Frost dates · 29 cities · zones 6a–6b
Michigan frost dates, city by city
Median last spring frost across 29 Michigan cities runs from April 20 in Taylor to May 5 in Ann Arbor.
| City | Zone | Last frost median | First frost median | Season | Jan → Dec |
|---|---|---|---|---|---|
| Detroit | 6b | Apr 27 | Oct 25 | 181 d | |
| Grand Rapids | 6a | Apr 29 | Oct 20 | 174 d | |
| Warren | 6b | Apr 21 | Oct 31 | 190 d | |
| Sterling Heights | 6b | Apr 30 | Oct 24 | 174 d | |
| Ann Arbor | 6a | May 5 | Oct 10 | 157 d | |
| Lansing | 6a | May 1 | Oct 13 | 162 d | |
| Dearborn | 6b | Apr 27 | Oct 25 | 181 d | |
| Livonia | 6b | May 1 | Oct 17 | 165 d | |
| Troy | 6b | Apr 26 | Oct 22 | 177 d | |
| Farmington Hills | 6a | May 1 | Oct 17 | 165 d | |
| Westland | 6b | May 1 | Oct 15 | 166 d | |
| Flint | 6a | May 3 | Oct 13 | 162 d | |
| Wyoming | 6a | Apr 29 | Oct 20 | 174 d | |
| Rochester Hills | 6a | Apr 26 | Oct 22 | 177 d | |
| Southfield | 6b | May 1 | Oct 17 | 165 d | |
| Kalamazoo | 6a | Apr 28 | Oct 18 | 172 d | |
| Novi | 6a | May 1 | Oct 17 | 165 d | |
| Pontiac | 6a | Apr 26 | Oct 22 | 177 d | |
| Taylor | 6b | Apr 20 | Oct 27 | 188 d | |
| Dearborn Heights | 6b | May 1 | Oct 15 | 166 d | |
| Royal Oak | 6b | Apr 26 | Oct 22 | 177 d | |
| St. Clair Shores | 6b | Apr 29 | Oct 22 | 176 d | |
| Kentwood | 6a | Apr 29 | Oct 20 | 174 d | |
| Battle Creek | 6a | Apr 30 | Oct 19 | 170 d | |
| Portage | 6a | Apr 28 | Oct 18 | 172 d | |
| East Lansing | 6a | Apr 28 | Oct 17 | 173 d | |
| Roseville | 6b | Apr 29 | Oct 22 | 176 d | |
| Saginaw | 6a | Apr 29 | Oct 21 | 175 d | |
| Midland | 6a | Apr 29 | Oct 16 | 167 d |
Medians from NOAA NCEI 1991–2020 U.S. Climate Normals at each city's nearest qualifying station; zones from the 2023 USDA Plant Hardiness Zone Map. Open a city for the 1-in-10-year dates, the station, and a planting calendar for every sauce crop.
All states →Build a plan from your ZIP →Earliest: Taylor (Apr 20) · Latest: Ann Arbor (May 5)