Abelia

Abelia × grandiflora (Glossy Abelia)

Acer

Acer capillipes (Red Stripebark Maple )
Acer carpinifolium (Hornbeam Maple)
Acer davidii (David Maple )
Acer henryi (Henry's Maple)
Acer sempervirens (Cretan Maple)

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 parviflora (Bottlebrush Buckeye)
Aesculus pavia (Red Buckeye)
Aesculus pavia 'Humilis' (Dwarf Red Buckeye)
Aesculus sylvatica (Painted Buckeye )

Agave

Agave macroacantha (Black-spinned Agave)

Alnus

Alnus alnobetula (Circumpolar alder group )
Alnus alnobetula subsp. sinuata (Sitka Alder )
Alnus alnobetula subsp. crispa (American Green Alder)
Alnus cordata (Italian Alder)
Alnus glutinosa (Common Alder )
Alnus incana subsp. rugosa (Speckled Alder )
Alnus incana subsp. tenuifolia (Thinleaf Alder )
Alnus japonica (Japanese Alder)
Alnus rhombifolia (White Alder)
Alnus rubra (Red Alder )

Amorpha

Amorpha nana (Dwarf Wild Indigo )

Arctostaphylos

Arctostaphylos andersonii (Santa Cruz Manzanita )
Arctostaphylos insularis (Island Manzanita)
Arctostaphylos pajaroensis (Pajaro Manzanita)
Arctostaphylos pajaroensis 'Bretts Beauty' (Brett's Beauty Manzanita)
Arctostaphylos tomentosa (Wolly Manzanita )

Baccharis

Baccharis pilularis (Coyote Bush )

Betula

Betula alleghaniensis (Yellow Birch)
Betula davurica (Asian Black Birch )
Betula glandulosa (Dwarf 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 occidentalis (Water Birch )
Betula papyrifera (Paperbark 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 davidii (Butterfly Bush)
Buddleia globosa (Orange Butterfly Bush )

Calycanthus

Calycanthus × raulstonii 'Hartlage Wine' (Hartlage Wine Sweetbush )

Camellia

Camellia japonica (Japanese Camellia)
Camellia sasanqua (Sasanqua Camellia)

Carpenteria

Carpenteria californica (Bush Anemone)

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)

Carya

Carya illinoinensis (Pecan)
Carya laciniosa (Shellbark Hickory)
Carya ovata (Shagbark Hickory)

Castanea

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

Ceanothus

Ceanothus 'Dark Star' (Dark Star Ceanothus)
Ceanothus cuneatus (Narrowleaf Buckbrush )
Ceanothus cuneatus var. rigidus 'Snowball' (Snowball Ceanothus)
Ceanothus gloriosus (Point Reyes Ceanothus )
Ceanothus impressus (Santa Barbara Ceanothus)
Ceanothus integerrimus (Deer Brush)
Ceanothus sanguineus (Redstem Ceanothus )
Ceanothus thyrsiflorus (Blue Blossom)
Ceanothus thyrsiflorus 'El Dorado' (El Dorado Ceanothus )
Ceanothus velutinus (Snowbrush )

Ceiba

Ceiba speciosa (Floss Silk Tree)

Celtis

Celtis reticulata (Netleaf Hackberry )

Cercocarpus

Cercocarpus betuloides (Birchleaf Mountain-mahogany )
Cercocarpus minutiflorus (Smooth Mountain-mahogany)

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 )