Acer

Acer ginnala (Amur Maple)
Acer monspessulanum (Montpellier Maple)
Acer opalus subsp. obtusatum (Bosnian Maple)
Acer platanoides (Norway Maple)
Acer platanoides 'Crimson King' (Crimson King Norway Maple)
Acer platanoides 'Deborah' (Deborah Norway Maple)
Acer platanoides 'Schwedleri' (Schwedleri Norway Maple)
Acer rubrum (Red Maple )
Acer rubrum 'Bowhall' (Bowhall Red Maple)
Acer rubrum October Glory® (October Glory Red Maple)
Acer rubrum Red Sunset® (Red Sunset Red Maple)
Acer rubrum Redpointe® (Redpointe Red Maple)
Acer saccharinum (Silver Maple)
Acer saccharinum 'Laciniatum' (Cutleaf Silver Maple)

Adansonia

Adansonia digitata (Baobab)

Aesculus

Aesculus californica (California Buckeye )
Aesculus × carnea (Red Flowering Horsechestnut)
Aesculus × carnea 'O'Neill Red' (O'Neill Red Horsechestnut )
Aesculus chinensis (Chinese Horsechestnut)
Aesculus flava (Yellow Buckeye )
Aesculus glabra (Ohio Buckeye )
Aesculus glabra var. arguta (Texas Buckeye )
Aesculus hippocastanum (Horsechestnut)
Aesculus hippocastanum 'Baumannii' (Double Horsechestnut )
Aesculus pavia (Red Buckeye)
Aesculus sylvatica (Painted Buckeye )

Albizia

Albizia julibrissin (Silk Tree )
Albizia julibrissin 'Summer Chocolate' (Summer Chocolate Silk Tree)

Aleurites

Aleurites moluccanus (Candelnut)
Aleurites rockinghamensis (Candelnut)

Alnus

Alnus cordata (Italian Alder)
Alnus glutinosa (Common Alder )
Alnus glutinosa 'Laciniata' (Cutleaf Alder )
Alnus japonica (Japanese Alder)

Amelanchier

Amelanchier × grandiflora (Apple Serviceberry)
Amelanchier × grandiflora Autumn Brilliance® (Autumn Brilliance Serviceberry)
Amelanchier × grandiflora 'Forest Prince' (Forest Prince Serviceberry)
Amelanchier laevis (Allegheny Serviceberry )

Aralia

Aralia elata (Angelica Tree )
Aralia elata 'Variegata' (Variegated Angelica Tree)

Arbutus

Arbutus unedo (Strawberry Tree )

Arctostaphylos

Arctostaphylos × 'Austin Griffiths' (Austin Griffiths Manzanita)
Arctostaphylos andersonii (Santa Cruz Manzanita )
Arctostaphylos manzanita (Parry Manzanita )
Arctostaphylos manzanita 'St. Helena' (St. Helena Manzanita)

Argyrocytisus

Argyrocytisus battandieri (Pineapple Broom )

Artocarpus

Artocarpus altilis (Breadfruit)

Azadirachta

Azadirachta indica (Neem )

Azara

Azara microphylla (Boxleaf Azara)

Buddleia

Buddleia alternifolia (Alternate-leaf Butterfly Bush )

Caragana

Caragana arborescens (Siberian Peashrub )

Carnegiea

Carnegiea gigantea (Saguaro)

Carpinus

Carpinus japonica (Japanese Hornbeam)

Castanea

Castanea dentata (American Chestnut)
Castanea mollissima (Chinese Chestnut)
Castanea sativa (European Chestnut )

Catalpa

Catalpa bignonioides (Southern Catalpa )
Catalpa × erubescens 'Purpurea' (Purple Catalpa)
Catalpa speciosa (Northern Catalpa )

Ceiba

Ceiba speciosa (Floss Silk Tree)

Ceratonia

Ceratonia siliqua (Carob )

Cercidiphyllum

Cercidiphyllum japonicum (Katsura )

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 'Avondale' (Avondale Chinese Redbud)
Cercis siliquastrum (Judus Tree )

Chilopsis

Chilopsis linearis (Desert Willow )

Chionanthus

Chionanthus retusus (Chinese Fringetree)
Chionanthus virginicus (White Fringetree)

Chitalpa

Chitalpa tashkentensis 'Pink Dawn' (Pink Dawn Chitalpa)

Cinnamomum

Cinnamomum camphora (Camphor Tree )

Cladrastis

Cladrastis kentukea (American Yellowwood)

Clerodendrum

Clerodendrum trichotomum (Harlequin Glorybower )
Clerodendrum trichotomum 'Stargazer' (Stargazer Harlequin Glorybower)

Cornus

Cornus 'Eddies White Wonder' (Eddie's White Wonder Dogwood)
Cornus 'Porlock' (Porlock Dogwood)
Cornus Venus® (Venus Dogwood)
Cornus alternifolia (Pagoda Dogwood)
Cornus capitata (Evergreen Dogwood )
Cornus controversa (Giant Dogwood)
Cornus controversa 'June Snow' (June Snow Giant Dogwood)
Cornus × elwinortonii Starlight® (Starlight Dogwood)
Cornus florida (Flowering Dogwood )
Cornus florida 'Golden Nugget' (Golden Nugget Dogwood)
Cornus florida 'Welchii' (Tricolor Dogwood )
Cornus kousa (Kousa Dogwood )
Cornus kousa 'Gold Star' (Gold Star Dogwood)
Cornus kousa Scarlet Fire® (Scarlet Fire Dogwood)
Cornus kousa 'Wolf Eyes' (Wolf Eyes Dogwood)
Cornus mas (Corneliancherry Dogwood)
Cornus officinalis (Japanese Cornelian Dogwood )
Cornus × rutgersensis Celestial® (Celestial Dogwood)

Corylus

Corylus avellana (Hazelnut )
Corylus avellana 'Red Dragon' (Red Dragon Hazelnut)
Corylus avellana 'Rote Zeller' (Rote Zeller Hazelnut)
Corylus colurna (Turkish Hazel)