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High-THC Seeds

Our high-THC cannabis seeds are carefully selected for their potency and quality. If you're looking to buy potent weed genetics, then you're in the right place. At Azarius, we offer the best high-THC marijuana seeds with discreet shipping and a satisfaction guarantee. For growers who love potency, there are no better options than our high-THC weed seeds. Buy yours from Azarius today.

14 products

14 products

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Seeds: 1 £ 6,59 Seeds: 3 £ 18,04 Seeds: 5 £ 25,68 Seeds: 10 £ 43,03

GG4 | Cannabis Seeds by Azarius

GG4

New

☆☆☆☆☆ ★★★★★

(6)

GG4

£18,04

GG4 | Cannabis Seeds by Azarius

GG4

New

GG4

£18,04

GG4 | Cannabis Seeds by Azarius

GG4

New

GG4

Feminized seeds

Gorilla Glue #4 is a high-THC, sativa-leaning hybrid from Chem Sis, Sour Dubb, and Chocolate Diesel. It delivers energetic and euphoric effects with fruity, piney, and spicy flavours. Ideal for various mood-related disorders, GG4 is prized for its resinous buds and premium quality, making it perfect for extracts. <td...

£18,04

GG4 | Cannabis Seeds by Azarius

GG4

New

GG4

Feminized seeds

Gorilla Glue #4 is a high-THC, sativa-leaning hybrid from Chem Sis, Sour Dubb, and Chocolate Diesel. It delivers energetic and euphoric effects with fruity, piney, and spicy flavours. Ideal for various mood-related disorders, GG4 is prized for its resinous buds and premium quality, making it perfect for extracts. <td...

£18,04

Seeds: 1 £ 6,59 Seeds: 3 £ 18,04 Seeds: 5 £ 25,68 Seeds: 10 £ 43,03

GG4 Auto | Cannabis Seeds by Azarius

GG4 Auto

New

☆☆☆☆☆ ★★★★★

(6)

GG4 Auto

£18,04

GG4 Auto | Cannabis Seeds by Azarius

GG4 Auto

New

GG4 Auto

£18,04

GG4 Auto | Cannabis Seeds by Azarius

GG4 Auto

New

GG4 Auto

Autoflowering seeds

Gorilla Glue #4 Autoflower is a mostly sativa hybrid with fruity, piney flavours and a euphoric high powered by 18–24% THC. It is efficient to grow, is harvest-ready in 8–10 weeks, and thrives indoors or outdoors. Genetics: Gorilla Glue #4 x Ruderalis <td...

£18,04

GG4 Auto | Cannabis Seeds by Azarius

GG4 Auto

New

GG4 Auto

Autoflowering seeds

Gorilla Glue #4 Autoflower is a mostly sativa hybrid with fruity, piney flavours and a euphoric high powered by 18–24% THC. It is efficient to grow, is harvest-ready in 8–10 weeks, and thrives indoors or outdoors. Genetics: Gorilla Glue #4 x Ruderalis <td...

£18,04

Seeds: 1 £ 6,59 Seeds: 3 £ 18,04 Seeds: 5 £ 25,68 Seeds: 10 £ 43,03

Granddaddy Purple | Cannabis Seeds by Azarius

Granddaddy Purple

New

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(4)

Granddaddy Purple

£18,04

Granddaddy Purple | Cannabis Seeds by Azarius

Granddaddy Purple

New

Granddaddy Purple

£18,04

Granddaddy Purple | Cannabis Seeds by Azarius

Granddaddy Purple

New

Granddaddy Purple

Feminized seeds

Granddaddy Purple is a high-THC, mostly indica hybrid with berry and fruity flavours, ideal for evening relaxation. Recognised for its resinous, deep purple buds, it has a flowering time of 8–10 weeks. Suitable for indoor and outdoor cultivation, it thrives with proper care and optimal conditions. ...

£18,04

Granddaddy Purple | Cannabis Seeds by Azarius

Granddaddy Purple

New

Granddaddy Purple

Feminized seeds

Granddaddy Purple is a high-THC, mostly indica hybrid with berry and fruity flavours, ideal for evening relaxation. Recognised for its resinous, deep purple buds, it has a flowering time of 8–10 weeks. Suitable for indoor and outdoor cultivation, it thrives with proper care and optimal conditions. ...

