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Green House Seed Co.
World-renowned Dutch seed company, creators of multiple Cannabis Cup and pioneers in global cannabis genetics.
Breeder Description
History & Ethos
- Founded in 1985 by Arjan Roskam, Green House Seed Co. Grew from a single coffeeshop into one of the most decorated seed banks in history.
- Ethos: to research, collect, and preserve the finest cannabis genetics on Earth.
- Green House Seed Co.’s breeding projects are guided by decades of global exploration – particularly through the Strain Hunters expeditions.
- Deep Commitment to genetic preservation, quality breeding, and cultural education through films, documentaries, and advocacy.
- Green House Seed Co. is one of the few companies to merge heritage landraces with modern breeding science.
Cultivation & Breeding Techniques
- Green House Seed Co. breeds with both classic and landrace genetics, maintaining rare heritage lines from Colombia, India, and Malawi.
- Specializes in high-yielding, terpene-rich hybrids for both indoor and outdoor growers.
- Offers a full range of feminized, autoflower, and CBD-rich seeds.
- Rigorous in-house testing ensures each strain performs consistently before release.
- Cutting-edge hybridization meets traditional selection: phenotype hunting, clone preservation, and cannabinoid profiling are standard.
Standout Strains & Awards
To list Green House Seed Co’s award-winners would take all day, but here are just a few of the highlights:
- Super Lemon Haze – multiple High Times Cannabis Cup winner; zesty, euphoric sativa perfection.
- White Widow – one of the most famous strains in history; balanced hybrid with heavy resin and legendary potency.
- Himalaya Gold – classic outdoor variety known for massive yields and mellow effects.
- Great White Shark, Super Silver Haze, and King’s Kush – all Green House Seed Co. Strains which hold multiple international awards.
- Green House Seed Co. has amassed over 40 High Times Cannabis Cup titles, more than any other seed bank in the world.
What Sets Them Apart
- Green House Seed Co. Is the most awarded seed company in history, with a long-established global reputation for excellence.
- Cultural icons: their Strain Hunters series brought cannabis genetics into mainstream consciousness.
- True global genetics: sourced from decades of travel and preservation of rare landraces.
- Dedication to innovation: blending heritage and science to push the boundaries of modern cannabis breeding.
- Advocacy and education: Green House Seed Co’s influence extends beyond seeds, shaping laws, awareness, and cannabis culture worldwide.
Buy cannabis seeds from Greenhouse Seed Co. Today and experience the award-winning genetics that helped shape the global cannabis movement.
Meet Green House Seed Co: Home of the World’s Most Awarded Cannabis Strains
Signature Strains
Meet The Founders
Green House Seed Co. was founded by legendary Dutch entrepreneur Arjan Roskam, known internationally as the “King of Cannabis,” alongside legendary breeders including Franco Loja. Since opening the first Green House Coffeeshop in Amsterdam in 1985, Arjan and his team have shaped global cannabis culture. The collaboration with Franco produced countless award-winning strains and unforgettable documentaries under the Strain Hunters banner, which took them across Africa, Asia, and South America in search of rare landrace genetics.
Their legacy continues today under the Strain Hunters Foundation, which promotes sustainable cannabis cultivation and education around the world.
Hero Strains: Super Lemon Haze
Few strains have achieved legendary status like Super Lemon Haze, Green House Seed Co’s multi-award-winning sativa. A cross between Lemon Skunk and Super Silver Haze, it’s celebrated for its zesty citrus aroma, electrifying energy, and crystal-coated buds. As breeders go, Green House Seed Co is cannabis royalty, and the same accolade is afforded to Super Lemon Haze as a cannabis strain. Winner of multiple High Time Cannabis Cups (including stunning back-to-back victories in 2008 and 2009), Super Lemon Haze is a modern classic that entirely captures the essence of Green House’s breeding mastery – potency, flavor, and yield in perfect harmony.
Buy Green House Seed Company Seeds
The Green House Seed Company is one of the most successful cannabis companies globally.
Winner of countless international awards, including 35 High Times Cannabis Cups, Greenhouse Seed Co. are the global leader in cannabis genetics.
Green House Seed Company’s incredible genetics results from years of intensive breeding. All strains have exceptional medicinal as well as recreational properties. They also hold particular terpene profiles guaranteeing unique aromas and flavours.
