| Magic Island | Magic Strains | | 20/80 | View variety |
| Magic Man | SnowHigh Seeds | | 50/50 | View variety |
| Magic Mango | Dizzy Duck Seeds | | 40/60 | View variety |
| Magic Meatball Gelato | Terp Fi3nd | | 50/50 | View variety |
| Magic Melon | Humboldt Seed Company | | 50/50 | View variety |
| Magic Melon Autoflower | Humboldt Seed Company | | 50/50 | View variety |
| Magic Monkey | Elev8 Seeds | | 50/50 | View variety |
| Magic Pineapple Gelato | Terp Fi3nd | | 50/50 | View variety |
| Magical Fucks | Lupos CannaSeed | | 60/40 | View variety |
| Magician's Alliance | Night Owl Seeds | | 70/30 | View variety |
| Magilla Gorilla | Red Bee Seeds | | 80/20 | View variety |
| Magma | CBD Seeds | | 60/40 | View variety |
| Magnesia Auto | New420Guy Seeds | | 50/50 | View variety |
| Magnetic Marker | G13 Labs | | 60/40 | View variety |
| Magnolia Kush | South Bay Genetics | | 70/30 | View variety |
| Magnum | Buddha Seeds | | 50/50 | View variety |
| Magnum Auto | 420 Genetics | | 50/50 | View variety |
| Magnum Opus | Aficionado Seed Collection | | 80/20 | View variety |
| Magnum Opus F11 | Katsu Seeds | | 80/20 | View variety |
| Magnum Platinum Haze | Delta 9 Labs | Unknown Haze · S5 · [reversed: ] × Chem Dawg · [misc: Reversed] | 50/50 | View variety |