| Coffee |
Coffea arabica |
 |
| Coleus |
Solenostemon scutellarioides |
 |
| Columbine (many) |
Aquilegia |
 |
| Columbine |
Aquilegia vulgaris |
|
| Colville's Glory |
Colvillea racemosa |
 |
| Comfrey, Common Comfrey |
Symphytum officinalis |
|
| Common Coral Tree |
Erythrina crista-galli |
 |
| Common Laburnum |
Laburnum anagyroides (vulgaris) |
|
| Common Polygonum |
Polygonum persicaria |
|
| Common Storksbill |
Erodium cicutarium |
|
| Common Toadflax |
Linaria vulgaris |
|
| Coneflower |
Rudbeckia fulgida |
|
| Coneflower, Purple |
Echinacea purpurea |
|
| Convolvulus |
Convolvulus chilensis |
|
| Copperpod |
Peltophorum ferrugineum |
|
| Coral Bells (many) |
Heuchera |
|
| Coral Bells |
Heuchera |
|
| Coral Shower Tree |
Cassia grandis |
|
| Coral Tree |
Erythrina speciosa |
|
| Coral Vine |
Antigonon leptopus |
|
| Corn Chamomile |
Matricaria inodora |
|
| Corn Cockle |
Agrostemma githago |
|
| Corn Lily |
Ixia |
|
| Cornflower |
Centaurea cyanus |
|
| Corsican Mint |
Mentha requienii |
|
| Corsican Sandwort |
Arenaria balearica |
|
| Cortusa |
Cortusa turkestanica |
|
| Corydalis |
Corydalis wilsonii |
|
| Cosmos |
Cosmos bipinnatus |
|
| Cotton |
Gossypium herbacea |
|
| Cowhage |
Dolichos pruriens |
|
| Cow's Footprint |
Wulfenia amherstiana |
|
| Cowslip |
Primula veris |
|
| Cranesbill (many) |
Geranium |
|
| Cranesbill |
Geranium argenteum |
|
| Cranesbill, Bigroot |
Geranium macrorrhizum |
|
| Cranesbill, Black-eyed Geranium |
Geranium ocellatum |
|
| Cranesbill, Cinquefoil Geranium |
Geranium potentilloides |
|
| Cranesbill, Hedge or Hedgerow |
Geranium pyrenaicum |
|
| Cranesbill, Madeira |
Geranium maderense |
|
| Cranesbill, Richardson's Geranium |
Geranium richardsonii |
|
| Crato Passion Flower |
Passiflora cincinnata |
|
| Creeping Baby's Breath |
Gypsophila repens rosea |
|
| Creeping Cinquefoil |
Potentilla repens |
|
| Creeping Gloxinia |
Lophospermum erubescens |
|
| Creeping Lantana |
Lantana montevidensis |
|
| Crepe Ginger |
Costus speciosus |
|
| Crepe Myrtle |
Lagerstroemeria gigantea |
|
| Cretan Ebony |
Ebenus cretica |
|
| Crimped Bellflower |
Campanula zoysii |
|
| Crocus |
Crocus |
|
| Crocus |
Crocus goulimyi |
|
| Cross Vine |
Bignonia capreolata |
|
| Crown Anemone |
Anemone pavonina |
|
| Crown Daisy |
Chrysanthemum coronarium |
|
| Crown Imperial |
Fritillaria imperialis |
|
| Cubanola |
Cubanola domingensis |
|
| Cuckoo Flower |
Cardamine pratensis |
|
| Culen |
Otholobium glandulosum |
|
| Culver's Root |
Veronicastrum virginicum |
|
| Cumin Bush |
Hermannia saccifera |
|
| Cup and Saucer Vine |
Cobaea scandens |
|
| Cupid's Dart |
Catananche caerulea |
|
| Cyclamen (many) |
Cyclamen |
|
| Cyclamen |
Cyclamen hederifolium |
|
