California Lilac
California Pepper, Mission Pepper
California Poppy, Golden Poppy
California Sagebrush
California Sycamore
California Wild Grape
Calla Lily
Calliopsis, Annual Coreopsis
Camphor Tree
Canary Island Date Palm
Canary Island Pine
Candicans French Lavender
Canyon Gray Sagebrush
Canyon Prince Wild Rye
Cape Honeysuckle
Cape Mallow
Cape or Monarch Daisy
Cape Plumbago
Cape Rush
Capital Columnar Callery Pear