High THC Cannabis Seeds

High THC Cannabis Seeds

This section is a collection of the most powerful and potent high THC cannabis seeds available to our team at SeedMasters.com!


We have carefully picked the very strongest strains in terms of high THC content, saving you time and providing you with some ferocious world class genetics that will seriously blow your socks off! We are excited to showcase the indisputable potency of these champion strains and to do our bit to make them more accessible as a whole.

Our High THC cannabis seeds are reserved for those with real tolerance, those who are brave, and those who are just plain irresponsible! This list is NOT for newbies!!!

These strains are perfect for the professional, long-term enthusiasts looking to put some raw horsepower behind their breeding operations, for the established home-growers looking to try something even more rewarding, or just for anyone with courage who is looking to put some hairs on their chest! Whatever your situation, it's safe to say these will not disappoint!

..and as always you can expect nothing less than 
high-quality cannabis seeds when you buy from our team here at SeedMasters.com! 
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Auto Future #1

After the incredible success of our unique and multi-award-winning Future # 1, our breeders set to w..

From £21.95

Auto Galaxy

Hybrid between Afghani and Northern Lights, Galaxy is a variety that surprised us for its great yiel..

From £5.95

Auto Ghost OG

Our Auto OG Kush just got even better with the addition of Colorado Ghost OG cannabis seeds.In this ..

From £7.00

Auto Imperium X

Auto Imperium X has emerged from a City of God, The White Angel and a Auto Future #1. With lengthy a..

From £21.95

Auto Kryptonite

We took several phenotypes of the Granada Mountains and crossed them with our varieties to find a pl..

From £4.95

Auto Lemongrass

Auto Lemongrass is the latest evolution in auto-flowering genetics. Our breeders used their man..

From £21.95

Auto Lennon

Lennon comes from a selection of Jack Herer crossed with Haze. This is a Sativa hybrid, very psychoa..

From £5.95

Auto Nefertiti

 The Cannabis Oil that the Canadian Kids rely on , is stuck at the border. Peculiar for its str..

From £5.95

Auto New York City

This variety is mostly a Sativa, very popular among growers and with a distinctive lemon taste.Its f..

From £4.95

Auto Northern Lights

Our variety comes from an old phenotype very difficult to find nowadays. We have cultivated it in hy..

From £5.95

Auto Nova OG

It took us 2 years to breed our exceptional and multi-cup winning Nova OG as an auto-flowering varie..

From £21.95

Auto Oreoz x Orange Punch

Oreoz x Orange Punch Seeds are the very best of the Cookie lineage, with a citrus twist. The re..

From £9.95

Auto PopTartz

This premium quality, Indica leaning Auto crosses a sweet and fruity Cherry Pie with a hybridized, f..

From £18.95

Auto Skunk 47

Auto Skunk 47 is a fine cross between Auto Critical Mass and carefully selected Auto Kaya 47 cannabi..

From £14.65

Auto Sleepy Joe

For the autoflowering version of our bestseller Sleepy Joe, we crossed our select Obama Kush with an..

From £21.95

Auto Slurpeez

An immaculate Indica leaning Auto with heavy hitting, potent effects and a taste profile that is out..

From £18.95