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. San Fernando Valley x The Purps
    • Varied Phenotype Expressions
    • Very Potent: 25% THC
    • Huge Yields: 650gr/m2
    • "Mystical" Flavours
    The Purps has risen from the dead with the incredible hybrid. With three possible phenotype expressions and flavours whi
    The Purps has risen from the dead with the incredible hybrid. With three possible phenotype expressions and flavours which can only be described as mystical, it’s one for the passionate grower to get their hands on!
  2. Tropical Cookies Double XL Auto
    • Pineapple and Cookie Flavours
    • Huge Yields: 750gr/m2
    • Potent: 25% THC
    • Forgiving to Grow
    Super potent, fruity cookies. Sounds good right? And it is! With ease to please a novice, and strength and yields to ple
    Super potent, fruity cookies. Sounds good right? And it is! With ease to please a novice, and strength and yields to please a hardened smoker, this strain is suitable for anyone.
  3. Watermelon Weddingcake Double XL Auto
    • Very Powerful: 30% THC!
    • Huge yields: 750gr/m2
    • Fruity and Refreshing Flavours
    • Mold Resistant and Easy to Grow
    Incredibly fruity strain with 30% THC. For those with a sweet tooth and a love of super-charged cannabis, this is one fo
    Incredibly fruity strain with 30% THC. For those with a sweet tooth and a love of super-charged cannabis, this is one for you! Combine that with yields of up to 750gr/m2, and it doesn't get much better.
  4. Banana Sherbet Double XL Auto
    • Sweet and Fruity Flavours
    • Powerful: Up to 25% THC
    • Full-Body Stone with Cerebral Elevation
    • XL Yields: Up to 750gr/m2
    This high yielding strain has amazing flavours, 25% THC and is very forgiving to grow. The resilience makes it great for
    This high yielding strain has amazing flavours, 25% THC and is very forgiving to grow. The resilience makes it great for novice growrs, its attributes make it sure to please even the fussiest smokers. A great all-rounder.
  5. 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
  6. 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.
  7. 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
  8. 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.
  9. 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!
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