| Modified Grapes | Symbiotic Genetics | | 60/40 | View variety |
| Modified Macberry Moonshine | Dragons Flame Genetics | | 50/50 | View variety |
| Modified Mints | Sin City Seeds | | 60/40 | View variety |
| Modified Payton | Elev8 Seeds | | 50/50 | View variety |
| Modified Pebbles | Alien Genetics | | 60/40 | View variety |
| Modified Punch | Skunk House Genetics | | 60/40 | View variety |
| Modified Reunion | Skunk House Genetics | | 60/40 | View variety |
| Mogambi | ThugPug Genetics | | 50/50 | View variety |
| Mogwai | Lost River Seeds | | 50/50 | View variety |
| Mohan Ram | Sweet Seeds | | 80/20 | View variety |
| Mohan Ram Auto | Sweet Seeds | | 60/40 | View variety |
| Mohawk | Da Bean Co. | | 60/40 | View variety |
| Mojito | Swamp Boys Seeds | | 40/60 | View variety |
| Mojito de Mango | Mephisto Genetics | | 50/50 | View variety |
| MoJo | Aficionado Seed Bank | | 60/40 | View variety |
| MoJo JoJo | Lost River Seeds | | 50/50 | View variety |
| Mokum’s Tulip | Dutch Passion | | 60/40 | View variety |
| Molikai Kush | Hazeman Seeds | | 70/30 | View variety |
| Moliotiko | The Real Seed Company | | 50/50 | View variety |
| Moloka'i Frost | Pua Mana Pakalolo | | 80/20 | View variety |