The varieties with the highest levels of THC, the principal psychoactive constituent of the cannabis plant.
THC is the acronym for TetraHydroCannabinol. It is the main cannabinoid responsible for the effects produced by cannabis plants. It is secreted by the resin glands, the trichomes. Its concentration level has a direct impact on the psychoactive properties of the flowers and resin.
THC therapeutic use
This cannabis active ingredient, besides its psychotropic effects, also has therapeutic properties. Its beneficial action on various symptoms has led to this plant and its derivatives being officially used in therapeutic treatments in many countries, such as the United States and Canada.
Cannabis is used by many patients for its positive effects in the treatment of diseases and different symptoms such as:
- Tourette's syndrome (spasm reduction)
- Relieve nausea and vomiting
- Stimulate the appetite
- Pain relief (especially chronic and neuropathic pain)
At Alchimia we offer a selection of regular and feminised varieties with a THC level of more than 25%. These are varieties considered extremely powerful. Average THC levels in modern varieties vary between 15 and 20%, and they are already considered to be THC-rich.
High THC level, maximum power
THC acts in synergy with other cannabinoids such as CBD or THCV and with the terpenes. THC is not solely responsible for the cannabis effects, but its high concentration is still a good indicator of a variety's potency.
Here you can find the richest varieties in THC from our catalogue. For example Gorilla Glue with a THC level of up to 30%, Y Griega with a level of 27%, or Blisful Wizzard hybrids with a THC level of up to 34%.
We hope you enjoy them!
There are 595 products tagged as High THC
Alchimia is glad to present Biscotti, a cannabis plant created by Cookie Fam seed bank. It is a variety that has quickly gained a great reputation within the Californian cannabis scene, born at the hands of the same breeders who once created the famo [...]
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10 seeds (Out of stock)382.00€
Alchimiaweb presents a new limited edition hybrid in the form of regular seeds: Thai A5 Haze from ACE Seeds, bringing together Nevil's legendary A5 Haze clone and Thai landrace genetics from Chiang Mai in a 90% sativa hybrid with complex and exotic f [...]
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10 seeds (Out of stock)100.00€
New at Alchimiaweb: Limited Edition feminised seeds of Thai A5 Haze from ACE Seeds, combining Thai landrace genetics from Chiang Mai with Nevil's legendary A5 Haze in a 90% sativa hybrid with complex, exotic flavour profiles and a clean and energetic [...]
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5 seeds (Out of stock)80.00€
Alchimia is happy to present Triton Biscotto Lime by Seed Stockers, the encounter between two very interesting strains such as Oreoz Mintz by 3rd Coast Genetics and Lemon Tree. The result is an easy to grow Sativa plant. It offers a complex flavour w [...]
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3 seeds
23.98€ 20.35€
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5 seeds
35.97€ 30.55€
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25 seeds
143.88€ 122.25€
Alchimia is delighted to present Mandarin Panties by Humboldt, a Limited Edition strain, within their Humboldt line, that is currently only available in our feminised cannabis seeds catalogue. You certainly should not miss this opportunity.
Mandarin [...]
Alchimia Grow Shop is happy to present Mack And Crack by Seed Stockers and Humboldt, the encounter between two of the most powerful cannabis strains on the market, reaching a THC level of up to 30% in ideal conditions and an above average flower and [...]
Alchimia is glad to present Sour Patch Punch by Elev8 Seeds, now available in our feminised seeds catalogue.
Sour Patch Punch, sweet and sour cannabis with gas and grape undertones
Sour Patch Punch (Purple Punch x Sour Patch Kiss) was a must. It is a [...]
Here we present regular seeds of M2, a 100% Sativa variety from Elev8 Seeds, now available online in the Alchimiaweb catalogue.
M2, a 100% Sativa cannabis strain
M2 is a hybrid whose effects resemble those of strains from the 60s and 70s, offering [...]
Alchimia is glad to present Thunder Banana by Seed Stockers, a very productive Sativa hybrid with a high THC content that provides a powerful high. Its strong terpenes are reminiscent of banana with a Skunk background. Now available in our feminised [...]
Alchimia Grow Shop presents Do-Si-Dos x Girl Scout Cookies by Philosopher Seeds, a very successful feminised strain of intense flavour. It is now available in a limited edition!
Do-Si-Dos x Girl Scout Cookies "Thin Mint, genetics and cultivation
Th [...]
Alchimia is pleased to present Panty Punch, a strain by Seed Stockers. It is a genetics with very fruity flavours, a cross between Pink Panties and Purple Punch, offering a huge amount of resin and a THC level of 30%. A variety now available in our f [...]
Alchimia is happy to present Apollo F1 Auto by Royal Queen Seeds, an auto-flowering hybrid developed from inbred lines descended from Lemon, Black Domina and Sugar Magnolia, inheriting the best traits from all of them. A strain now available in our a [...]
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1 seed 26.00€
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3 seeds 62.00€
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Apollo F1 Auto94.00€
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10 seeds 170.00€
Alchimiaweb is happy to present Milky Way F1 Auto by Royal Queen Seeds, an outstanding strain characterised by its potent and captivating aroma. It is the encounter between three genetic lines that share Blue Mammoth, Blue Dream and Sin Tra Bajo Auto [...]
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1 seed26.00€
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3 seeds
62.00€ 55.80€
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5 seeds94.00€
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10 seeds170.00€
Alchimia is proud to present Big Apple Cookies, an exclusive strain only available on our website. It is the result of the exclusive collaboration between Alchimia and Mamiko Seeds, one of the most renowned seedbanks in the US, and creator of the fam [...]
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3 seeds (Out of stock)
21.00€ 17.85€
Alchimia is proud to present Chemdelice, an incredible strain with its seeds only available on our website. It is the result of the collaboration between Alchimia and Mamiko Seeds, one of the most renowned seedbanks in the US, and creator of the famo [...]
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3 seeds (Out of stock)
21.00€ 17.85€
Alchimia presents White Gorilla by BSF Seeds, a marijuana plant developed from two legendary genetics: Gorilla Glue #4, known for its exceptional power and flavour, and White Widow, praised for its excellent resin production. This strain is easy to c [...]
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2 Seeds
20.00€ 16.00€
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4 Seeds
34.00€ 27.20€
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7 Seeds
54.00€ 43.20€
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12 Seeds
78.00€ 62.40€