Welcome to the Alchimia Growshop Blog

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.

Triploid vs F1 Marijuana Seeds: Which Should You Choose?

F1 hybrids or triploids? Two genetic revolutions are transforming cannabis cultivation. F1s, based on the same hybrid vigor that has been thriving in agriculture for decades, offer unmatched uniformity and speed. Triploids, carrying three sets of chromosomes, promise total sterility, greater potency, and seed-free harvests. We break down how they differ and which one best suits your grow.

Spannabis Bilbao 2026 and Cdays

Spannabis 2026 moves to Bilbao. Discover everything about the 23rd edition of Europe's biggest cannabis fair: dates, tickets, conferences, Champions Cup and the CDays.

Dronabinol: Understanding Synthetic THC and Its Use in Europe

THC in capsules and by prescription? Dronabinol is exactly that: the cannabis molecule isolated and dosed with pharmaceutical precision. Approved for chemotherapy-induced nausea and HIV/AIDS-related anorexia, its availability across Europe is a patchwork: Germany leads the way, Spain is taking its first steps, and France is barely opening the door.

Apical pruning in cannabis: a complete guide to multiplying your harvest

Apical pruning is one of the most effective techniques for improving the structure of your cannabis plants and increasing final yields. It involves cutting the terminal shoot to break apical dominance and stimulate the growth of several lateral branches. In this complete guide, we explain when and how to do it step by step, its advantages, drawbacks, differences between indoor and outdoor growing, and the most common mistakes you should avoid.

Cannabinoids and Temperature: Basic Guide

Heat doesn't just affect how you consume cannabis, but also what effects you experience. In this guide, we explain the basics in a simple way, without unnecessary technical jargon.

Growing cannabis without fertilizers: The KNF method

Korean Natural Farming (KNF) is a cultivation method developed in South Korea that allows nature to do its work with minimal intervention. Instead of fertilizers, it activates the soil's biological processes through indigenous microorganisms and natural ferments.