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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Northern Lights Auto

Northern Lights Auto - One of the best indica dominant strains on the planet. The ​Lowryde..

From £23.96

Nova OG

Nova OG Strain: The Culmination of Two Years of Meticulous Crafting by Anesia Seeds. Born of pa..

From £29.45

O.G Kush

O.G. Kush Feminised was developed in California and is one of the most popular cannabis strains in t..

From £28.95

Octane Fire OG

Octane Fire OG is a prize-winning Indica cannabis strain that has a very pungent lemon and pine arom..

From £19.95

OG Kush

OG Kush cannabis seeds by Dinafem Seeds belong to a feminized Indica-dominant cannabis strain that r..

From £8.50

OG Kush

OG Kush is considered one of the ultimate Kush varieties and is famous all over the world because of..

From £5.80

OG Kush

Its true genetics are unknown. Some say OG Kush is a mix of ChemDawg with a Lemon Thai and Pakistani..

From £7.00

OG Kush

OG Kush by Barney's Farm: A Legendary Strain for Relaxation and High Yields. Immerse yourself i..

From £10.50

OG Kush Auto

OG Kush Auto cannabis seeds by Dinafem Seeds belong to a feminized autoflowering Sativa/Indica/Ruder..

From £8.50

OG Kush x Amnesia

OG Kush x Amnesia Bulk Feminized Seeds: OG Kush is an extremely popular strain from California. ..

From £145.00

Oracle Octane

Oracle Octane is a highly potent super high THC strain made from a selected, exceptionally THC rich ..

From £31.95

Orange Bud

Orange Bud cannabis seeds are one of the original 100% Skunk strains and are still considered s..

From £26.50

Orange Bud 2.0

Orange Bud 2.0: The Bold Evolution of a Cannabis Classic. Orange Bud 2.0 is a striking evolutio..

From £29.95

Oreoz

Cali Weed's latest strain was born from crossing Cookies N Cream with Secret Weapon. As the nam..

From £21.45

Oreoz x Orange Punch

Oreoz x Orange Punch Cannabis Seeds are the very best of the Cookie lineage, with a citrus twist.&nb..

From £9.95

Original Amnesia

Original Amnesia cannabis seeds by Dinafem Seeds belong to a feminized, Sativa-dominant cannabis str..

From £7.50