Ultra High THC Cannabis Strains, 25%+ Potency
Above 25% THC, you are in the elite tier of modern cannabis breeding. The seeds on this page have been bred for maximum cannabinoid expression — single-cola colas absolutely caked in trichomes, dense bud structure, and effects that hit harder, faster, and stronger than anything most growers had access to a decade ago. These are not casual-use strains. They demand respect from the user (start with a third of your usual dose) and discipline from the grower (perfect environment, perfect harvest timing).
- 25%+ THC — elite modern hybrid tier
- Demand perfect environment and harvest timing
- Single-cola main colas absolutely caked in trichomes
- Start at a third of your usual dose
Curated picks for this outcome
Filtered from our strain catalog by the exact criteria you selected.

Han Burger Feminized
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Timewreck Feminized
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Mafia Funeral Feminized
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Bay 11 Feminized
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Yoda’s Brain Feminized
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Apple Mintz Feminized
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Larry OG Auto
Buy Larry OG Auto cannabis seeds online in the USA. Hybrid strain with 25% THC. Effects: Focused, Calm. Ships from within the USA.

Green Line OG Feminized
Buy Green Line OG Feminized cannabis seeds online in the USA. Hybrid strain with 29% THC. Effects: Relaxed, Euphoric, Calm. Ships from within the USA.

5th Element Feminized
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Dank Sinatra Feminized
Buy Dank Sinatra Feminized cannabis seeds online in the USA. Hybrid strain with 28% THC. Effects: Relaxed, Focused, Calm. Ships from within the USA.

Apple Runtz Feminized
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Grape Soda Auto
Buy Grape Soda Auto cannabis seeds online in the USA. Indica strain with 30% THC. Effects: Euphoric, Creative, Focused. Ships from within the USA.

Banana Cream OG Feminized
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Abusive OG Feminized
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Black Betty Feminized
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Black Mamba Feminized
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Sour Kush Auto
Buy Sour Kush Auto cannabis seeds online in the USA. Hybrid strain with 26% THC. Effects: Relaxed, Happy, Euphoric. Ships from within the USA.

Peanut Butter Breath Auto
Buy Peanut Butter Breath Auto cannabis seeds online in the USA. Indica strain with 28% THC. Effects: Calming, Relaxed, sedative. Ships from within the USA.

Supergirl Feminized
Buy Supergirl Feminized cannabis seeds online in the USA. Indica strain with 26% THC. Effects: Relaxed, Sleepy, Happy. Ships from within the USA.

Sour Cream Feminized
Buy Sour Cream Feminized cannabis seeds online in the USA. Sativa strain with 26% THC. Effects: Creative, Calm. Ships from within the USA.

Fresh Cookies Feminized
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White Fire 43 Feminized
Buy White Fire 43 Feminized cannabis seeds online in the USA. Indica strain with 26% THC. Effects: Focused, Energetic, Calm. Ships from within the USA.

Goji OG Haze Feminized
Buy Goji OG Haze Feminized cannabis seeds online in the USA. Indica strain with 25% THC. Effects: Euphoric, Creative, Energetic. Ships from within the USA.

Rainbow Jones Feminized
Buy Rainbow Jones Feminized cannabis seeds online in the USA. Indica strain with 26% THC. Effects: Relaxed, Sleepy, Happy. Ships from within the USA.
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