£18,04

Seeds: 1 £ 10,06 Seeds: 3 £ 18,04 Seeds: 5 £ 29,15 Seeds: 10 £ 46,51

Wedding Cake Auto | Cannabis Seeds by Azarius

Wedding Cake Auto

New

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(8)

Wedding Cake Auto

£18,04

Wedding Cake Auto | Cannabis Seeds by Azarius

Wedding Cake Auto

New

Wedding Cake Auto

£18,04

Wedding Cake Auto | Cannabis Seeds by Azarius

Wedding Cake Auto

New

Wedding Cake Auto

Autoflowering seeds

Wedding Cake Auto, a potent, mostly indica hybrid from Wedding Cake x Girl Scout Cookies Auto, offers a powerful, balanced, relaxing, and cerebral experience. With sweet, fruity, woody flavours and 20–25% THC levels, it thrives indoors and outdoors, yielding impressive results. Ideal for both seasoned and novice growers. <td...

£18,04

Wedding Cake Auto | Cannabis Seeds by Azarius

Wedding Cake Auto

New

Wedding Cake Auto

Autoflowering seeds

Wedding Cake Auto, a potent, mostly indica hybrid from Wedding Cake x Girl Scout Cookies Auto, offers a powerful, balanced, relaxing, and cerebral experience. With sweet, fruity, woody flavours and 20–25% THC levels, it thrives indoors and outdoors, yielding impressive results. Ideal for both seasoned and novice growers. <td...

£18,04

Seeds: 1 £ 5,89 Seeds: 3 £ 14,57 Seeds: 5 £ 22,21 Seeds: 10 £ 36,09

Moby Dick | Cannabis Seeds by Azarius

Moby Dick

New

☆☆☆☆☆ ★★★★★

(7)

Moby Dick

£14,57

Moby Dick | Cannabis Seeds by Azarius

Moby Dick

New

Moby Dick

£14,57

Moby Dick | Cannabis Seeds by Azarius

Moby Dick

New

Moby Dick

Feminized seeds

Moby Dick is a predominantly sativa strain, a hybrid of White Widow x Haze, boasting citrus, pine, and sweet flavours. With a THC content of 24–27%, it provides energetic, happy highs. The perfect natural pick-me-up, Moby Dick grows well indoors and outdoors, flowering in 9-10 weeks. ...

£14,57

Moby Dick | Cannabis Seeds by Azarius

Moby Dick

New

Moby Dick

Feminized seeds

Moby Dick is a predominantly sativa strain, a hybrid of White Widow x Haze, boasting citrus, pine, and sweet flavours. With a THC content of 24–27%, it provides energetic, happy highs. The perfect natural pick-me-up, Moby Dick grows well indoors and outdoors, flowering in 9-10 weeks. ...

£14,57

Seeds: 1 £ 5,20 Seeds: 3 £ 13,18 Seeds: 5 £ 18,04 Seeds: 10 £ 32,62

Sour Diesel | Cannabis Seeds by Azarius

Sour Diesel

New

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(9)

Sour Diesel

£13,18

Sour Diesel | Cannabis Seeds by Azarius

Sour Diesel

New

Sour Diesel

£13,18

Sour Diesel | Cannabis Seeds by Azarius

Sour Diesel

New

Sour Diesel

Feminized seeds

Sour Diesel, a renowned sativa-dominant hybrid, offers uplifting, cerebral effects with flavours of citrus, diesel, and earthiness. Originating from a cross of Chemdawg and Super Skunk, it's known for its high THC content (22–25%) and terpene profile, making it ideal for daytime energy. ...

£13,18

Sour Diesel | Cannabis Seeds by Azarius

Sour Diesel

New

Sour Diesel

Feminized seeds

Sour Diesel, a renowned sativa-dominant hybrid, offers uplifting, cerebral effects with flavours of citrus, diesel, and earthiness. Originating from a cross of Chemdawg and Super Skunk, it's known for its high THC content (22–25%) and terpene profile, making it ideal for daytime energy. ...

