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High Yield Strains

High Yield 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.

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Hi Yield Genetics
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Auto Sour Melon Mass

Critical Mass Collective
- A Whopping 20% THC
- Heavy Resin Levels
- Up To 670 gr/m2 Indoors
- Height = 80-130 cm
Auto Sour Melon Mass finishes quickly maturing in just 70-80 days from seed. Extra-large flowers are evenly distributed
Auto Sour Melon Mass finishes quickly maturing in just 70-80 days from seed. Extra-large flowers are evenly distributed between the central cola and equally productive side branches for a truly impressive yield. You'll love the aroma! It's
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
Psychotropic Mass

Critical Mass Collective
- 1:1 Ratio of CBD to THC
- Exotic Lemon Spice Taste
- Quick 55 Days Flowering
- Dense Buds - Very Appealing
This is an unbeatable and useful medical cannabis seed, created by using genetics from the almighty Cannatonic. You'
This is an unbeatable and useful medical cannabis seed, created by using genetics from the almighty Cannatonic. You'll find evenly balanced CBD and THC ratios here, along with significant harvest capabilities and an amazing exotic lemon and pine
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.
Amnesia Lemon

Barney's Farm
- 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.