| Jack Herer x TGA Vortex | Duke Diamonds Vault | | 50/50 | View variety |
| Jack Herrer | Seedsman | | 40/60 | View variety |
| Jack Herrer Auto | Seedsman | | 50/50 | View variety |
| Jack in the Box | Ronin Garden | | 60/40 | View variety |
| Jack Knifed Semi | Rare Dankness Seeds | | 60/40 | View variety |
| Jack Kush | Med-Man Brand | | 50/50 | View variety |
| Jack La Mota | Medical Seeds Co. | | 40/60 | View variety |
| Jack Mist Tree | Dr. Krippling Seeds | | 30/70 | View variety |
| Jack Mist Tree | Kali's Fruitful Cannabis Seeds | | 30/70 | View variety |
| Jack O Nesia | Karma Genetics | | 40/60 | View variety |
| Jack Plant | Advanced Seeds | | 40/60 | View variety |
| Jack Punch | Atlas Seed | | 20/80 | View variety |
| Jack Skellington | SubCool’s The Dank | | 60/40 | View variety |
| Jack Skellington F2 | SubCool’s The Dank | | 60/40 | View variety |
| Jack Straw | SubCool’s The Dank | | 50/50 | View variety |
| Jack Straw | Homegrown Natural Wonders | | 50/50 | View variety |
| Jack Tangie x (Strawberry Banana x Tangie) | Crockett Family Farms | | 40/60 | View variety |
| Jack the Ripper | SubCool’s The Dank | | 50/50 | View variety |
| Jack The Ripper | 2 Guns and a Guy Seed Company | | 50/50 | View variety |
| Jack the Ripper Autoflowering | Zambeza | | 50/50 | View variety |