Welcome to the Alchimia Growshop Blog

Preventing Fungi and Pests in Outdoor Cannabis Cultivation

Discover how to prevent pests and fungi in outdoor cannabis growing. Learn why prevention is more effective than curative treatments, identify the main threats (aphids, spider mites, caterpillars, powdery mildew and botrytis) and explore cultural practices, beneficial microorganisms and preventive products such as neem oil, potassium soap and Bacillus thuringiensis to achieve a healthy harvest.

When to germinate cannabis seeds: May or June?

Do you think June is already too late to start your outdoor cannabis crop? Discover why germinating in summer is not only viable, but one of the best strategies of the year. Learn how sativas, vigorous hybrids and modern autoflowering varieties make the most of the heat, light and explosive growth of summer to achieve balanced, healthy and high-quality harvests.

Cannabis in the 2010s, from persecuted to revered

The 2010s changed everything for cannabis. Colorado and Washington legalised recreational use, CBD won over millions of people, and new genetics like Girl Scout Cookies and Gorilla Glue revolutionised cultivation. Modern extractions, dabbing and social media connected a global culture like never before. We look back at the decade that transformed marijuana forever.

American seed bank Solfire Genetics, a commitment to pheno hunting

Solfire Gardens is the seed bank from the Pacific Northwest that has won over growers worldwide with a clear philosophy: less quantity, more quality. Their obsession with phenotype selection and their complex, evolving terpene profiles make them a unique choice for those seeking genetics with real personality. Are you ready to discover them?

Exclusive seeds from Alchimia's 25th anniversary you can't miss

Discover the 7 exclusive seeds from Alchimia's 25th anniversary: limited editions from Philosopher Seeds, Sensi Seeds, Barney's Farm, BSF Seeds and Sweet Seeds. From Old School classics like Super Silver Haze, White Widow and Super Skunk to exciting new releases like Citrus Kiss, Tangie Jungle Juice, GrandDaddy Purple and Sweet Zuchi F1 Fast Version. Unique genetics you'll only find at Alchimia.

Discover Relentless Genetics, an American seed bank obsessed with quality

Relentless Genetics represents an approach to breeding that moves away from fast-paced production and embraces a long-term process built on observation, selection, and the constant pursuit of excellence. Their journey, from clandestine grows in the southern United States to their consolidation in Colorado, reflects a natural evolution within the modern cannabis world, where genetics has shifted from being a limited resource to a highly specialised field of development.

Outdoor marijuana growing for maximum yield

In this post we show you a simple way to grow outdoors so you can harvest large plants with the best quality marijuana and keep your stash full of buds all year round.

Cipher Genetics, the new American gem

Discover Cipher Genetics, the boutique seedbank from Chris Lynch (Compound Genetics) that is revolutionising the cannabis scene with cutting-edge Cali genetics. Explosive terpene profiles, massive trichome production and rigorous, passionate breeding define each of their varieties. Now available in the Alchimia catalogue: explore their most sought-after strains and get hold of them before they sell out.

James Loud Genetics and the revolution of modern breeding

We introduce you to James Loud Genetics, the American breeder who combines 25 years of experience, advanced tissue culture and independent analyses to offer you clean, stable American seeds with character. Discover the story, the philosophy and the rigorous laboratory work behind one of the most interesting projects on the current scene.

Psychoactive honey from the Himalayas

Discover psychoactive honey from the Himalayas, a unique product made by Nepal's giant bees from the nectar of rhododendrons rich in grayanotoxins. We tell you about its origin, how brave hunters harvest it on cliff faces, its effects on the body and its cultural value. A fascinating story!

Celebrating 25 Years of Alchimia

Alchimia celebrates 25 years as a benchmark in the grow shop sector. From its first 40 m² shop in Figueres back in 2001 to its current facilities in Vilamalla, the company has grown to offer nearly 10,000 products and over 2,000 cannabis varieties. To mark this anniversary, April brings exclusive editions in collaboration with seed banks such as Barney's Farm, Royal Queen Seeds and Sweet Seeds, along with special merchandising and competitions.

Spice of Life Seeds, the return of a legendary seed bank

Spice of Life Seeds, a seed bank founded in the 90s by Breeder Steve, is back after years of absence. Known for iconic strains like Sweet Tooth and Shishkaberry, it stands out for its patient selection process and flavour-driven approach. It returns true to its roots with the new Adventure Mix editions, inviting growers to explore genetic diversity.

Lanmaoa Asiatica: The Strange Mushroom That Makes You See Little People

Lanmaoa Asiatica is a mushroom consumed for millennia in China that causes hallucinations of tiny beings when eaten undercooked. The most surprising part: three cultures from three different continents describe the same visions without ever having had contact with one another. Modern science confirms it contains no known psychoactive compound. The cause remains a mystery.

Set & Setting: Keys to a Positive Psychedelic Experience

Did you know that your mindset and environment have a greater influence on your psilocybin mushroom experience than the dose itself? Discover what Set & Setting means, why it matters so much, and how to prepare your mind and space for a safe, enriching, and truly transformative psychedelic journey.

What is foxtailing in cannabis? Causes, types and how to deal with it

Foxtailing is a phenomenon in which cannabis buds develop elongated, stacked calyxes, giving them a characteristic fox tail shape. Whether genetic or environmental in origin — caused by excess heat or light — it can affect yield and flower morphology. This article examines its causes, consequences and how growers can prevent it.

What is Temple Ball Hash? History, tradition and how to make it at home

Temple Ball Hash is a solventless artisanal hashish originating from the Himalayas, made from trichomes pressed into a sphere. It stands out for its purity, aromatic complexity and aging potential. Today, its traditional technique has been adapted using modern methods such as bubble hash, while preserving its historical essence.