Cat's Claw, Yellow Trumpet Vine
Catalina Cherry
Cathedral Windows Coral Bells
Catmint
Cecile Brunner Rose (polyantha)
Cedar Of Lebanon
Cedros Island Verbena cv.
Centennial Coyote Brush
Center Band Agave
Century Plant, Maguey
Chalk Dudleya, Chalk-Lettuce
Chamomile, Roman Chamomile
Chaste Tree
Checkerbloom, Prairie Mallow
Chinese Elm
Chinese Flame Tree
Chinese Forget-me-not
Chinese Fringe Flower
Chinese Fringe Tree
Chinese Holly or Holly Grape