cannabis business Michigan's recreational cannabis industry is still growing By Steve Carmody • Feb 5, 2020 steve carmody / Michigan Radio Michigan’s recreational marijuana industry continues to grow, two months after retail sales became legal. Michigan voters approved recreational marijuana use in 2018. But retail sales were on hold for more than a year. Michigan Attorney General joins coalition pressing for change to marijuana banking law By Steve Carmody • May 8, 2019 steve carmody / Michigan Radio Michigan’s attorney general is getting behind a push to change federal law to allow banks to do business with marijuana companies. Even in states like Michigan, where marijuana is legal, marijuana remains a "cash" business.