| Scientific Name |
Common Name(s) |
Plant Category |
Image |
| Castanea sative |
Spanish chestnut |
Trees |
 |
| Castilleja coccinea |
Indian paintbrush, Scarlet painted-cup |
Wildflowers |
 |
| Catalpa bignonioides |
Southern catalpa |
Native Plants, Trees |
 |
| Catalpa speciosa |
Northern catalpa |
Native Plants, Trees |
 |
| Catharanthus roseus |
Madagascar periwinkle, Periwinkle, Vinca |
Annuals, Poisonous Plants |
 |
| Caulophyllum thalictroides |
Blue cohosh |
Poisonous Plants |
 |
| Ceanothus americanus |
Mountain snowbell, New Jersey tea |
Native Plants, Shrubs |
 |
| Ceanothus thyrsiflorus |
Blue Blossom, Blueblossom |
Shrubs |
 |
| Ceanothus x delilianus |
French hybrid ceanothus |
Shrubs |
 |
| Ceanothus x pallidus |
Ceanothus |
Shrubs |
 |
| Cedrela sinsensis |
Chinese cedrela, Chinese toon |
Trees |
 |
| Cedrus atlantica |
Atlas cedar |
Trees |
 |
| Cedrus atlantica 'Glauca Pendula' |
Weeping blue atlas cedar |
Shrubs |
 |
| Cedrus atlantica 'Glauca' |
Blue Atlas cedar |
Trees |
 |
| Cedrus deodara |
Deodar cedar |
Trees |
 |
| Cedrus deodara 'Pendula' |
Weeping Himalayan cedar |
Shrubs |
 |
| Cedrus deodara 'Snow Sprite' |
Snow Sprite deodar cedar |
Shrubs |
 |
| Cedrus libani |
Cedar of Lebanon |
Trees |
 |
| Celastrus orbiculatus |
Asian bittersweet, Chinese bittersweet, Oriental bittersweet |
Vines |
 |
| Celastrus scandens |
American bittersweet, Bittersweet, Climbing bittersweet |
Native Plants, Poisonous Plants, Vines |
 |
| Celosia argentea var. cristata |
Cockscomb celosia |
Annuals |
 |
| Celosia argentea var. plumosa |
Plume cockscomb, Plumed celosia |
Annuals |
 |
| Celtica gigantea |
Giant feather grass, Giant needle grass, Golden oats |
Ornamental Grass |
 |
| Celtis laevigata |
Southern Hackberry, Sugar Hackberry, Sugarberry |
Native Plants, Trees |
 |
| Celtis occidentalis |
Hackberry |
Native Plants, Shrubs, Trees |
 |
| Celtis tenuifolia |
Dwarf hackberry, Georgia hackberry, Small hackberry, Sugar hackberry, Upland hackberry |
Native Plants, Shrubs, Trees |
 |
| Centaurea cineraria |
Dusty miller |
Annuals |
 |
| Centaurea cyanus |
Bachelor's button, Cornflower |
Annuals, Edible Plants |
 |
| Centaurea maculosa |
Spotted knapweed |
Wildflowers |
 |
| Centaurea montana |
Mountain bluet |
Perennials |
 |
| Centranthus ruber |
Red valerian |
Perennials |
 |
| Cephalanthus occidentalis |
Buttonbush |
Native Plants, Shrubs |
 |
| Cephalotaxus harringtonia |
Japanese plum yew, Spreading plum yew |
Shrubs |
 |
| Cephalotaxus harringtonia 'Duke Gardens' |
Duke Gardens yew |
Shrubs |
 |
| Cephalotaxus harringtonia 'Prostrata' |
Prostrate Japanese plum yew |
Shrubs |
 |
| Cerastium fontanum ssp. vulgare |
Mouseear chickweed |
Annuals, Herbs, Perennials |
 |
| Cerastium tomentosum |
Snow-in-summer |
Groundcover |
 |
| Ceratiola ericoides |
Florida rosemary, Sandhill rosemary |
Native Plants, Shrubs |
 |
| Ceratostigma plumbaginoides |
Dwarf plumbago, Leadwort |
Groundcover, Perennials |
 |
| Cercidiphyllum japonicum |
Japanese judas tree, Katsura tree |
Trees |
 |
| Cercis canadensis 'Forest Pansy' |
Eastern redbud, Forest pansy redbud |
Trees |
 |
| Cercis canadensis 'NCCC1' PPAF |
Carolina Sweetheart™ Redbud, Eastern redbud, Judas tree |
Native Plants, Trees |
 |
| Cercis canadensis ‘Merlot’ |
Merlot redbud |
Shrubs, Trees |
|
| Cercis canadensis ‘Ruby Falls’ |
Ruby falls redbud |
Shrubs, Trees |
|
| Cercis canadensis ‘Whitewater’ |
Whitewater redbud |
Shrubs, Trees |
|
| Cercis canadensis var. canadensis |
Eastern redbud, Redbud |
Native Plants, Trees |
 |
| Cercis canadensis var. mexicana |
Mexican redbud |
Shrubs, Trees |
 |
| Cercis canadensis var. texensis 'Oaklahoma' |
Oklahoma redbud |
Shrubs, Trees |
 |
| Cercis chinensis |
Chinese redbud |
Shrubs, Trees |
 |
| Cercis chingii |
Chinese redbud, Ching's redbud |
Trees |
 |