£13,18

Seeds: 1 £ 5,20 Seeds: 3 £ 13,18 Seeds: 5 £ 20,82 Seeds: 10 £ 38,17

Sour Diesel Auto | Cannabis Seeds by Azarius

Sour Diesel Auto

New

☆☆☆☆☆ ★★★★★

(7)

Sour Diesel Auto

£13,18

Sour Diesel Auto | Cannabis Seeds by Azarius

Sour Diesel Auto

New

Sour Diesel Auto

£13,18

Sour Diesel Auto | Cannabis Seeds by Azarius

Sour Diesel Auto

New

Sour Diesel Auto

Autoflowering seeds

Sour Diesel Auto, a sativa-dominant hybrid bred from Chemdog 91 x Super Skunk, offers a citrusy, diesel, herbal flavour. With medium THC levels (16–23%), it provides an energetic, euphoric experience. Easy to cultivate indoors and outdoors, it boasts fast growth and ample yields. Genetics:...

£13,18

Sour Diesel Auto | Cannabis Seeds by Azarius

Sour Diesel Auto

New

Sour Diesel Auto

Autoflowering seeds

Sour Diesel Auto, a sativa-dominant hybrid bred from Chemdog 91 x Super Skunk, offers a citrusy, diesel, herbal flavour. With medium THC levels (16–23%), it provides an energetic, euphoric experience. Easy to cultivate indoors and outdoors, it boasts fast growth and ample yields. Genetics:...

£13,18

Seeds: 1 £ 7,28 Seeds: 3 £ 19,43 Seeds: 5 £ 29,84 Seeds: 10 £ 49,98

Bruce Banner - Cannabis Seeds by Azarius Seeds

Bruce Banner

New

☆☆☆☆☆ ★★★★★

(5)

Bruce Banner

£19,43

Bruce Banner - Cannabis Seeds by Azarius Seeds

Bruce Banner

New

Bruce Banner

£19,43

Bruce Banner - Cannabis Seeds by Azarius Seeds

Bruce Banner

New

Bruce Banner

Feminized seeds

Bruce Banner is a storied cannabis strain that took the world by storm. Combining genetics from two heavyweight parent strains, it boasts earthy, fruity, and sweet flavours alongside high THC levels and extremely relaxing effects. Easy to grow indoors or outdoors, it flowers in 8–10 weeks and delivers generous yields. <td...

£19,43

Bruce Banner - Cannabis Seeds by Azarius Seeds

Bruce Banner

New

Bruce Banner

Feminized seeds

Bruce Banner is a storied cannabis strain that took the world by storm. Combining genetics from two heavyweight parent strains, it boasts earthy, fruity, and sweet flavours alongside high THC levels and extremely relaxing effects. Easy to grow indoors or outdoors, it flowers in 8–10 weeks and delivers generous yields. <td...

£19,43

Seeds: 1 £ 7,28 Seeds: 3 £ 19,43 Seeds: 5 £ 29,84 Seeds: 10 £ 49,98

Bruce Banner Auto | Cannabis Seeds by Azarius

Bruce Banner Auto

New

☆☆☆☆☆ ★★★★★

(7)

Bruce Banner Auto

£19,43

Bruce Banner Auto | Cannabis Seeds by Azarius

Bruce Banner Auto

New

Bruce Banner Auto

£19,43

Bruce Banner Auto | Cannabis Seeds by Azarius

Bruce Banner Auto

New

Bruce Banner Auto

Autoflowering seeds

Bruce Banner Autoflower is a mostly sativa strain offering diesel, earthy, sweet flavours with energetic and relaxing effects. With a THC level of 21–26%, it promotes happiness and focus. Ideal for indoor or outdoor growth, it is harvest-ready in 8–10 weeks and thrives under optimal conditions. ...

£19,43

Bruce Banner Auto | Cannabis Seeds by Azarius

Bruce Banner Auto

New

Bruce Banner Auto

Autoflowering seeds

Bruce Banner Autoflower is a mostly sativa strain offering diesel, earthy, sweet flavours with energetic and relaxing effects. With a THC level of 21–26%, it promotes happiness and focus. Ideal for indoor or outdoor growth, it is harvest-ready in 8–10 weeks and thrives under optimal conditions. ...

£19,43

Seeds: 1 £ 6,59 Seeds: 3 £ 18,04 Seeds: 5 £ 25,68 Seeds: 10 £ 43,03

Kush Mints | Cannabis Seeds by Azarius

Kush Mints

New

☆☆☆☆☆ ★★★★★

(5)

Kush Mints

£18,04

Kush Mints | Cannabis Seeds by Azarius

Kush Mints

New

Kush Mints

£18,04

Kush Mints | Cannabis Seeds by Azarius

Kush Mints

New

Kush Mints

Feminized seeds

The Kush Mints strain, a hybrid from Animal Mints x Bubba Kush, offers a mint-pine flavour and a balanced indica-sativa experience with THC levels of 25–27%. Ideal for relaxation and a natural mood boost, it features terpenes like limonene and myrcene. Genetics: Animal Mints x...

