'Rotundifolia' (Roundleaf European Beech)
Fagus sylvatica 'Tortuosa Purpurea' (Contorted Purple Beech)
Fagus sylvatica f. pendula (Weeping European Beech)

Fontanesia

Fontanesia philliraeoides subsp. fortunei (Fontanesia)

Forsythia

Forsythia × intermedia (Border Forsythia)

Franklinia

Franklinia alatamaha (Franklin Tree )

Fraxinus

Fraxinus anomala (Singleleaf Ash )

Halesia

Halesia carolina (Carolina Silverbell )

Hamamelis

Hamamelis × intermedia 'Arnold Promise' (Arnold Promise Witchhazel)
Hamamelis × intermedia 'Diane' (Diane Witchhazel)
Hamamelis × intermedia 'Jelena' (Jelena Witchhazel)
Hamamelis × intermedia 'Primivera' (Primivera Witchhazel)
Hamamelis vernalis (Vernal Witchhazel )
Hamamelis virginiana (Common Witchhazel)

Hovenia

Hovenia dulcis (Japanese Raisintree )