Michigan Cannabis Sales Slow Image Cannabis News July 16, 2024 Michigan Cannabis Sales Reach $278.8 Million in June 2024, Showing Slowest Annual Growth in Over Two Years. Michigan cannabis sales for June fell sequentially decreased 0.3% from April. At $278.8 million, sales, which were up from May on a per-day basis, were up 6.9% from a year earlier, the slowest Marijuana Business News New Cannabis Ventures