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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Slurricane

Slurricane Strain : The Top Tier Indica Cannabis Strain Slurricane Strain: GeneticsSlurricane i..

From £28.95

Slusheez

A super sweet Indica Dominant strain made by crossing a beautiful Slurricane with zingy Lemon Zlushi..

From £18.95

Smashberry Fumez

Cruise into the smoky haze of Anesia Seeds new Smashberry Fumez, where the sweetness of the streets ..

From £31.95

Smashberry Fumez Auto

Jump into the fast lane with Smashberry Fumez Auto, where the essence of autoflower magic meets the ..

From £22.95

Smorez

A sweet Indica dominant hybrid with a perfect balance of sugary candy and creamy Marshmallow... like..

From £18.95

Somango Widow

Taking its stunning flavor and aroma from Somango cannabis seeds, this strain is further enriched by..

From £15.25

Somango XL

Loved for its sweet taste, pleasant high, and fruity scent, Somango has been dubbed “the beast” afte..

From £8.00

Sour Apple

Sour Apple Strain : Most Loved Apple Weed Strain Sour Apple Strain : Creation The Sour Apple st..

From £24.95

Sour Betty

Sour Betty is a new and incomparable Sativa dominant cannabis strain that meets all needs in terms o..

From £29.95

Sour Diesel

Sour Diesel offers a super-clear head high with intense mood-boosting power. Also known as Sour D, t..

From £23.50

Sour Diesel

Growers Choice got their hands on some really good genetics out of California and they believe they’..

From £30.95

Sour Diesel Auto

Sour Diesel Auto cannabis seeds by Dinafem Seeds belong to a feminized autoflowering Sativa/Indica/R..

From £7.50

Sour Tangie

Sour Tangie is an ideal choice for licensed commercial growers this plant displays reliable, robust ..

From £8.95

Sour Zkittlez

Sour Zkittles is a new strain developed by one of the most experienced Growers Choice breeders. ..

From £35.45

Sprinklez

Sprinklez is a delicious cross of Sherbet Gelato and the revered Zkittles line. A predominantly..

From £18.95

Starburst

This sativa dominant strain has its origins in Alaska and came as a result of crossing Tangerine wit..

From £21.45