Positronics
Until they were forced to close, the legendary Positronics Seed Shop was an Amsterdam institution, and now that this brand has been relaunched in cannabis-friendly Spain, the saga continues with a wide range of award-winning feminized seeds, genuine automatics & even a few high-CBD medical seeds.
Germination of cannabis seeds is illegal in the UK unless you have an appropriate license issued from the home office. However, the 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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100 Grams, 18% THC, 79 Days or Less!Afghan Express
Extremely Fast - Freakishly Big!
Positronics left the automatic dwarfs behind when they created this monster! Afghan Express goes from tiny bean to a massive 1.4 meters in 79 days or less.
- 100 Gram Yields - 18% THC
- Afghan Hash Flavour
From £6.83 -
Unforgettable Yields - Unbelievably Strong!Amnesia Mystery
She'll Blow Your F'ing Mind!
Amnesia Mystery is a monster Sativa with up to 800 gr/seed yields &, brain-shattering THC (21%). Don't be shocked if these babies fry your brain to a crisp!
- Hawaiian X Jamaican &, Mystery Sativa
- Insane Volume - Up to 800 gr/seed in 90 Days!
From £11.39 -
Sedating, Narcotic, A Real Knockout!Black Widow
A Dark Beauty with True Power
Black Widow is a dark-green showpiece with an abundance of powdery white resin &, fresh, minty flavours &, plenty of power at a full 19% THC.
- Nearly Pure Indica - Extremely Relaxing
- Yields Can Go Up to 400 gr/m2 Inside
From £13.19 -
Blueberry X White Rhino = Medical Perfection!Blue Rhino
Blue Tinted Medical Marijuana Seeds
Positronics hit the nail right on the head with Blue Rhino Seeds. These blue-hued masterpieces will soothe what ails you or allow you to simply chill for the evening. Awesome!
- Blueberry X White Rhino
- 16% THC, 1.9% CBD, 600 gr/m2, 60 Days
From £12.59 -
Caramel Ice Feminised Seeds
Positronic Seeds Caramel Ice concentrates the flavour and the aroma of his parents, while presenting greater resistance to mould and a notable early flowering. From the fifth week the typical intense orange colour and calyx are covered with a large number o... More >From £12.00 -
Positronics' Triple Sativa Threat! -
Ginormous Yields - Shocking Power!Critical #47
Peach, Mango &, Vanilla - Yum!
Critical #47 is a real knockout with amazing flavours &, a tempting fragrance that'll keep your nose in the bag until you even the shake is history. You won't be able to get enough of this one!
- Critical Mass X AK-47
- 18% THC - 400 gr/m2, 50 Days!
From £13.19 -
Critical Mass X Low Ryder IICritical Express
100 Grams - 65 to 68 Days - 15% THC!
When it's more than merely important, Critical Express comes through like a champ for strong results &, plenty of it. This one is a stash-filler that's ready in practically no time!
- Critical Mass X Lowryder II
- Rich, Fruity Aroma &, Flavour
From £7.19 -
Graduate with Honors to this Superior Sativa!Cum Laude
The Grande Dame of Sativa Strains!
Cum Laude is a 3-way mix of pure Sativa strains with impressive 22% THC ratings, sophisticated aromas &, a crisp, clear high that hits fast &, lasts long. This is a rare find!
- Strong, Lucid, Immediate &, Long-Lasting
- Exotic Flavours &, Aroma - Classic Sativa
From £10.19 -
Giving It Up for Kush Fans!GordoMaster Kush
Named for Spain's Top Rap Master!
Positronic's named this limited-edition Kush in honor of Spain's very own rap master &, everything he stands for. Get these weed seeds &, experience the raw power of the Hindu Kush!
- Mostly Indica - Nearly Pure Hindu Kush Strain
- Compact &, Beafy with Weight-Bearing Sides
From £11.99 -
Very Productive with Extreme HighsJack Diesel
Highly Psychoactive - 22% THC
Jack Diesel smells great, tastes even better &, it'll send you flying into next week, my friend! This is one of the crispest highs on the planet - we kid you not!
- Jack Herer X NYC Diesel - Wow!
- Up to 500 gr/m2 Inside, 600 gr/seed Outside
From £15.59 -
MayDay Autoflowering Feminised Seeds
This very compact cannabis seed is reminiscent of a small Christmas tree. It has a very short distance intermodal, small leaves that make it undetected and remains green and healthy without extra power. The final height achieved is determined by the time of... More >From £12.00 -
'Scuse Me While I Kiss the Sky!Purple Haze
Jimi Made It Famous, Now It's Amazing!
Positronics fully refined Purple Haze to take it from moderately strong to super potent with an amazing 22% THC &, acid-like highs - not for the weak of heart!
- Purple Haze Thai, Double Crossed, Back Crossed &, Criss Crossed!
- Colours Range from Bright Violet to Rich Maroon
From £15.59 -
Somango #47 Feminised Seeds
Somango #47 is called to be a classic and was known in some forums as THE BEAST. From seedling it will amaze you with its complex development. It will get a bushy round like form, acquiring great volume very early. It has a very short internodal distance th... More >From £12.00 -
This Bad Girl Just Got Her Medical Degree!CBD+ Black Widow
Full-Blown Medical!
This is a smart choice for any true medical marijuana seed fan! CBD+ Black Widow delivers authentic White quality with the therapeutic richness of high CBD genetics.
- Black Widow X CBD Crew
- Honeyed Fragrance
From £13.19
Out of Stock