Collection: High THC Seeds – Premium Strength Cannabis Seed Selection UK

Explore our High THC Seeds collection at Laughing Leaf Seeds, featuring cannabis seed varieties known for their higher-intensity profiles and bold characteristics. This selection is ideal for customers seeking stronger options within our wider catalogue.

For contrast, explore gentler options in our Low THC Seeds, browse balanced genetics in Hybrid Seeds, or see what’s freshly listed in New Arrivals. You can also finish your browse with our Hats & Caps.

Blueberry Pancakes Feminised Seeds – Humboldt Seed Co.

Blueberry Pancakes Feminised Seeds – Humboldt Seed Co.

Regular price £50.35 GBP

Regular price Sale price £50.35 GBP
Unit price per
Bigfoot Glue Feminised Seeds – Humboldt Seed Co.

Bigfoot Glue Feminised Seeds – Humboldt Seed Co.

Regular price £90.25 GBP

Regular price Sale price £90.25 GBP
Unit price per
California Octane Feminised Seeds – Humboldt Seed Co.

Sold out

California Octane Feminised Seeds – Humboldt Seed Co.

Regular price £50.35 GBP

Regular price Sale price £50.35 GBP
Unit price per

Sold out
Chicken n' Wafflez Feminised Seeds – Humboldt Seed Co.

Chicken n' Wafflez Feminised Seeds – Humboldt Seed Co.

Regular price £33.25 GBP

Regular price Sale price £33.25 GBP
Unit price per
Donutz Triploid Feminised Seeds – Humboldt Seed Co.

Sold out

Donutz Triploid Feminised Seeds – Humboldt Seed Co.

Regular price £95.00 GBP

Regular price Sale price £95.00 GBP
Unit price per

Sold out
Donutz Feminised Seeds – Humboldt Seed Co.

Donutz Feminised Seeds – Humboldt Seed Co.

Regular price £50.35 GBP

Regular price Sale price £50.35 GBP
Unit price per
Durban Poison Auto Feminised Seeds – Humboldt Seed Co.

Durban Poison Auto Feminised Seeds – Humboldt Seed Co.

Regular price £50.35 GBP

Regular price Sale price £50.35 GBP
Unit price per
Golden Sands Feminised Seeds – Humboldt Seed Co.

Golden Sands Feminised Seeds – Humboldt Seed Co.

Regular price £47.50 GBP

Regular price Sale price £47.50 GBP
Unit price per
Gazzurple Feminised Seeds – Humboldt Seed Co.

Gazzurple Feminised Seeds – Humboldt Seed Co.

Regular price £50.35 GBP

Regular price Sale price £50.35 GBP
Unit price per
Garlic Budder Feminised Seeds – Humboldt Seed Co.

Garlic Budder Feminised Seeds – Humboldt Seed Co.

Regular price £33.25 GBP

Regular price Sale price £33.25 GBP
Unit price per
Guzzlerz Feminised Seeds – Humboldt Seed Co.

Guzzlerz Feminised Seeds – Humboldt Seed Co.

Regular price £50.35 GBP

Regular price Sale price £50.35 GBP
Unit price per
Granny Candy Feminised Seeds – Humboldt Seed Co.

Granny Candy Feminised Seeds – Humboldt Seed Co.

Regular price £50.35 GBP

Regular price Sale price £50.35 GBP
Unit price per
Jelly Donutz Auto Feminised Seeds – Humboldt Seed Co.

Jelly Donutz Auto Feminised Seeds – Humboldt Seed Co.

Regular price £50.35 GBP

Regular price Sale price £50.35 GBP
Unit price per
Mint Jelly Auto Feminised Seeds – Humboldt Seed Co.

Mint Jelly Auto Feminised Seeds – Humboldt Seed Co.

Regular price £33.25 GBP

Regular price Sale price £33.25 GBP
Unit price per
Mango Sherbert Feminised Seeds – Humboldt Seed Co.

Mango Sherbert Feminised Seeds – Humboldt Seed Co.

Regular price £33.25 GBP

Regular price Sale price £33.25 GBP
Unit price per
Notorious THC Feminised Seeds – Humboldt Seed Co.

Notorious THC Feminised Seeds – Humboldt Seed Co.

Regular price £33.25 GBP

Regular price Sale price £33.25 GBP
Unit price per