California Sagebrush
California Sycamore
California Wild Grape
Calla Lilly
Calliopsis
Camphor Tree
Canary Island Pine
Candicans French Lavender
Canyon Gray Sagebrush
Canyon Prince Wild Rye, Island Blue
Cape Honeysuckle
Cape Mallow
Cape or Monarch Daisy
Cape Plumbago
Cape Rush
Caper bush
Capital Callery Pear
Carmel Creeper
Carnation, Clove Pink, Pinks