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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Fast & Vast Auto

If you seek the maximum amount and the maximum power in an automatic plant, there is no need to look..

From £23.95

Fast Caramelic

Fast Caramelic is a hybrid of Big Bud and Caramello with a marvelous sweet candy smell and an amazin..

From £26.95

Fastberry

Fastberry is our unique version of the original Blueberry line. Feminized and autoflowering, it poss..

From £7.95

Fat Caramel Auto

Fat Caramel is a bang-up-to-date automatic mass harvest satisfier that has proven very popular with ..

From £35.95

Fat Monkey Auto

Fat Monkey Auto is an extremely potent auto-flowering strain that delivers high yields, a great Pote..

From £22.45

Foster

Foster is a balanced hybrid with a slight sativa dominance and it’s the result of crossing a particu..

From £29.45

Franco's Lemon Cheese

Franco’s Lemon Cheese cannabis seeds are a truly unique cross of lemon and cheese cannabis genetics...

From £24.05

Fresh Candy

After having worked on the 2001 regular Sweet Tooth seeds from Spice of Life, we selected this pheno..

From £5.95

Froot Loopz

Froot Loopz is a highly sought after Indica hybrid that has gained notoriety for its outrageous colo..

From £18.95

Frosty Gelato

Growers Choice crossed their brain damage with the world famous gelato, the result was a THC covered..

From £30.95

Frosty Gelato Auto

Growers Choice crossed their brain damage with the world famous gelato, the result was a THC covered..

From £22.45

Frozen Black Cherry

Our new Frozen Black Cherry is packed with THC and has an extremely frosty appearance. She is a..

From £29.95

Frozen Black Cherry Auto

Do you know Anesia's Frozen Black Cherry? Her irresistible aroma of juicy sweet cherries combined wi..

From £24.95

Frozen Face Auto

Introducing Frozen Face Auto, our new autoflowering strain that’s as refreshing as a frosty morning ..

From £24.95

Fruit Punch

Fruit Punch is fast becoming a legend around the globe; this quickly flowering sativa dominant plant..

From £23.95

Fruit Punch Auto

It’s finally here! After many requests Heavyweight have produced an autoflowering version of the leg..

From £23.95