Trees that start with c

Calendula, Calla lily, Camellia, Candytuft, Canna, Cardinal flower, Carnation, Carolina rose, Casa Blanca lily, China rose, Chrysanthemum, Cockscomb crested, Coneflower, Cosmos, Coxcomb, Creeping phlox, Crocus, Curcuma and Cymbidium orchid are flowers.