Michigan State Horticultural Address: 63806 90th Ave, Hartford, MI 49057 Phone: (269) 424-3990 Coffee Shops Other Businesses: Corner Cafe at 65944 County Road 342, Hartford, MI 49057 Olds & Mac Kinder at 11 W Main St, Hartford, MI 49057 Panel Room at 61116 County Road 687, Hartford, MI 49057