C
| FLOWER | COLOR | MEANING |
| Cactus | – – – | Endurance, Warmth |
| Caladium | – – – | Great joy, Delight |
| Calla | – – – | Magnificent Beauty |
| Camellia | – – – | Perfection, Admiration, Gratitude, Loveliness, Excellence, Beauty |
| Camellia | Pink | Longing for You |
| Camellia | Red | Unpretending Excellence, You’re a Flame in My Heart |
| Camellia | White | Perfected Loveliness, You’re Adorable |
| Candytuft | – – – | Indifference |
| Carnation | – – – | Joy, Fascination, Love, Bonds of Love, Admiration, Distinction |
| Carnation | Pink | I’ll Never Forget You |
| Carnation | Purple | Capriciousness |
| Carnation | Red | Alas Poor Heart, My Heart Aches For You, Admiration |
| Carnation | Striped | Sorry I can’t be with you, No, Refusal |
| Carnation | White | Innocence, Sweet, Lovely, Pure, Ardent Love, Honesty |
| Carnation | Yellow | Disdain, Rejection |
| Cattail | – – – | Peace, Prosperity |
| Chrysanthemum | – – – | Cheerfulness, You’re a Wonderful Friend, Rest, Optimism |
| Chrysanthemum | Red | Love, I Love You |
| Chrysanthemum | White | Truth |
| Chrysanthemum | Yellow | Slighted love |
| Clover | – – – | Good luck |
| Cowslip | – – – | Pensiveness, Winning Grace |
| Coral Bells | – – – | Challenge |
| Cosmos | – – – | Modesty |
| Crocus | – – – | Youthful gladness, Gladness, Cheerfulness |
| Cyclamen | – – – | Resignation, Goodbye, Modesty, Shyness |