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! 
Sort By:


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

From £6.95

West Coast O.G

OG...a name opulent with meaning: legendary, mysterious origins lost in the mists of lore and time; ..

From £7.95

White Cheese Auto

White Cheese Auto cannabis seeds by Dinafem Seeds belong to an Indica-dominant, feminized, autoflowe..

From £6.50

White Critical

High yielding potent marijuana strain created from solid genetics of popular parent varieties Critic..

From £6.00

White Fire Gelato

Ever seen an ice cream that was on fire?? Well, here it is...Two top-shelf strains put together with..

From £30.95

White Fire OG

White Fire OG is also known as WIFI. It's a mix of Fire OG and The White. As The White is known..

From £30.95

White Fire Punch

Two legends mixed into the perfect combination...White Fire and Purple Punch, do we need to say any ..

From £30.95

White Kush

White Kush cannabis seeds are an almost pure Indica. It's strong, pungent aroma and distinct bud for..

From £15.45

White Runtz

With our White Runtz feminized we bring the outstanding and rare genetic lines of a first-class cann..

From £29.45

White Siberian

White Siberian cannabis seeds by Dinafem Seeds belong to an Indica-dominant, feminized cannabis stra..

From £6.50

White Thunder

Kera Seeds developed the beautiful White Thunder and it has everything you need to get started. It w..

From £3.10

White Widow

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

From £5.95

White Widow

Over the years, literally thousands of marijuana strains have been discovered, bred and smoked. No s..

From £7.00

White Widow

White Widow cannabis seeds by Dinafem Seeds belong to a feminized, Indica-dominant cannabis strain t..

From £8.50

White Widow

White Widow weed seeds are a legendary dutch classic with deep origins in Holland. Our version ..

From £4.60

White Widow Auto

White Widow Autoflowering cannabis seeds by Dinafem Seeds belong to an Indica-dominant, feminized, a..

From £7.00