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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Power Plant

As soon as it was released in 1997 Power Plant became an instant success, a heavy yielding and highl..

From £22.00

Premium Diesel

Premium Diesel originates from Chemdawg from Colorado, of which its origins are a mystery. Its name ..

From £4.60

Pure Africa

As a seed bank, Original Sensible Seeds are gaining a name for the quality of our strains, and Pure ..

From £57.00

Pure Durban

Pure Durban by Anesia Seeds: The Ultimate Landrace Sativa Experience. Pure Durban, a native str..

From £26.95

Pure Kush

The couch locking effect that a good quality Kush can give you has always made this strain one of ou..

From £5.00

Purple Boost Highness

Purple Boost Highness: Amplify Potency with THCV-Infused Sativa Brilliance.  Purple Boost ..

From £30.95

Purple Domina Auto

Purple Domina Auto is a very fast Indica dominant automatic strain that contains Purple Kush and Bla..

From £22.95

Purple Dosi Punch

With the collaboration of the Growers Choice team and an underground USA breeding crew the access to..

From £19.95

Purple Lobster

Purple Lobster by Anesia Seeds: A Galactic Hybrid of Flavor and Power. Introducing Purple Lobst..

From £29.95

Purple Punch

Purple Punch feminized seeds deliver extremely potent buds from top-class USA genetics. These g..

From £23.00

Purple Punch Auto

Purple Punch Auto combines powerful Grandaddy Purple genetics with the underground legend Larry OG. ..

From £23.00

Purple Sunset

The awesome blend of Purple Punch and Sunset Sherbet makes your mouth water. Never has anyone c..

From £19.95

Purple Sunset Auto

The awesome blend of purple punch and sunset sherbet makes your mouth water. Never has anyone c..

From £19.95

Purps OG

To create the Purps OG strain we crossed an original Mendo Purps Elite clone with a male Ghost OG. M..

From £26.95

Quick Bud

Critical Bilbo Fast Version - Fast Flowering in 7 Weeks. Quick Bud is an Indica dominant fast f..

From £23.96

Rainbow Candy

Rainbow Candy by Growers Choice – Sweet, Fruity, and Potent Cannabis Strain. Rainbow Candy by G..

From £19.95