To assist Michigan gardeners, Plantmaps has derived zones indicating the average number of days each year that an area experiences temperatures over 86 degrees F. These zones are derived from the historical climate data from the National Weather Service.
Plantmaps Heat Zone 1< 1 days > 86°F | Plantmaps Heat Zone 21 - 7 days > 86°F | Plantmaps Heat Zone 38 - 14 days > 86°F |
Alpena - Heat Zone 1
Ann Arbor - Heat Zone 1
Clinton Township - Heat Zone 1
Dearborn - Heat Zone 1
Detroit - Heat Zone 1
Flint - Heat Zone 1
Grand Rapids - Heat Zone 1
Kalamazoo - Heat Zone 1
Lansing - Heat Zone 1
Livonia - Heat Zone 1
Marquette - Heat Zone 1
Sault Ste Marie - Heat Zone 1
Southfield - Heat Zone 1
Sterling Heights - Heat Zone 1
Warren - Heat Zone 1
Westland - Heat Zone 1