Cosmos
Couesii Century Plant
Coulter Pine, Bigcone Pine
Coyote Bush
Coyote Bush Prostrate
Crape Myrtle
Cream Bush, Ocean Spray
Creeping Fig
Creeping Mahonia
Creeping Mirror Plant
Creeping Red Fescue, Red Fescuegras
Creeping Wire Vine
Crested Celosia, Chinese Woolflower
Crimson King Maple
Crimson Queen Maple
Crimson Spot Rockrose
Croton
Cup Flower
Curl-leaf Mountain Mahogany