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. The Widow

    Feminised Seeds
    The Widow
    • Great For Extractions
    • 20% THC
    • Speedy: 7 - 8 Weeks Flowering
    • Kush Flavours
    This development on White Widow genetics is a firm favourite among many, and probably soon you too. If resin production
    This development on White Widow genetics is a firm favourite among many, and probably soon you too. If resin production and potent, kush-like effects are your jam, then so is The Widow,
  2. Sugar Mama Auto

    Feminised Seeds
    Sugar Mama Auto
    • 70% Sativa Genetics
    • Cerebral Buzz
    • Fast Growth
    • Sweet, Fruity Flavours
    This speedy, delicious strain has 70% Sativa genetics and will blow your mind with its cerebral goodness. Even so, it gr
    This speedy, delicious strain has 70% Sativa genetics and will blow your mind with its cerebral goodness. Even so, it grows with the speed and ease of its indica cousins, and basically has the best of both worlds. Get some now!
  3. Blue Treacle Automatic

    Feminised Seeds
    Blue Treacle Automatic
    • Delicious, Berry Flavours
    • High Potency
    • Great Yields
    • 8 - 9 Weeks Lifecycle
    A sugary, blueberry flavours autoflowering seed from Feminised Seeds. These little things pack all the DNA necessary to
    A sugary, blueberry flavours autoflowering seed from Feminised Seeds. These little things pack all the DNA necessary to get you a rapid crop of high powered, low-odour cannabis plants.
  4. Amnesia Lemon

    Barney's Farm
    Amnesia Lemon
    • 21% THC: Good Strength
    • Massive Yields: 550gr/m2
    • Lemon And Haze Flavours
    • Sativa Dominant Highs
    This hybridisation of Amnesia Haze x Lemon Skunk is poweful, tasty and generous. As per, Barney's Farm have created
    This hybridisation of Amnesia Haze x Lemon Skunk is poweful, tasty and generous. As per, Barney's Farm have created yet another fantastic strain and there's really no good reason to add at least one to your next grow.
  5. Swiss Skunk

    Feminised Seeds
    Swiss Skunk
    • Seriously Smelly
    • Powerful: 22% THC
    • Indica Dominant Highs
    • Massive Yields
    This is a super smelly cheese strain from Feminised Seeds. Swiss Skunk boasts great flavours, serious potency and hard-t
    This is a super smelly cheese strain from Feminised Seeds. Swiss Skunk boasts great flavours, serious potency and hard-to-beat yields. Get some now and never look back.
  6. Reefereshers

    Taste Budz
    Reefereshers
    • 30% THC
    • Up to 600gr/plant
    • New Designer Cannabis Strain
    • Indica Dominant
    Reefereshers by Tastebudz has just been released and already is a hugely popular indica strain, which we’re expecting
    Reefereshers by Tastebudz has just been released and already is a hugely popular indica strain, which we’re expecting to sell out soon unless Tastebudz can keep on top of things, get these now while you still can - Extremely strong 30% THC, big yie
  7. Black Sundae
    • Sweet and Fruity Genes
    • Super Fast: <65 Days
    • Strong: 22% THC
    • US Genetics
    A heady mix of sweetness, fruit and ice cream, Black Sundae is a tasty treat that packs a punch. Delicious, balanced and
    A heady mix of sweetness, fruit and ice cream, Black Sundae is a tasty treat that packs a punch. Delicious, balanced and very fast, this US strain is a must grow.
  8. MAC Flurry
    • Good Strength: 22% THC
    • M.A.C x Wedding Cake
    • <70 Days Flowering Time
    • Varied Effects
    This is a truel melting pot of different cannabis strains, and it shows. Great effects, great flavours and a fast growin
    This is a truel melting pot of different cannabis strains, and it shows. Great effects, great flavours and a fast growing time make this a cannabis strain that any serious grower just has to try.
  9. Royal Gorilla

    Royal Queen Seeds
    Royal Gorilla
    • Gorilla Glue #4 Genetics
    • 50/50 Hybrid
    • THC Up To 30%
    • Cup Winning Ancestors
    Royal Gorilla very well could be the most perfect hybrid ever bred! Based on America's Gorilla Glue, this version a
    Royal Gorilla very well could be the most perfect hybrid ever bred! Based on America's Gorilla Glue, this version averages 24 to 26% THC but individual cases have been tested at a full 30% THC. As if that wasn't enough, there's a copio
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