| Flashburn | Alphakronik Genes | | 50/50 | View variety |
| Flat Earth | MassMedicalStrains | | 30/70 | View variety |
| FlatAffie | Bald man Lala Seeds | | 80/20 | View variety |
| Flatbrainers | Scapegoat Genetics | | 50/50 | View variety |
| Flatbubble | Bald man Lala Seeds | | 70/30 | View variety |
| Flatland Basic | Bald man Lala Seeds | | 60/40 | View variety |
| Flatland Basic x Bubblechung | Bald man Lala Seeds | | 70/30 | View variety |
| Flav-O-Rama | Matchmaker Genetics | | 60/40 | View variety |
| Flava Flav | Lit Farms | | 60/40 | View variety |
| Flavor Burst | Sigma | | 60/40 | View variety |
| Flavor Country | Archive Seed Bank | | 70/30 | View variety |
| Flavor Crystals | Compound Genetics | | 60/40 | View variety |
| Flavor Fuel | Seattle Chronic Seeds | Gelatti · Gellatti × Unknown Strain · [CBG] | 50/50 | View variety |
| Flavour Pack | Archive Seed Bank | | 60/40 | View variety |
| Flazh | Bask Triangle Farms | | 50/50 | View variety |
| Fleabag | Sunshine Dream Genetics | | 60/40 | View variety |
| Fleaflicker | Slanted Farms Seed Company | | 60/40 | View variety |
| FleebJuice | Red Scare Seed Company | GG4 x MendoBreathF2 x DosiDos [generation F2] × GMO Fuel F3 · F3 | 50/50 | View variety |
| Fleetwood Mac | Unknown | | 50/50 | View variety |
| Flex Fuel | Flight Time Genetics | | 80/20 | View variety |