| Monsterbud Autoflowering | Growers Choice | | 50/50 | View variety |
| Mont Blanc | TH Seeds | | 70/30 | View variety |
| Montana Silvertip | Unknown | | 60/40 | View variety |
| Montecristo | Aficionado French Connection | | 50/50 | View variety |
| Montel’s Dream Widow | Brothers Grimm | | 50/50 | View variety |
| Montuc Kush | Cannarado Genetics | | 50/50 | View variety |
| Monty Python | Crockett Family Farms | | 70/30 | View variety |
| Mookie B | Ethos Genetics | | 50/50 | View variety |
| Moon Balls | Surfr Seeds | | 40/60 | View variety |
| Moon Beams | Raw Genetics | | 60/40 | View variety |
| Moon Boots | Archive Seed Bank | | 60/40 | View variety |
| Moon Cookies | Landrace Bureau | | 70/30 | View variety |
| Moon Drops | Archive Seed Bank | | 70/30 | View variety |
| Moon Duck | Fygtree | | 40/60 | View variety |
| Moon Fog | Humboldt Seed Company | | 60/40 | View variety |
| Moon Fondue | Mephisto Genetics | | 40/60 | View variety |
| Moon Fruit | 3rd Coast Genetics | | 60/40 | View variety |
| Moon Glow | Archive Seed Bank | | 60/40 | View variety |
| Moon Juice | Binary Selections | | 60/40 | View variety |
| Moon Mints | Sin City Seeds | | 60/40 | View variety |