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Twenty20

Twenty20 Mendocino is a California breeder known for outdoor-tough photoperiods, plus a deep bench of feminized autos. Our Twenty20 genetics range covers autos, standard photos, and fast photo crosses.

1919 Free Seeds with most packs of 3+ seeds.

Only 137 bonus sets left
Only 118 bonus sets left
Free seeds match your strain type:
  • HyperZA3 Humboldt Seed Co 3x Hyper Za
  • Sour Cherry Diesel Atlas Seed 3x Sour Cherry Diesel
  • Chem 91 Sk Va 1 Cali Connection 3x Chem 91 SK VA
  • Gorilla Cake Preservation Line 5x Gorilla Cake
  • 5x Gush Mints Vertical West Coast Reserves 5x Gush Mints S1
  • Humboldt Dream Humboldt Humboldt Seed Co 3x Humboldt Dream
  • La Tropica Auto Atlas Seed 3x La Tropica
  • Girls Scout Cookies 40 Cali Connection 3x Girl Scout Cookies
  • Gorilla Z Auto Preservation Line 3x Gorilla Z
  • Grand Daddy Purple 1 Preservation Line 7x Grand Daddy Purple
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