Columnar Norway Maple
Commom Aubrieta
Common Garden Canna
Compact Gold Coin
Compact Karo
Compact Myrtle
Concha California Lilac
Conejo Buckwheat
Copper King Gazania
Coral Bark Maple
Coral Beauty Bearded Iris
Coral Bells
Coral Bells, Spangles
Coral Fountain, Firecracker Plant
Coral Gum
Cork Oak
Cornflower, Bachelor's Button
Cosmos
Couesii Century Plant