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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Auto New York City

This variety is mostly a Sativa, very popular among growers and with a distinctive lemon taste.Its f..

From £4.95

Auto Northern Lights

Our variety comes from an old phenotype very difficult to find nowadays. We have cultivated it in hy..

From £5.95

Auto Oreoz x Orange Punch

Oreoz x Orange Punch Seeds are the very best of the Cookie lineage, with a citrus twist. The re..

From £9.95

Auto PopTartz

This premium quality, Indica leaning Auto crosses a sweet and fruity Cherry Pie with a hybridized, f..

From £18.95

Auto Skunk 47

Auto Skunk 47 is a fine cross between Auto Critical Mass and carefully selected Auto Kaya 47 cannabi..

From £14.65

Auto Sleepy Joe

For the autoflowering version of our bestseller Sleepy Joe, we crossed our select Obama Kush with an..

From £21.95

Auto Slurpeez

An immaculate Indica leaning Auto with heavy hitting, potent effects and a taste profile that is out..

From £18.95

Auto StarBurzt

Growing vast and compact, this heady Indica packs intensely loud, fruity hints of strawberries and c..

From £18.95

Auto Strawberry Banana

Auto Strawberry Banana has emerged from a Chiquita Banana and a Strawberry Amnesia Auto. With length..

From £17.95

Auto Strawbz

Big Bold Strawberry bubblegum flavors in both taste and aroma hail from its parents in this high yie..

From £18.95

Auto Super Hash

Super Hash is a plant that keeps its delicious flavor both by pollen extraction and consumed in bloo..

From £4.95

Auto Tutankhamon

A selection of Ak 47, this variety has one of the highest percentages of THC in the market (as demon..

From £5.95

Auto Wembley

Wembley is a pretty amazing variety resulting from the crossing of the famous Ak 47 and the tasty Bu..

From £5.95

Auto White Widow

One of the most famous strains in the world.It’s always fashionable because it’s very difficult to i..

From £4.95

Ayahuasca Purple

Ayahuasca Purple is an extraordinary strain that combines the unique genetics of a rare Red River De..

From £8.95

Bacio Gelati Auto

Auto Bacio Gelati Seeds are an elite parentage of (Bacio Gelato by Sherbinskis x Biscotti F2), and o..

From £9.95