Plant Hardiness Zones. Plant hardiness zones help gardeners understand which plants will most likely survive at a location. It is important that your plants can thrive year-round, surviving extreme temperatures. Note: Zone maps do have shortfalls; if the information is inaccurate, you may live in a microclimate.
In normal years, colors peak in the first week of October on the U.P., the second week of October in northern Lower Michigan and the last two weeks of October in southern Lower Michigan. When the colors do peak, here are some of the best bets for fall foliage viewing from Pure Michigan:
Upper Peninsula of Michigan Suggested Fall Color Tours. Color is usually best the last two weeks of September and the first week or two of October. All of the Upper Peninsula is stunning during the fall color season. Any road winding through the U.P. will show you trees ranging from a subtle yellow to brilliant red.