Carob Carob, St. John's Bread
'Carol Delight' Japanese Camellia Carolina Ash
'Carolina Beauty' Crapemyrtle: indica Carolina Beech
Carolina Buckthorn (spp.) Carolina Buckthorn 'Emerald Charm™'
Carolina Hemlock Carolina Laurel Cherry (spp.)
Carolina Laurel Cherry 'Compacta' Carolina Poplar (spp.)
Carolina Poplar 'Siouxland' Carolina Silverbell (spp.)
Carolina Willow Carpentaria Palm
Carrotwood Casada, Wild
Cascade Fir 'Cascade' Possum Haw Holly
Cascalote Cashew
Caspian Locust Dwarf Cassava, Bitter Variegated
Cassia Cassie, Roman
Cassine Cassine Holly
Cassine: papillosa 'Castlewellan' Cherry Laurel
Castor Aralia Castor Oil Tree, Prickly
Catalina Cherry Catalpa
Catalpa, Chinese Catalpa, Early Flowering (spp.)
Catalpa, Early Flowering 'Pulveralenta' Catalpa, Farges
Catalpa, Hardy (spp.) Catalpa, Hardy 'Pulveralenta'
Catalpa, Northern (spp.) Catalpa, Northern 'Pulveralenta'
Catalpa, Southern (spp.) Catalpa, Southern Dwarf
Catalpa, Southern Golden Catalpa, Western (spp.)
Catalpa, Western 'Pulveralenta' Catalpa: spp.
'Cathedral Oak™ (Shadowlawn)' Southern Live Oak Cat's Claw
Cattley Guava Cattley Guava: littorale
Caucasian Elm Caucasian Maple (spp.)
Caucasian Maple Golden Caucasian Oak
Caucasian Zelkova Ceanothus (spp.)
Ceanothus, Green bark Ceanothus, Hairy
Ceanothus, Jimbrush Ceanothus: hybrid 'Sierra Snow'