High THC Strains

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However, collection and storage of cannabis genetics in seed form the UK is 100% legal. Information on cannabis seeds is for information purposes only and describes the cannabis genetics only, it is not intended to encourage anyone to cultivate cannabis or illegal and/or controlled substances. If you are from outside the UK, please check the laws in your own country before placing an order.

  • Maximum

  • Incredible 

  • Do Not Germinate

  • Preserve Genetics

  • In High Demand

High THC Strains
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  1. Critical Orange Punch
    • 20% THC | Hybrid Genetics
    • Invogorating Effects
    • 600gr/m2 Yields
    • Fast: 8 Week Flowering
    Orange Critical Punch is an award winning plant from Dutch Passion. Providing yields of up to 600gr/m2, high levels of T
    Orange Critical Punch is an award winning plant from Dutch Passion. Providing yields of up to 600gr/m2, high levels of THC backed by hybrid genetics and, of course, dank orange flavours, this is an amazing plant!
  2. Night Queen

    Dutch Passion
    Night Queen
    • Potent Indica Landrace
    • 20% THC | Relaxing Effects
    • 7 - 8 Weeks Flowering
    • Delcious Flavours
    Night Queen by Dutch Passion is an Indica beauty who hails all of her genetics from Afghani Indica landrace. Does it get
    Night Queen by Dutch Passion is an Indica beauty who hails all of her genetics from Afghani Indica landrace. Does it get much better than this? With 20% THC, great yields and almost perfect effects, get some in your grow today!
  3. 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!
  4. Glueberry OG

    Dutch Passion
    Glueberry OG
    • World Famous US Genetics
    • Kush and Berry Flavours
    • Potent, Mixed Effects
    • Great Yields
    Glueberry OG marries some of the best US genetics about, and the result is almost perfect. Whether you like indica or sa
    Glueberry OG marries some of the best US genetics about, and the result is almost perfect. Whether you like indica or sativa, big yields, high potency or great flavours, it can all be found here! Get some today.
  5. Don Do Si Cookies

    Don Avalanche
    Don Do Si Cookies
      • Up to 30% THC!
      • 8-9 weeks flower time
      • Don Do Si Dos x Don GSC
      • Psychoactive, Creative High
    A poweful mix of two favourites, Girl Scout Cookies and Dos Si Dos. Highly psychoactive and with THC levels pushing 30%,
    A poweful mix of two favourites, Girl Scout Cookies and Dos Si Dos. Highly psychoactive and with THC levels pushing 30%, you know what to expect. Nevertheless, this strain will impress anyone, and go steady with it, as it can have you unbelievably hi
  6. Don Blueberry Cookies
    • THC – 25%    
    • 8-9 weeks flower time
    • Very Clean, Relaxing Highs
    • Blueberry Cookies!
    Don Blueberry Cookies from Donavanche Seeds is an Indica hybrid developed from unique crossing of two amazing strai
    Don Blueberry Cookies from Donavanche Seeds is an Indica hybrid developed from unique crossing of two amazing strains Girl Scout Cookies and Blueberry.
  7. Don Do Si Dos

    Don Avalanche
    Don Do Si Dos
    • 30% THC!
    • Very Sweet, Skunky Flavours
    • Expansive, Elevating Highs
    • 50/50 Indica/Sativa
    Girl Scout Cookies x Face Off OG was always going to be powerful, but did anyone expect 30% THC? This strength combined
    Girl Scout Cookies x Face Off OG was always going to be powerful, but did anyone expect 30% THC? This strength combined with a perfect Indica/Sativa split makes it a sure winner. And the pungent, skunky flavours and aromas complement the sheer streng
  8. Crystal Gelato

    Big Head Seeds
    Crystal Gelato
    • Genuine Cookie Genetics
    • Astounding 20-25% THC
    • 8 to 9 Weeks of Bloom
    • Sweet Berry, Tangy Citrus
    As the latest must-have strain, Crystal Gelato goes big with 25% THC, couchlocking stones & anxiety-free highs. Flav
    As the latest must-have strain, Crystal Gelato goes big with 25% THC, couchlocking stones & anxiety-free highs. Flavours are to-die-for - they taste like blueberry hard candy got it on with a lemon drop. Delish! Whether you're strictly a rec
  9. Killer Purps

    Bomb Seeds
    Killer Purps
    • Euphoric Uplifting Effect
    • Long Side Branches
    • Ideal For LST
    • Easy With High Yields
    To create this purple extravaganza, Bomb Seeds crossed their most colourful Buzz Bomb phenotype with a high-yielding Sou
    To create this purple extravaganza, Bomb Seeds crossed their most colourful Buzz Bomb phenotype with a high-yielding Sour Diesel. Genetics are Sativa dominant with an uplifting yet relaxing high that lasts for hours. The buds from this plant are like
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