Calendula, Pot Marigold
California Buckwheat
California Fuchsia, Zauschneria
Calla Lily or Calla
Camass, Cusick
Camellia, Common
Camellia, Japanese 'Magnoliaeflora'
Camellia, Kramer's Supreme
Camellia, Sun 'Chansonette'
Camellia, Sun / Sansanqua
Canary Flower, Hairy
Canterbury Bells, Cup-And-Saucer
Cardinal Flower, Indian Pink
Carnation, Clove Pink
Carolina Allspice, Pineapple Shrub
Carolina Laurel Cherry
Cast Iron Plant
Catalina Cherry
Catalpa, Western
Catmint