Michigan Cannabis Sales Lift Modestly in July Image Cannabis News August 15, 2024 Michigan Cannabis Sales Growth Slows in July Amid Declining Prices and Evolving Market Trends. Michigan cannabis sales for July rose sequentially 3.2% from June with the increase in days. At $287.7 million, sales were up 4.0% from a year earlier, the slowest annual growth in over two years: The Cannabis Technology News Marijuana Business News New Cannabis Ventures