Heavyweight Seeds
Heavyweight Seeds is a Spanish-based seedbank that started in 2008 with a clear purpose: produce the most potent, high-yielding feminized cannabis seeds possible. No frills, no filler - just genetics built to perform.
Their 2Fast 2Vast Auto has become one of the most talked-about autoflowering strains in Europe, and the rest of the range keeps pace.
Diesel Drift
£34.95 Buy Now This product has multiple variants. The options may be chosen on the product pageFruit Punch Auto
Price range: £34.95 through £63.95 Buy Now This product has multiple variants. The options may be chosen on the product pageFully Loaded Auto
Price range: £23.95 through £63.95 Buy Now This product has multiple variants. The options may be chosen on the product pageGreen Ninja
Price range: £34.95 through £63.95 Buy Now This product has multiple variants. The options may be chosen on the product pageHigh Density Auto
Price range: £23.95 through £63.95 Buy Now This product has multiple variants. The options may be chosen on the product pageJackpot Auto
£63.95 Buy Now This product has multiple variants. The options may be chosen on the product pageLemon Cake
Price range: £34.95 through £63.95 Buy Now This product has multiple variants. The options may be chosen on the product pageMassive Midget Auto
Price range: £23.95 through £63.95 Buy Now This product has multiple variants. The options may be chosen on the product page
About Heavyweight Seeds
Heavyweight Seeds was founded in 2008 after the team had a chance encounter with a grower who’d achieved exceptional results from some unusual mother plants.
They bought clones, took them back to Spain, and spent the next year crossing, selecting, and refining – working out what those genetics were capable of and how to preserve the traits that made them special. They didn’t release anything until they were confident they had something worth putting their name on. That meant two solid years of research before a single seed went to market in 2010.
From the start, Heavyweight Seeds took an unconventional approach to germination testing. Rather than testing seeds in ideal conditions, they deliberately introduced poor conditions – variable temperature and humidity – to see which seeds pushed through regardless. It’s a stress-testing method that selects for resilience, and it gives some confidence that the seeds you receive aren’t going to struggle the moment something isn’t perfect in your grow.
The brand’s focus has stayed consistent: potency, yield, and resin. They’re not trying to be the most fashionable bank in the market. They’re trying to produce feminized and autoflowering strains that deliver serious results, and they’ve built a loyal following of growers who value exactly that.
Today, Heavyweight Seeds is recognized and trusted by collectors around the world. Whether you’re drawn to the sweet and energetic vibes of Fruit Punch, the decadent dessert-like flavors of Strawberry Cake, the high-yielding power of Monster Profit, or the award-worthy balance of Champion, there’s something here to elevate every collection.
Explore the Heavyweight Seeds catalog and discover why these genetics continue to set the standard for quality and performance across the globe.
