Michigan is located in planting zones 4a to 6b, according to the United States Department of Agriculture (USDA) Plant Hardiness Zone Map. The southern parts of Michigan, including cities like Detroit and Ann Arbor, fall within zones 6a to 6b, while the northern regions, such as Traverse City and Marquette, are in zones 4a to 5b. These zones help gardeners determine which plants are most likely to thrive based on the area’s average annual minimum temperature, guiding them in selecting suitable vegetation for successful cultivation.
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