Cornflower
Cosmos
Couesii Century Plant
Coulter Pine
Coyote Bush
Coyote Bush Prostrate
Crabapple
Crane's Bill
Crape Myrtle
Cream Bush
Creeping Charlie
Creeping Fig
Creeping Juniper
Creeping Mahonia
Creeping Red Fescue, Red Fescuegras
Creeping St. Johnswort
Creeping Thyme
Creeping Wire Vine
Crested Celosia
Crimson King Maple