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High THC Strains

High THC Strains

Germination of cannabis seeds is illegal in the UK unless you have an appropriate license issued from the home office.

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

Cookies Kush

Barney's Farm
- OG Kush x GSC
- Ready in Only 55 Days
- 24% THC Content
- Easy to Grow
Bringing together two of your favourite strains - OG Kush and Girl Scout Cookies - Barney's Farm bring you a brand
Bringing together two of your favourite strains - OG Kush and Girl Scout Cookies - Barney's Farm bring you a brand new strain with high yields and delicious flavours. 650gr/m2 Yields Ready in Only 55 Days 24% THC Content Easy to Grow
Super Wedding Haze

Cream of the Crop
- Wedding Cake x Super Lemon Haze
- Top Potency - 20% THC
- Sativa: Uplifting, Happy, Chill
- Sweet With Notes of Haze
Super Wedding Haze crosses the highly sought-after Wedding Cake with the ever-popular Super Lemon Haze. With an improved
Super Wedding Haze crosses the highly sought-after Wedding Cake with the ever-popular Super Lemon Haze. With an improved terpene content, this new hybrid has a more intense fragrance than either parent, and the extra-thick resin makes these 100% femi
The Widow

Feminised Seeds
- 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,
Purple Dawg Mass

Critical Mass Collective
- 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
Out of stock
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
Moonshine Mass

Critical Mass Collective
- 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
Purple Skunk Mass

Critical Mass Collective
- 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
Super Mutant Mass

Critical Mass Collective
- 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
Monster Mass

Critical Mass Collective
- 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%
Banana Punch

Barney's Farm
- Delicious, Tropical Flavours
- Happy, Relaxing Effects
- From a Favourite Breeder
- Banana OG x Purple Punch
A fruity number from Barney's Farm which boasts equally split Indica/Sativa genetics and commensurately brilliant e
A fruity number from Barney's Farm which boasts equally split Indica/Sativa genetics and commensurately brilliant effects. Happy, relaxing and delicious, it's going to be a sure favourite.