High THC Strains

WHEN POTENCY MATTERS MOST, GO FOR SEEDS THAT START AT 20% THC!

If pure power is what you're going for, Feminized Seeds has you covered. Using advanced breeding techniques, our latest strains exceed 20% THC on average. Some, like Crystal Gelato, actually pushed past the 25% mark during testing. That's mind-blowing!

These Feminized Seeds Are Stronger Than Many Extracts - Check'em Out! !

  • Maximum Potency

  • Incredible Flavours

  • Rich & Full-Bodied

  • Tolerance Busting

  • In High Demand

High THC Strains
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  1. Blue Dream Sherbet
    • Potent: Up to 30% THC
    • Up to 750gr/m2 Indoors
    • Robust in Many Environments
    • Beautiful, Colourful Phenotypes
    Blue Dream x Sunset Sherbet brings us a Sativa leaning strain with 30% THC and stunning buds. Phenotypes displaying all
    Blue Dream x Sunset Sherbet brings us a Sativa leaning strain with 30% THC and stunning buds. Phenotypes displaying all manner of exotic colours indicate the tingling, fruity flavours well. And when you can get up to 750gr/m2, there's very littl
  2. Watermelon Zkittelz

    Big Head Seeds
    Watermelon Zkittelz
    • Very Strong: 26% THC
    • Up to 1kg Per Plant!
    • Euphoric but Calming Effects
    • Flavours of Watermelon and Citrus
    A succulent, powerful addition from Bighead Seeds. Watermelon Zkittelz boasts THC levels upwards of 26%, 1000gr per plan
    A succulent, powerful addition from Bighead Seeds. Watermelon Zkittelz boasts THC levels upwards of 26%, 1000gr per plant yields and delicious flavours. It's a must try.
  3. Don Bruce Banner

    Don Avalanche
    Don Bruce Banner
    • Incredibly Potent: 30% THC
    • Very Generous Yields
    • Euphoria and Relaxation
    • Peppery and Diesel Flavour
    A strain that prioritses sheer strength. With 30% THC, it's hard to beat Don Brue Banner it terms of strength. And
    A strain that prioritses sheer strength. With 30% THC, it's hard to beat Don Brue Banner it terms of strength. And with yields to match, it gets even better. Suited to those who like powerful highs and dark, heavy flavours, Don Bruce Banner mean
  4. Don Do Si Cookies

    Don Avalanche
    Don Do Si Cookies
    • Girl Scout Cookies x Girl Scout Cookies!
    • Powerful: 30% THC
    • Creative to Relaxing Effects
    • Flavours of Earth and Flowers
    A powerful, GSC heavy hybrid, expect 30% THC to take you to elevated planes of euphoria and heavenly realms of relaxatio
    A powerful, GSC heavy hybrid, expect 30% THC to take you to elevated planes of euphoria and heavenly realms of relaxation. The subtle flavours add a tasteful edge, and make this a smoking experience like no other. Potent, yet reserved.
  5. Don Do Si Punch

    Don Avalanche
    Don Do Si Punch
    • Powerful Sedating Effects
    • Potent: 29% THC Levels
    • Berries, Spice and Tropical Fruits
    • 60% Indica | 40% Sativa
    Powerful and sedating, Don Do Si Punch may not be best suited to a party, but it will hold your hand all the way to slee
    Powerful and sedating, Don Do Si Punch may not be best suited to a party, but it will hold your hand all the way to sleep. With 29%, this a powerful beast and should be treated with caution!
  6. Don Do Si Glue

    Don Avalanche
    Don Do Si Glue
    • Massive 32% THC Content
    • Expansive, Euphoric yet Relaxing Highs
    • Don Do Si Dos x Don Gorilla Glue
    • Rich Flavours of Diesel and Coffee
    With 32% THC, Don Do Si Glue is up among the most powerful strains on the market. And with parents like Don Do Si Dos an
    With 32% THC, Don Do Si Glue is up among the most powerful strains on the market. And with parents like Don Do Si Dos and Don Gorilla Glue, it's no surprise that it has extremely potent effects ranging from energising and psychoactive, to deeply
  7. Don Blueberry Cookies
    • Uplifting High to Sleep and Relaxion
    • 25% THC Content
    • Unique, Citric and Hoppy Flavours
    • 70% Indica | 30% Sativa
    Hoppy, Berry flavours combined with 25% THC makes for a special smoke. This unique strain balances Indica and Sativa eff
    Hoppy, Berry flavours combined with 25% THC makes for a special smoke. This unique strain balances Indica and Sativa effects very well. Beginning off with a clear headed, euphoric high, prepare for a slow descent into lands of deep relaxation and sle
  8. Don Lemon Glue

    Don Avalanche
    Don Lemon Glue
    • Incredibly Strong: >30% THC!!!
    • Flowering Period: 56 – 63 Days
    • Massive Resin Production
    • Flavours of Lemon and Diesel
    This stupidly powerful Gorilla Glue #4 x Lemon Haze cross is one of the new breed of ultra-powerful strains. With 30% TH
    This stupidly powerful Gorilla Glue #4 x Lemon Haze cross is one of the new breed of ultra-powerful strains. With 30% THC and uplifting, Sativa-led effects, it's not one to smoke light-heartedly. But for those with a passion for powerful weed, t
  9. Don Megalodon

    Don Avalanche
    Don Megalodon
    • 21% THC | 75% Indica
    • Vigorous and Generous Growth
    • Indica Effects with Sativa Euphoria
    • Flavours of Pine, Cheese and Skunk
    This strong but not-too-strong Indica dominant strain is a pure delight. With a little Sativa kick at the beginning, you
    This strong but not-too-strong Indica dominant strain is a pure delight. With a little Sativa kick at the beginning, you can expect a mostly physical high and one which is very, very relaxing. To accompany this we've got warm flavours of pine, s
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