Arjan Roskam

Arjan Roskam (born April 4, 1970) is a cannabis entrepreneur, the founder of Green House coffeeshops and co-founder of Green House Seed Company. Roskam is known being part of the team that bred the Super Lemon Haze cannabis strain by crossing Lemon Skunk with Super Silver Haze. Roskam is also known as the (self-appointed) "King of Cannabis".

Arjan's Haze #1 won the Cannabis Cup in 2006. Super Lemon Haze from the firm won the Cannabis Cup in 2008 and 2009. Arjan has been accused of paying off judges in prior cannabis cups.

In media Strain Hunters In 2008, Roskam started a series of documentaries called Strain Hunters, in which he portrays to seek out rare or vulnerable landraces from around the world.

Roskam fell under public scrutiny since his claims of being involved in working and selecting world-famous Cannabis varieties known as "White Widow" and "Super Silver Haze", as well as his attempts to register trademark patents for popular Cannabis seed varieties. Roskam's claims largely contradict Scott Blakey's life story and work, who is widely believed to be the originator of world renowned varieties such as "White Widow", "Super Silver Haze" and many others.