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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Sherbet Auto

The only thing more desirable than the award-winning Sherbet genetics is Sherbet Autoflower genetics..

From £23.00

Shining Silver Haze

Ever since a pair of brothers started breeding Sativas from all over the world back in the 70s, cann..

From £7.00

Silver Grape Sherbet

After making a beautiful blend of the real Dutch Super Silver Haze with the excellent flavour of the..

From £19.95

Six Shooter

Here we set our sights on the goal of creating a super productive auto-flowering feminized cannabis ..

From £9.95

Skunk

Skunk is one of the most classic cannabis strains in the world and is often used as a base for many ..

From £4.60

Sleepy Joe

For Sleepy Joe, we took a long time to select an Obama Kush for potency and aroma and then crossed i..

From £26.95

Slurricane

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

From £28.95

Slusheez

Introducing Slusheez by Frosteez Farmz - an Indica-forward marvel crafted to captivate the senses.&n..

From £18.95

Smashberry Fumez

Smashberry Fumez by Anesia Seeds – High-Octane Sweetness with Unmatched Potency. Step into the ..

From £31.95

Smashberry Fumez Auto

Smashberry Fumez Auto by Anesia Seeds – Fast-Growing, Berry-Lemon Bliss. Elevate your grow game..

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 by Anesia Seeds: A Potent Sativa-Dominant Strain with Unmatched Flavor and Effects. ..

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