| Crunchatizer | Beyond Top Shelf | | 50/50 | View variety |
| CrunchBarZ | Beyond Top Shelf | | 60/40 | View variety |
| Crunchberries n Cream | Beyond Top Shelf | | 70/30 | View variety |
| Crunchy Hippi | Top Dawg Seeds | | 70/30 | View variety |
| Crunk Boat | Exotic Genetix | | 70/30 | View variety |
| Crushed Berries | Dungeons Vault Genetics | | 70/30 | View variety |
| Cruz Cake | Crickets and Cicada Seeds | | 50/50 | View variety |
| Cry Baby | Dark Horse Genetics | | 70/30 | View variety |
| Crybaby | Offensive Selections | | 60/40 | View variety |
| Crypto | Moscaseeds | | 60/40 | View variety |
| Crystal Blue | Brothers Grimm | | 50/50 | View variety |
| Crystal Blue | Exotic Genetix | | 80/20 | View variety |
| Crystal Blue Aurora | New420Guy Seeds | | 70/30 | View variety |
| Crystal Blue Persuasion | Beyond Top Shelf | | 60/40 | View variety |
| Crystal Candy | Sweet Seeds | | 80/20 | View variety |
| Crystal Candy Auto | Sweet Seeds | | 70/30 | View variety |
| Crystal Candy F1 Fast Version | Sweet Seeds | | 70/30 | View variety |
| Crystal Candy XL Auto | Sweet Seeds | | 70/30 | View variety |
| Crystal Castles | MassMedicalStrains | | 60/40 | View variety |
| Crystal Chalice | Compound Genetics | | 60/40 | View variety |