Medical marijuana accounted for $ 386million of sales and recreational pot brought in $ 313million in 2014 , according to annual report . 49.7 tons of medical marijuana flowers were sold , while 4.81million units of edible marijuana were purchased 2012 . Voters in Colorado and Washington opted to legalize recreational marijuana use by adults in landmark twin ballots in last year . First retail stores opened in Colorado on January 1 , 2014 .
Medical marijuana accounted for $ 386million of sales and recreational pot brought in $ 313million in 2014 , according to annual report . 49.7 tons of medical marijuana flowers were sold , while 4.81million units of edible marijuana were purchased last year . Voters in Colorado and Washington opted to legalize recreational marijuana use by adults in landmark twin ballots in 2012 . First retail stores opened in Colorado on January 1 , 2014 .