The Green House was established in 1985 in Amsterdam, The Netherlands. Since then, the company has expanded into various markets, and in 2008 the GH brand was launched.
The Greenhouse Seed brand is now a global franchise and has made a name in Apparel, Research, Grow Equipment, and Feed, and their prestigious strain collection.
One of the bestselling breeders on the Seedsman website, Green House provides a phenomenal collection of fem and autoflowering seeds, including their White WidowCBD Auto, which combines potency with medicinal properties, and their Super Lemon Haze Auto, one of the best-reviewed strains by our customers.
Another venture that Green House is heavily involved in is train Hunters. From the jungles of Africa and Asia to the mountain ranges of South America, the Strain Hunters are on a mission to bring back the most important and isolated cannabis landraces known to man. The logistical challenges involved in strain-hunting are pretty considerable.
Still, Arjan, owner and founder of the Green House empire, has been devoting a great deal of passion, time, and resources to this task. After two decades spent strain hunting for the breeding programs of the Green House Seed Company, Arjan brings a wealth of experience to this venture. Strain Hunters Seeds are also available at Seedsman.
Green House Seed Company has gained worldwide notoriety in the past 30 years. They have many celebrity advocates and a wealth of satisfied customers. You can now buy strains from the Green House Seed Co. directly from Seedsman.
Buy Greenhouse Seed Co Cannabis Seeds from Seedsman
Seedsman is proud to offer select genetics from Greenhouse Seed Co.
The name Greenhouse Seed Co is known worldwide and for decades has been synonymous with cannabis excellence. When it comes to ground-breaking, household-name, Cannabis Cup-winning genetics, few breeders could claim the type of resume Greenhouse Seed Co has built over the years. From Super Lemon Haze to Arjan’s Haze and Master Kush, Greenhouse Seed Co’s products need no introduction – they've spoken for themselves since the 1990s. Greenhouse Seed Co are one of our best-selling breeders.
About Greenhouse Seed Co
Greenhouse Seed Co. is a world-renowned cannabis seed bank, famed for its exceptional genetics and contributions to the cannabis industry. Founded in the early 1990s, the company has played a pivotal role in the development of high-quality cannabis strains and has become a well-respected name among enthusiasts and cultivators. The Greenhouse Seed brand is now a global franchise and has made a name in Apparel, Research, Grow Equipment, Feed, and their prestigious strain collection.
Greenhouse Seed Co. was established by Arjan Roskam, a Dutch entrepreneur with a passion for cannabis breeding. The company's headquarters are situated in Amsterdam, Netherlands, a city known for its progressive approach to cannabis-related activities. Over the years, Greenhouse Seed Co. quickly gained worldwide recognition for its commitment to excellence in seed genetics and its numerous accolades in various cannabis competitions.
Greenhouse Seed Co’s Mission
One of the key features that set Greenhouse Seed Co. apart is its dedication to breeding and preserving exceptional cannabis genetics. The company has a vast collection of strains, ranging from classic and landrace varieties to innovative and hybrid creations. Greenhouse Seed Co. has been instrumental in developing strains with unique flavors, aromas, and effects, catering to a diverse range of consumer preferences.
The Greenhouse Seeds Co Product Range
Greenhouse Seed Co. is perhaps best known for its groundbreaking achievements in the realm of strain development. The company has produced several award-winning varieties, with some of its most celebrated strains including Super Lemon Haze, Arjan's Haze, and White Widow. These strains have not only earned critical acclaim but have also become popular choices among cannabis enthusiasts worldwide, each one a household name, each one having stood the test of time and remaining immensely popular today.
In addition to their commitment to genetic excellence, Greenhouse Seed Co. has been actively involved in cannabis research and education. The company has been at the forefront of initiatives aimed at promoting the medicinal benefits of cannabis and advocating for its responsible use. This commitment to education has contributed to the wider acceptance and understanding of cannabis as a therapeutic plant.
Greenhouse Seed Co. has also made significant contributions to the sustainability of the cannabis industry. The company emphasizes environmentally friendly cultivation practices and supports initiatives promoting organic and sustainable farming methods.
Beyond its commercial success, Greenhouse Seed Co. has actively contributed to cannabis research, education, and sustainability, consolidating its place as a leading company in the cannabis industry.
If you’re interested in wholesale cannabis seeds by Greenhouse Seeds, please visit this link.
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