Colorado’s Marijuana Sales Surpass $10-Billion In 2012, Colorado passed Amendment 64, making recreational marijuana legal for adults 21 years of age or older. Amendment 64 allowed adults to possess up to an ounce of marijuana, and also required the state to set up a regulatory structure for the retail marijuana industry. Since marijuana first started being sold recreationally in 2014, according to the Colorado Department […] Miles Wong | February 12, 2021 0 Comments