Crocus tommasinianus
Early Crocus
Crocus x luteus
Yellow Crocus
Crossandra infundibuliformis
Firecracker Flower
Crotalaria pallida
Crotalaria
Cruciata laevipes
Crosswort
Cryptomeria japonica
Japanese Red-cedar
Ctenanthe setosa
Never Never Plant
Cucumis melo
Cantaloupe
Cucurbita pepo
Marrow
Cuphea carthagenensis
Colombian Waxweed
Cuphea hyssopifolia
False Heather
Cupressus nootkatensis
Nootka Cypress
Cupressus x leylandii
Leyland Cypress
Cuscuta epithymum
Dodder
Cuscuta europaea
Greater Dodder
Cyanthillium cinereum
Little Ironweed
Cycas revoluta
Sago Palm
Cyclamen coum
Eastern Sowbread
Cyclamen hederifolium
Sowbread
Cydonia oblonga
Quince
Cymbalaria muralis
Ivy-leaved Toadflax
Cymbidium ensifolium
Four-season Orchid
Cynara cardunculus
Cardoon
Cynoglossum officinale
Hound's-tongue