Mackinac Island Lilac Festival in Mackinac Island
The Mackinac Island Lilac Festival is understood to be an annual June celebration of the car-free island's historic lilac bushes, held on Mackinac Island, Michigan, a National Historic Landmark reachable only by ferry. Specific founding year and detailed current programming were not independently confirmed this session, as the festival's dedicated former website has lapsed and now redirects to general island tourism content.
Its island setting and floral identity make it essential Michigan seasonal coverage.