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. Moonshine Mass

    Critical Mass Collective
    Moonshine Mass
    • Banging 'Up' Sativa High
    • Lemon & Grapefruit Taste
    • A Mere 65 Days Flowering
    • Old School Haze Genetics
    Moonlight Mass is true to her name with a strong, intoxicating head high that melts perfectly with a taste and smell tha
    Moonlight Mass is true to her name with a strong, intoxicating head high that melts perfectly with a taste and smell that's almost exactly like gin with a lemon twist. For a Sativa-dominant cannabis seed, this strain finishes extremely fast with
  2. Purple Skunk Mass

    Critical Mass Collective
    Purple Skunk Mass
    • Motivational & Energetic
    • Tasty Hashy Lemon Flavour
    • Extremely High Yields
    • 22% THC in Lab Tests
    This plant is a special gift to Sativa lovers. Enjoy all the traits of an exceptional uplifting Sativa with the flowerin
    This plant is a special gift to Sativa lovers. Enjoy all the traits of an exceptional uplifting Sativa with the flowering period of an Indica! She contains genetics from the much loved Lavender from Soma, and exhibits a remarkable profile of tasty te
  3. Super Mutant Mass

    Critical Mass Collective
    Super Mutant Mass
    • Uplifting & Focused High
    • Sour Skunk Taste & Smell
    • Rapid 60 Days Flowering
    • Crazy-Good Bag Appeal
    Super Mutant Mass was created by taking a mutant phenotype of the revered Shiva Skunk and combining it with Monster Mass
    Super Mutant Mass was created by taking a mutant phenotype of the revered Shiva Skunk and combining it with Monster Mass. The results are a fantastically high yielding plant with a positive and focused high, ideal for those that need to medicate in t
  4. Monster Mass

    Critical Mass Collective
    Monster Mass
    • Absolutely Huge Yields
    • Very Resistant to Mould
    • Heavy Sedative Effect
    • Only 50 Days Flowering
    Monster Mass is a spectacular cross of select Critical Mass and Critical + strains with unbelievably high yields. Indoor
    Monster Mass is a spectacular cross of select Critical Mass and Critical + strains with unbelievably high yields. Indoors, the payload can go all the way to 800 gr/m2 while outdoor growers can easily net 900 gr per plant. THC averages around the 20%
  5. Puff Puff Pass Out
    • Super Potent at 20% THC
    • 7 to 10 Weeks Bloom Cycle
    • Medium Height
    • Up To 900g Outdoors!
    Within seconds, Puff Puff Pass Out induces a sedating, medical-grade stone that instantly seeps through your entire body
    Within seconds, Puff Puff Pass Out induces a sedating, medical-grade stone that instantly seeps through your entire body. This feminized seed is a potent 75% Indica with high yields and immense power thanks to Matanuska Tundra X Kali genetics. If you
  6. Cropolope

    Cream of the Crop
    Cropolope
    • Chocolope / Haze Genetics
    • Creative Energetic High
    • Spear Shaped Buds
    • 60 Days Flowering Time
    As an inspiring mix of Haze and the legendary Chocolope, Cream of the Crop's Cropolope was destined to be something
    As an inspiring mix of Haze and the legendary Chocolope, Cream of the Crop's Cropolope was destined to be something special. Her many clusters of spear shaped buds exhibit numerous red hairs in flower. This is an excellent strain for daytime use
  7. Purple Paralysis

    Cream of the Crop
    Purple Paralysis
    • Soaring Sativa High
    • 65-70 Day Flowering Period
    • Power Plant Genetics
    • High Resistance to Mould
    With Power Plant in this family tree, you can expect quite a ride once you get aboard the Purple Paralysis train. The de
    With Power Plant in this family tree, you can expect quite a ride once you get aboard the Purple Paralysis train. The deep purple and vivid blue buds make this strain a seriously spectacular addition to any grow. Yields indoor are high at 450 g/m2 wi
  8. Sour Turbo Diesel

    Cream of the Crop
    Sour Turbo Diesel
    • Sour Diesel Genetics
    • Ideal for SOG Grows
    • Levels of 18% THC
    • Good Resistance to Mould
    Sour Turbo Diesel is a high-performance mix of the iconic Black Domina and Sour Diesel. This is, without a doubt, a pote
    Sour Turbo Diesel is a high-performance mix of the iconic Black Domina and Sour Diesel. This is, without a doubt, a potent Indica that kicks ass. This stunning hybrid is a massive resin producer with a tangy taste. Highs are unique, powerful and last
  9. LSD

    Barney's Farm
    LSD
    • Strong Psychedelic Effect
    • Very Easy to Grow
    • Fast Flowering Time
    • High Resistance to Pests
    LSD is a special feminized seed that lives up to its name. You can expect extremely trippy visuals and a full on Indica
    LSD is a special feminized seed that lives up to its name. You can expect extremely trippy visuals and a full on Indica stone from this all-time classic. Couple that with a super-quick flowering time and a forgiving nature that resists most beginners
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