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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Blueberry Ghost OG

Two legendary strains combine to produce this very special strain. We´ve used a monster Blueberry (B..

From £8.00

Bola Mintz

Bola Mintz was created in a complex and extensive breeding project and contains the genetics of the ..

From £27.95

Brain Damage

Braindamage is probably the strongest weed available at this moment. The THC and CBD levels in ..

From £30.95

Brain Damage Auto

Brain Damage Automatic is probably one of the strongest weeds available at this moment. The THC..

From £22.45

Bruce Banner #3

With ridiculous THC levels of 30%, these cannabis seeds are not for the faint-hearted, and if there ..

From £9.00

Bruce Banner #3

Bruce Banner cannabis seeds take its name from the alter-ego of comic book superhero the Hulk and it..

From £29.95

Bruce Banner 3

Delta9 Labs bred Bruce Banner III from an OG Kush and a Strawberry Diesel. Not only does this signif..

From £26.95

Bubba Kush

Blue Kush cannabis seeds by Dinafem Seeds belong to a feminized, Sativa-dominant cannabis strain obt..

From £8.50

Bubba Kush Auto

Bubba Kush Auto cannabis seeds by Dinafem Seeds belong to a feminized autoflowering Indica-dominant ..

From £8.50

Bubble Bomb

Bubble Bomb is the result of crossing Cannabis Cup winning Bubblegum cannabis seeds with our highly ..

From £22.75

Bubble Kush

The term ‘OG’ was originated in the hip-hop industry to mean ‘Original Gangster.’ But when it comes ..

From £8.00

Bubblegum x Fat Hog

Bubble Gum is a medium tall, usually not too branchy plant with compact, crystal covered buds. ..

From £22.45

Budzilla

This devastating G13 / Skunk #14 cross is a must for any grower whose serious about their smoke. For..

From £23.95

Burmese Kush

Burmese Kush is a beautiful mix between Trainwreck and White Widow marijuana seeds. The additio..

From £5.30

Butter Cupz

Butter Cupz is a moreish, 70% Sativa cross between the famous Peanut Butter Breath and the slightly ..

From £18.95

Buzz 'n' Smiles

These cannabis seeds are a cross between Super Lemon Haze and Big Head #1 genetics, creating a strai..

From £35.95