| Fang | Envy Genetics | | 70/30 | View variety |
| Fanta Sea | Ethos Genetics | | 60/40 | View variety |
| Fantasmo Express | Mephisto Genetics | | 60/40 | View variety |
| Fantasy Island | Bodhi Seeds | | 60/40 | View variety |
| Fantasy Land | Cult Classics Seeds | | 60/40 | View variety |
| Far Out | Mandala Seeds | | 20/80 | View variety |
| Faraona | Kannabia Seeds | | 50/50 | View variety |
| Farmers Daughter | Humboldt Seed Company | | 70/30 | View variety |
| Farmer’s Fire | Second Generation Genetics | | 40/60 | View variety |
| Fart Blossom | ITC Genetics | | 60/40 | View variety |
| Faspak | Thunderfudge | | 90/10 | View variety |
| Fast & Vast | Heavyweight Seeds | | 60/40 | View variety |
| Fast Bionic Girl | Real Gorilla Seeds | | 50/50 | View variety |
| Fast Bionic Guerrilla | HighRise Seeds | | 50/50 | View variety |
| Fast Blast | Afropips Seeds | | 70/30 | View variety |
| Fast Bud #2 Auto | Sweet Seeds | | 50/50 | View variety |
| Fast Bud Auto | Sweet Seeds | | 50/50 | View variety |
| Fast Bud Outdoor | Spliff Seeds | | 10/90 | View variety |
| Fast Caramel | Zamnesia | | 80/20 | View variety |
| Fast Caramelic | Anesia Seeds | | 70/30 | View variety |