The Green House Seed Company is the most successful cannabis business in the world. Winner of many international awards (31 High times Cannabis Cups, many Highlife Cups, and many more private awards in many countries), it is leader in cannabis genetics. Arjan, owner and founder, has been acclaimed The King of Cannabis. He has always been committed to preserve the best landraces and to create the best genetics in the world, making sure that the growers choose good genetics, based upon their location, logistics and personal knowledge.Our feminized seeds are guaranteed the best in the world, and we invest large amounts of time and resources developing new and innovative products for the benefit of the whole community.Check out our unique lab-tests on cannabinoids, terpens and DNA profiles for our strains! And keep checking for the new color-coated seeds... coming soon!

Awards: 2nd prize Bio HTCC 1996. 2nd prize Champions Cup 2005.

Genetics: Afghan, Brazilian and South Indian.

Effect: very famous for its medicinal properties, strong sedative effect. Almost narcotic.
Flowering indoor: 9 weeks will guarantee rock-hard tops and extra sweet taste with a yield up to 900 gr/sqm.
Flowering outdoor: ready at the beginning of October in the Northern hemisphere and in April in the Southern one.
Massive yield: up to 1200 gr/plant.

THC: 11% CBD: 1.6% CBN: 0.5%