SummaryMichigan Greenhouse Growers Expo is happening from 04 December 2018, Tuesday to 06 December 2018, Thursday at DeVos Place Convention Center in Grand Rapids, MI. The organizer of the event is Glexpo. The event is open to trade visitors. The estimated number of attendance is 4,000. The estimated number of exhibitors is 450. The frequency of Michigan Greenhouse Growers Expo is annual. The event has been running since 2001.