Frost Dates & Planting Calendars in Michigan
Typical last spring frost, first fall frost, and growing-season length for 120 cities in Michigan, based on NOAA 1991–2020 climate normals. Click a city for its full frost-date summary, monthly temperature chart, and 42-crop planting calendar.
| City | Last Spring Frost (typical) | First Fall Frost (typical) | Growing Season | USDA Zone |
|---|---|---|---|---|
| Detroit | April 21 | October 31 | 190 days | 6b |
| Grand Rapids | May 6 | October 10 | 157 days | 6a |
| Warren | April 21 | October 31 | 190 days | 6b |
| Sterling Heights | April 30 | October 24 | 174 days | 6b |
| Ann Arbor | May 5 | October 10 | 157 days | 6a |
| Lansing | May 1 | October 13 | 162 days | 6a |
| Clinton Township | April 30 | October 24 | 174 days | 6b |
| Flint | May 6 | October 10 | 155 days | 6a |
| Dearborn | April 27 | October 25 | 181 days | 6b |
| Livonia | May 1 | October 15 | 166 days | 6b |
| Canton | April 24 | October 24 | 179 days | 6a |
| Troy | April 26 | October 22 | 177 days | 6b |
| Westland | April 20 | October 27 | 188 days | 6b |
| Farmington Hills | May 1 | October 17 | 165 days | 6a |
| Kalamazoo | April 28 | October 18 | 172 days | 6a |
| Waterford | April 29 | October 20 | 172 days | 6a |
| Wyoming | May 6 | October 10 | 157 days | 6a |
| Shelby | April 26 | October 22 | 177 days | 6a |
| Rochester Hills | April 26 | October 22 | 177 days | 6a |
| Southfield | May 1 | October 17 | 165 days | 6b |
| West Bloomfield Township | April 29 | October 20 | 172 days | 6a |
| Taylor | April 20 | October 27 | 188 days | 6b |
| Pontiac | April 26 | October 22 | 177 days | 6a |
| Saint Clair Shores | April 29 | October 22 | 176 days | 6b |
| Royal Oak | April 21 | October 31 | 190 days | 6b |
| Novi | May 1 | October 17 | 165 days | 6a |
| Dearborn Heights | May 1 | October 15 | 166 days | 6b |
| Battle Creek | April 30 | October 19 | 170 days | 6a |
| Kentwood | May 6 | October 10 | 157 days | 6a |
| Redford | May 1 | October 15 | 166 days | 6b |
| Saginaw | April 29 | October 21 | 175 days | 6a |
| East Lansing | April 28 | October 17 | 173 days | 6a |
| Portage | April 28 | October 18 | 172 days | 6a |
| Roseville | April 29 | October 22 | 176 days | 6b |
| Midland | April 29 | October 16 | 167 days | 6a |
| Muskegon | April 30 | October 19 | 170 days | 6b |
| Lincoln Park | May 1 | October 15 | 166 days | 6b |
| Bay City | April 27 | October 20 | 173 days | 6a |
| Holland | April 28 | October 21 | 175 days | 6b |
| Jackson | May 1 | October 14 | 164 days | 6a |
| Eastpointe | April 21 | October 31 | 190 days | 6b |
| Madison Heights | April 21 | October 31 | 190 days | 6b |
| Oak Park | April 27 | October 25 | 181 days | 6b |
| Port Huron | April 19 | November 3 | 196 days | 6b |
| Southgate | April 20 | October 27 | 188 days | 6b |
| Burton | May 8 | October 5 | 148 days | 6a |
| Allen Park | May 1 | October 15 | 166 days | 6b |
| Garden City | May 1 | October 15 | 166 days | 6b |
| Mount Pleasant | April 30 | October 20 | 171 days | 6a |
| Forest Hills | April 29 | October 20 | 174 days | 6a |
| Wyandotte | May 1 | October 15 | 166 days | 6b |
| Saginaw Township North | April 29 | October 21 | 175 days | 6a |
| Inkster | May 1 | October 15 | 166 days | 6b |
| Walker | May 6 | October 10 | 157 days | 6a |
| Norton Shores | April 30 | October 19 | 170 days | 6b |
| Holt | April 28 | October 17 | 173 days | 6a |
| Waverly | May 1 | October 13 | 162 days | 6a |
| Romulus | April 20 | October 27 | 188 days | 6b |
| Auburn Hills | April 26 | October 22 | 177 days | 6a |
| Hamtramck | April 21 | October 31 | 190 days | 6b |
| Okemos | April 28 | October 17 | 173 days | 6a |
| Marquette | May 8 | October 21 | 164 days | 5b |
| Birmingham | April 26 | October 22 | 177 days | 6b |
| Adrian | May 1 | October 15 | 164 days | 6a |
| Ferndale | April 21 | October 31 | 190 days | 6b |
| Monroe | April 23 | October 23 | 182 days | 6b |
| Ypsilanti | May 5 | October 10 | 157 days | 6a |
| Haslett | April 28 | October 17 | 173 days | 6a |
| Trenton | April 20 | October 27 | 188 days | 6b |
| Allendale | April 30 | October 24 | 175 days | 6a |
| Wayne | April 20 | October 27 | 188 days | 6b |
| Hazel Park | April 21 | October 31 | 190 days | 6b |
| Jenison | May 6 | October 10 | 157 days | 6a |
| Mount Clemens | April 30 | October 24 | 174 days | 6b |
| Grandville | May 6 | October 10 | 157 days | 6a |
| Grosse Pointe Woods | April 29 | October 22 | 176 days | 6b |
| Berkley | May 1 | October 17 | 165 days | 6b |
| Traverse City | May 9 | October 15 | 156 days | 6a |
| Owosso | May 1 | October 15 | 164 days | 6a |
| Fraser | April 30 | October 24 | 174 days | 6b |
| Northview | May 6 | October 10 | 157 days | 6a |
| Cutlerville | April 30 | October 14 | 167 days | 6a |
| Harper Woods | April 29 | October 22 | 176 days | 6b |
| Sault Ste. