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. Liberty Haze

    Barney's Farm
    Liberty Haze
    •  Euphoric Uplifting High
    • Very Generous Yields
    • Incredible Lime Taste
    • 60-65 Day Flowering Period
    Liberate your brain with Barney's Farm Liberty Haze! This award-winning mix of G13 and Chemdawg 91 will open your m
    Liberate your brain with Barney's Farm Liberty Haze! This award-winning mix of G13 and Chemdawg 91 will open your mind, lift your spirits and totally erase your stress with a long-lasting euphoric high. Genetics are 60% Indica, 40% Sativa for th
  2. Blueberry OG

    Barney's Farm
    Blueberry OG
    • Beautiful Blueberry Taste
    • Sensational Active High
    • Just 55 Days Flowering
    • 600 to 1000 gram Yields!
    Blueberry's chill Indica stone wasn't enough for Barney! He injected a healthy dose of OG Kush for more psycho
    Blueberry's chill Indica stone wasn't enough for Barney! He injected a healthy dose of OG Kush for more psychoactivity along with a heaping helping of the giggles. Blueberry OG is guaranteed to lighten your mood while she erases all your ca
  3. Blue Cheese
    • Amazing High
    • Terrific Taste
    • Very High Yields
    • Easy For Beginners
    Blue Cheese is a truly magical strain that successfully combines all that we love about both classic Cheese & the al
    Blue Cheese is a truly magical strain that successfully combines all that we love about both classic Cheese & the always popular Blueberry strain. It's an 80% Indica with massive amounts of THC, so this 100% feminized seed has definite stayi
  4. Glookies

    Barney's Farm
    Glookies
    • Beginner Friendly
    • Finishes in 60-70 Days Inside
    • Early October Harvests Outside
    • Medium Height, Bushy, Lots of Nodes
    The potency & unbelievably high yields alone make Barney's Farm Glookies a must buy! Add in a delightful key li
    The potency & unbelievably high yields alone make Barney's Farm Glookies a must buy! Add in a delightful key lime and walnut flavour, a functional but deeply relaxing stone and a high resistance to all things bad and these 100% feminized see
  5. Purple Dawg Mass

    Critical Mass Collective
    Purple Dawg Mass
    • Inspiring Diesel High
    • Fuel, Earthy Smells
    • Very High Yields
    • Beautiful Colourful Buds
    Purple Dawg Mass turns up the volume to 10+ with THC that can go all the way to 25%. The high doesn't last as long
    Purple Dawg Mass turns up the volume to 10+ with THC that can go all the way to 25%. The high doesn't last as long as some other strains, but it's quite a ride - relaxing, inspiring and full of positive vibes. There are 3 different phenos i
  6. 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
  7. 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
  8. 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
  9. 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%
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