California Wild Grape
Calla Lily or Calla
Camphor Tree
Canary Island Date Palm
Canary Island Pine
Canyon Prince Wild Rye
Cape Honeysuckle
Cape Honeysuckle, Aurea
Cape Mallow
Cape Plumbago
Cape Rush
Cape Weed, Cape Gold
Capital Columnar Callery Pear
Cardinal Flower, Indian Pink
Carmel Creeper
Carmine Bells Australian Fuchsia
Carnation, Clove Pink
Carob Tree, St. John's Bread
Carolina Jessamine
Carolina Laurel Cherry