£18,04

Kush Mints | Cannabis Seeds by Azarius

Kush Mints

New

Kush Mints

Feminized seeds

The Kush Mints strain, a hybrid from Animal Mints x Bubba Kush, offers a mint-pine flavour and a balanced indica-sativa experience with THC levels of 25–27%. Ideal for relaxation and a natural mood boost, it features terpenes like limonene and myrcene. Genetics: Animal Mints x...

£18,04

Seeds: 1 £ 5,89 Seeds: 3 £ 14,57 Seeds: 5 £ 22,21 Seeds: 10 £ 36,09

OG Kush | Cannabis Seeds by Azarius

OG Kush

New

☆☆☆☆☆ ★★★★★

(6)

OG Kush

£14,57

OG Kush | Cannabis Seeds by Azarius

OG Kush

New

OG Kush

£14,57

OG Kush | Cannabis Seeds by Azarius

OG Kush

New

OG Kush

Feminized seeds

OG Kush seeds, a predominantly Indica hybrid, offer citrusy flavours and a strong body high. With THC levels between 20% and 24%, they provide deep relaxation and physical relief. Ideal for both indoor and outdoor cultivation, these seeds ensure stable genetics and a productive flowering period of 8–10 weeks. <td...

£14,57

OG Kush | Cannabis Seeds by Azarius

OG Kush

New

OG Kush

Feminized seeds

OG Kush seeds, a predominantly Indica hybrid, offer citrusy flavours and a strong body high. With THC levels between 20% and 24%, they provide deep relaxation and physical relief. Ideal for both indoor and outdoor cultivation, these seeds ensure stable genetics and a productive flowering period of 8–10 weeks. <td...

£14,57

Seeds: 1 £ 6,59 Seeds: 3 £ 18,04 Seeds: 5 £ 25,68 Seeds: 10 £ 43,03

Ice Cream Cake | Cannabis Seeds by Azarius

Ice Cream Cake

New

☆☆☆☆☆ ★★★★★

(5)

Ice Cream Cake

£18,04

Ice Cream Cake | Cannabis Seeds by Azarius

Ice Cream Cake

New

Ice Cream Cake

£18,04

Ice Cream Cake | Cannabis Seeds by Azarius

Ice Cream Cake

New

Ice Cream Cake

Feminized seeds

Ice Cream Cake is a mostly indica hybrid with Gelato #33 and Wedding Cake lineage, boasting 22–25% THC. It offers citrus, pine, and sweet flavours, with euphoric, happy, and relaxing effects—perfect for evening use. Genetics: Gelato #33 x Wedding Cake <td...

£18,04

Ice Cream Cake | Cannabis Seeds by Azarius

Ice Cream Cake

New

Ice Cream Cake

Feminized seeds

Ice Cream Cake is a mostly indica hybrid with Gelato #33 and Wedding Cake lineage, boasting 22–25% THC. It offers citrus, pine, and sweet flavours, with euphoric, happy, and relaxing effects—perfect for evening use. Genetics: Gelato #33 x Wedding Cake <td...

£18,04

Seeds: 1 £ 6,59 Seeds: 3 £ 18,04 Seeds: 5 £ 25,68 Seeds: 10 £ 43,03

Permanent Marker - Cannabis Seeds by Azarius

Permanent Marker

New

☆☆☆☆☆ ★★★★★

(12)

Permanent Marker

£18,04

Permanent Marker - Cannabis Seeds by Azarius

Permanent Marker

New

Permanent Marker

£18,04

Permanent Marker - Cannabis Seeds by Azarius

Permanent Marker

New

Permanent Marker

Feminized seeds

Breathe in creativity. Permanent Marker fills the air — not just with scent, but with pure, raw creativity that jolts your mind awake. Every hit sharpens your senses: creamy sweetness, gassy undertones, and a rush of inspiration you never saw coming. Forget staying inside the lines; this is chaos, courage, and brilliant madness rolled into one. Time to color outside the...

