Twenty20 Mendocino
We hail from the small village of Laytonville in the heart of Mendocino County, California. We come from a time when the cannabis community was resilient, adaptable and most importantly, unified. We hid in the shadows and planted under the trees but we always stood together. Breeding was very much a group effort. Over the course of 50+ years, countless cultivars were imported from all over the planet and tested in our outdoor sun. Only the best were kept and shared. Certain regions were known for their strains and named after the neighborhood or the breeder. Season after season this process continued, this was selective breeding at it’s finest. At Twenty20 we have been an integral part of this process and we are still carrying the torch. We believe in cannabis access for everyone. We believe that sharing genetics to keep this process alive. We know that we are only a small part of the intricate web of cannabis evolution that has been ongoing since the dawn of civilization.
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We come from a time when the cannabis community was resilient, adaptable and most importantly, unified. We hid in the shadows and planted under the trees but we always stood together. Breeding was very much a group effort. Over the course of 50+ years, countless cultivars were imported from all over the planet and tested in our outdoor sun. Only the best were kept and shared. Certain regions were known for their strains and named after the neighborhood or the breeder. Season after season this process continued, this was selective breeding at it’s finest. At Twenty20 we have been an integral part of this process and we are still carrying the torch. We believe in cannabis access for everyone. We believe that sharing genetics to keep this process alive. We know that we are only a small part of the intricate web of cannabis evolution that has been ongoing since the dawn of civilization.
Twenty20 Mendocino
Buy 4 packs and get 3 FULL packs. Specialty and combo packs excluded.
Shop Twenty20
Showing all 53 results
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Twenty20 – Durban Twist (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Bubble Tricks (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Spice Girl (6 fem. seeds)
$60.00 Add to cart -
Twenty20 – Queen of Diamonds (6 fem. seeds)
$60.00 Add to cart -
Twenty20 – Devil Fruit (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Hindsight (6 fem seeds)
$60.00 Add to cart -
Twenty20 – SF’nG F2 (So F’n Gassy) (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Curve Breaker (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Cali Couture S1 (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Spring Build Your Own Promo
$1,000.00 Add to cart -
Twenty20 – The Spice! F2 (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Muchacha (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Ogreberry (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Strawberry Blonde F2 (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Go Go (6 fem auto seeds)
$60.00 Add to cart -
Twenty20 – Bubbawhip F2 (6 fem seeds)
$60.00 Add to cart - Sale!
Twenty20 – Biscauto (3 fem auto seeds + 3 seed bonus pack)
$25.00 Add to cart - Sale!
Twenty20 – MMXX (3 MMXX F1 + 3 MMXX F2 fem seeds)
$25.00 Add to cart -
Twenty20 – Autowreck F4 (6 fem auto seeds)
$60.00 Add to cart -
Twenty20 – MMXX F2 (6 fem seeds)
$60.00 Add to cart - Sale!
Twenty20 – Glue Sniffer S1 (3 fem seeds + 3 seed bonus pack)
$25.00 Add to cart -
Twenty20 – Snowcaine (6 fem seeds)
$60.00 Add to cart -
Twenty20 – MSG – Mendo Skunky Garlic (6 fem auto seeds)
$60.00 Add to cart -
Twenty20 – Gran Champagne (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Girl Crush F2 (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Biscauto (6 fem auto seeds)
$60.00 Add to cart -
Twenty20 – September Harvest Package #2 (4 x 6 = 24 fem seeds) w Bad Dawg Freebie -The White x Run Away Bride #3
$200.00 Add to cart -
Twenty20 – Triks (100 seed farmer pack) No re-package or re-sale
$500.00 Add to cart -
Twenty20 – Snow G Photoperiod (100 seed farmer pack) No re-package or re-sale
$500.00 Add to cart -
Twenty20 – September Harvest Package (3 x 6 = 18 fem seeds) w Bad Dawg Freebie -The White x Run Away Bride #3
$150.00 Add to cart -
Twenty20 – Something Good (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Smell of Success (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Knows Candy (6 fem auto seeds)
$60.00 Add to cart -
Twenty20 – Snow G Photoperiod (6 fem seeds)
$60.00 Add to cart -
Twenty20 – The Great! Fem (6 seeds)
$60.00 Add to cart -
Twenty20 – Snow-G Auto (6 seeds)
$60.00 Add to cart -
Twenty20 – Trizkit (6 autoflowering seeds)
$60.00 Add to cart -
Twenty20 – Trizzlers (6 Auto flowering fem seeds)
$60.00 Add to cart -
Twenty20 – Whiskey Zulu (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Durban Sunrise (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – VidaMints (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Triks (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Glue Sniffer S1 Feminized (6 seeds)
$60.00 Add to cart -
Twenty20 – MMXX (6 seeds)
$60.00 Add to cart -
Twenty20 – Glue Sniffer S1 Feminized (10 seeds)
$90.00 Add to cart -
Twenty20 – Girl Crush (6 seeds)
$60.00 Add to cart -
Twenty20 – Ave of the Giants (6 seeds)
$60.00 Add to cart -
Twenty20 – The Spice! (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Made of Honor (6 fem seeds)
$60.00 Add to cart -
Twenty20 – T-Dub (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Trainwreck Arcata Cut (6 seeds)
$60.00 Add to cart -
Twenty20 – Pre-98 Bubba S1 (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Bad Girl S1 Feminized (6 seeds)
$60.00 Add to cart

Twenty20 is offering a free wooden box to the first customer to receive all 12 Freebie strains in the Speakeasy Auto Series* First four now available
*Must proove proof of purchase from Great Lakes Genetics

Twenty20 Mendocino
Buy 4 packs and get 3 FULL packs. Specialty and combo packs excluded.
Shop Twenty20
Showing all 53 results
-
Twenty20 – Durban Twist (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Bubble Tricks (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Spice Girl (6 fem. seeds)
$60.00 Add to cart -
Twenty20 – Queen of Diamonds (6 fem. seeds)
$60.00 Add to cart -
Twenty20 – Devil Fruit (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Hindsight (6 fem seeds)
$60.00 Add to cart -
Twenty20 – SF’nG F2 (So F’n Gassy) (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Curve Breaker (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Cali Couture S1 (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Spring Build Your Own Promo
$1,000.00 Add to cart -
Twenty20 – The Spice! F2 (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Muchacha (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Ogreberry (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Strawberry Blonde F2 (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Go Go (6 fem auto seeds)
$60.00 Add to cart -
Twenty20 – Bubbawhip F2 (6 fem seeds)
$60.00 Add to cart - Sale!
Twenty20 – Biscauto (3 fem auto seeds + 3 seed bonus pack)
$25.00 Add to cart - Sale!
Twenty20 – MMXX (3 MMXX F1 + 3 MMXX F2 fem seeds)
$25.00 Add to cart -
Twenty20 – Autowreck F4 (6 fem auto seeds)
$60.00 Add to cart -
Twenty20 – MMXX F2 (6 fem seeds)
$60.00 Add to cart - Sale!
Twenty20 – Glue Sniffer S1 (3 fem seeds + 3 seed bonus pack)
$25.00 Add to cart -
Twenty20 – Snowcaine (6 fem seeds)
$60.00 Add to cart -
Twenty20 – MSG – Mendo Skunky Garlic (6 fem auto seeds)
$60.00 Add to cart -
Twenty20 – Gran Champagne (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Girl Crush F2 (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Biscauto (6 fem auto seeds)
$60.00 Add to cart -
Twenty20 – September Harvest Package #2 (4 x 6 = 24 fem seeds) w Bad Dawg Freebie -The White x Run Away Bride #3
$200.00 Add to cart -
Twenty20 – Triks (100 seed farmer pack) No re-package or re-sale
$500.00 Add to cart -
Twenty20 – Snow G Photoperiod (100 seed farmer pack) No re-package or re-sale
$500.00 Add to cart -
Twenty20 – September Harvest Package (3 x 6 = 18 fem seeds) w Bad Dawg Freebie -The White x Run Away Bride #3
$150.00 Add to cart -
Twenty20 – Something Good (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Smell of Success (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Knows Candy (6 fem auto seeds)
$60.00 Add to cart -
Twenty20 – Snow G Photoperiod (6 fem seeds)
$60.00 Add to cart -
Twenty20 – The Great! Fem (6 seeds)
$60.00 Add to cart -
Twenty20 – Snow-G Auto (6 seeds)
$60.00 Add to cart -
Twenty20 – Trizkit (6 autoflowering seeds)
$60.00 Add to cart -
Twenty20 – Trizzlers (6 Auto flowering fem seeds)
$60.00 Add to cart -
Twenty20 – Whiskey Zulu (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Durban Sunrise (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – VidaMints (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Triks (6 seeds) Autoflowering, Feminized
$60.00 Add to cart -
Twenty20 – Glue Sniffer S1 Feminized (6 seeds)
$60.00 Add to cart -
Twenty20 – MMXX (6 seeds)
$60.00 Add to cart -
Twenty20 – Glue Sniffer S1 Feminized (10 seeds)
$90.00 Add to cart -
Twenty20 – Girl Crush (6 seeds)
$60.00 Add to cart -
Twenty20 – Ave of the Giants (6 seeds)
$60.00 Add to cart -
Twenty20 – The Spice! (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Made of Honor (6 fem seeds)
$60.00 Add to cart -
Twenty20 – T-Dub (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Trainwreck Arcata Cut (6 seeds)
$60.00 Add to cart -
Twenty20 – Pre-98 Bubba S1 (6 fem seeds)
$60.00 Add to cart -
Twenty20 – Bad Girl S1 Feminized (6 seeds)
$60.00 Add to cart