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You might not know who Arjan Roskam is, but you’ve probably smoked his weed. Arjan’s been breeding some of the most famous marijuana strains in the world—like White Widow, Super Silver Haze, and many others—for over 20 years.

In 1992 he opened his first coffee shop in Amsterdam and has since crafted his marijuana-breeding skills into a market-savvy empire known as Green House Seed Company, which rakes in millions of dollars a year.

He’s won 38 Cannabis Cups and has dubbed himself the King of Cannabis.

VICE joins Arjan and his crew of strain hunters in Colombia to look for three of the country’s rarest types of weed, strains that have remained genetically pure for decades. In grower’s terms, these are called landraces. We trudge up mountains and crisscross military checkpoints in the country’s still-violent south, and then head north to the breathtaking Caribbean coast. As the dominoes of criminalization fall throughout the world, Arjan is positioned to be at the forefront of the legitimate international seed trade.

“Black Mamba”
Performed by Cut Hands
Written and produced by William Bennett
Courtesy of Susan Lawly
Used with permission

“Nine-Night”
Performed by Cut Hands
Written and produced by William Bennett
Courtesy of Susan Lawly
Used with permission

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