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. Black Valium

    Top Shelf Elite Genetics
    Black Valium
    • Rapid 50-Day Bloom
    • 450 gr/m2 Yield Inside
    • Numbing Physical Stone
    • Dank, Dark and Oily
    With both sedating and meditative properties, Black Valium is a dark beauty that's true to her name! If you can
    With both sedating and meditative properties, Black Valium is a dark beauty that's true to her name! If you can't handle narcotic couchlockers, stay away. This is a full-body, immersive experience. As a true Indica, fans get huge & fat
  2. Nightcrawler OG

    Top Shelf Elite Genetics
    Nightcrawler OG
    • Amazing Hand Feel
    • Unique Kushy Taste
    • Addictive Aromas
    • Luxurious Highs
    The potency is definitely there, but the colour and taste alone demand the highest price. The tightly coiled buds gleam
    The potency is definitely there, but the colour and taste alone demand the highest price. The tightly coiled buds gleam with bright pops of emerald, amethyst and cobalt blue, all accented by burnt-orange and hot pink pistils. The flavour? Think the f
  3. OGKZ

    Humboldt Seeds
    OGKZ
    • Amazing Rainbow of Tastes
    • Strong, Uplifting High
    • Extremely Heavy Yields
    • Immense Bag Appeal
    OGKB delivers exactly what you'd expect from this family tree. Both the taste and the scent are a full spectrum rai
    Out of stock
    OGKB delivers exactly what you'd expect from this family tree. Both the taste and the scent are a full spectrum rainbow that includes sweet, gassy notes along with strong hints of tart citrus, fresh cedar, ripe grapes, exotic cinnamon and musky
  4. OG Kush

    Humboldt Seeds
    OG Kush
    • Smashing OG Kush High
    • Fabulous Fragrant Taste
    • Huge Resin Production
    • Uncomplicated & Easy
    Once a West Coast exclusive, OG Kush is now available in feminized seed form so that you can get a piece of this fan fav
    Once a West Coast exclusive, OG Kush is now available in feminized seed form so that you can get a piece of this fan favourite no matter where you live. It's a complicated mix of Lemon Thai, Pakistani Kush & Chemdawg that's simple to wo
  5. Master Kush

    Humboldt Seeds
    Master Kush
    • Solid Kush Buds
    • Reliable, Easy, Proven
    • Strong & Robust
    • High Yields, 24% THC
    This 95% Indica is so good it was one of the most demanded strains in Amsterdam coffeeshops for most of the 90s. Now, it
    Out of stock
    This 95% Indica is so good it was one of the most demanded strains in Amsterdam coffeeshops for most of the 90s. Now, it thrills DIYers with consistently high yields of big, resionous buds that stink of citrus and pine. The stone is strong, long-last
  6. Mango Sapphire

    Humboldt Seeds
    Mango Sapphire
    • Mango & Coconut Taste
    • Vivid Colours
    • Soothing Long High
    • Rapid Flowering Time
    Mango Sapphire's big, colourful buds will stack & swell right before your very eyes! This incredible Indica onl
    Out of stock
    Mango Sapphire's big, colourful buds will stack & swell right before your very eyes! This incredible Indica only needs about 7 weeks of bloom to reach her full potential. And, she's beginner friendly. Yields are spectacular at 600 gr/m2
  7. Lost Coast OG

    Humboldt Seeds
    Lost Coast OG
    • Sweet Lemon & Kush Flavour
    • Far Eastern Genetics
    • Beginner Friendly
    • Physically Soothing - Very Chill
    Lost Coast OG has such a strong, sedating stone that it'll erase every bit of stress & worries you may have for
    Lost Coast OG has such a strong, sedating stone that it'll erase every bit of stress & worries you may have for a very restful night. This powerful Indica draws her genetics from Pakistani Kush & Lemon Thai. Flavours are a delicious cand
  8. Lost Coast Hash Plant
    • Fantastic Oil Production
    • Beginner Friendly
    • Extremely Generous Yields
    • Solid, Dense Buds
    The dried flowers are killer, but the name of the game with Lost Coast Hash Plant is extracts. The terpene & THC-fil
    Out of stock
    The dried flowers are killer, but the name of the game with Lost Coast Hash Plant is extracts. The terpene & THC-filled trichomes are large, swollen and triple stacked. Unconcentrated, THC averages a whopping 21%, and the aroma is a rich, intense
  9. Lemon Thai Kush

    Humboldt Seeds
    Lemon Thai Kush
    • Exotic Cerebral High
    • Fresh Aroma - Flowers, Citrus, Cedar
    • Intense Lemon & Pine Taste
    • 40% Indica, 60% Sativa
    Lemon Thai Kush concentrates the best traits of White Widow & Haze. Covered with an abundant layer of visible crysta
    Out of stock
    Lemon Thai Kush concentrates the best traits of White Widow & Haze. Covered with an abundant layer of visible crystals, these dense, frosty buds are a great choice for extracts while the potent effects are a delectible mix of Hazey head high and
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