Although no longer an upstart competition, the Grow-Off still brings in a much-needed breath of skunky air to Colorado a couple times each year. The marijuana growing challenge pits dozens of cultivation staffs throughout the state against each other to see who can grow the best herb, giving us a rare glimpse inside growing houses.

The competition works like this: Growing teams for dispensary and wholesale cultivations receive the same genetics, with each entrant allotted several months to cultivate the strain in hopes of getting the best potency, terpenes and yield out of their harvests. Their bounties are then shared with the Grow-Off judges and are tested in said categories.

Read more at Westword.