£18,04

Permanent Marker - Cannabis Seeds by Azarius

Permanent Marker

New

Permanent Marker

Feminized seeds

Breathe in creativity. Permanent Marker fills the air — not just with scent, but with pure, raw creativity that jolts your mind awake. Every hit sharpens your senses: creamy sweetness, gassy undertones, and a rush of inspiration you never saw coming. Forget staying inside the lines; this is chaos, courage, and brilliant madness rolled into one. Time to color outside the...

£18,04

Seeds: 1 £ 6,59 Seeds: 3 £ 18,04 Seeds: 5 £ 25,68 Seeds: 10 £ 43,03

Permanent Marker Auto

Permanent Marker Auto

New

☆☆☆☆☆ ★★★★★

(9)

Permanent Marker Auto

£18,04

Permanent Marker Auto

Permanent Marker Auto

New

Permanent Marker Auto

£18,04

Permanent Marker Auto

Permanent Marker Auto

New

Permanent Marker Auto

Autoflowering seeds

Inhale creativity. Permanent Marker Auto fills the space around you — not only with its aroma but with unfiltered, raw creative energy that sparks your mind. Each hit sharpens your perceptions: smooth sweetness, fuel-like notes, and a surge of inspiration you didn't expect. Leave the boundaries behind; this is chaos, bravery, and genius madness all combined. It's time to...

£18,04

Permanent Marker Auto

Permanent Marker Auto

New

Permanent Marker Auto

Autoflowering seeds

Inhale creativity. Permanent Marker Auto fills the space around you — not only with its aroma but with unfiltered, raw creative energy that sparks your mind. Each hit sharpens your perceptions: smooth sweetness, fuel-like notes, and a surge of inspiration you didn't expect. Leave the boundaries behind; this is chaos, bravery, and genius madness all combined. It's time to...

£18,04

Why Grow High-THC Seeds?

High-THC weed strains from the Azarius seed bank are some of the most potent genetics you can get your hands on. You'll want to buy strains with a high THC content if you're after a long-lasting and powerful experience. Growers and smokers value these genetics for several reasons, such as having developed a high tolerance to THC or simply because they prefer hard-hitting and longer-lasting psychoactive effects.

What Is THC and How Does It Work?

THC underpins the potency of cannabis. This molecule occurs in the trichomes of weed flowers in varying concentrations depending on genetic and environmental factors. When smoked, vaped, or eaten, THC enters the brain, where it triggers the release of the feel-good molecule dopamine, resulting in a euphoric effect. Investing in high-THC weed seeds means you'll get more of this cannabinoid with every inhalation.

What Is Considered High THC?

Cannabis users often ask questions such as "What percentage of THC is enough?" and "Is 20% THC a lot?". In truth, THC affects people differently based on factors such as tolerance and genetics. However, quantities of 25–30% are generally recognised as a high THC level.

How to Choose a High-THC Cannabis Strain

When buying high-THC marijuana seeds from our seed bank, you'll want to take some time to look at each strain's unique traits. Aside from the THC level (which will determine potency), check out the terpenes in each variety to get an idea of the flavours and effects they provide. You'll also want to consider the size of each plant and how much of a harvest you can expect to receive.

Are High-THC Feminized Photoperiod Seeds Stronger Than Autoflower Seeds?

Traditionally, most growers opted for feminized photoperiod strains when looking to buy cannabis seeds with high levels of THC. However, breeders have worked hard over the years to raise concentrations in auto strains. F1 hybrid autos, for example, offer huge levels of the cannabinoid. When looking to buy plants with the highest THC concentrations, you should definitely consider autoflowering genetics!

Are Indica Genetics More Potent Than Sativa?

Should you opt for sativa or indica strains when purchasing high-THC marijuana seeds? While these labels help to describe the potential size and appearance of a cannabis strain, they do little to describe its flavour or effects. Instead, you should focus solely on the THC and terpene content of a strain to determine its power.

Does Skunk, Gelato, or Gorilla Genetics Contain the Most THC?

Skunk, Gelato, and Gorilla genetics are all famous for their high concentrations of THC. While they'll all scratch that psychoactive itch, Gorilla strains offer some of the highest THC values available.

How Do You Increase THC Before Harvesting?

All high-THC weed seeds are capable of churning out huge levels of the cannabinoid, but you need to help them along the way. Provide strong lighting, the right nutrients, and the proper quantities of water during the growing cycle to produce some truly potent cannabis.

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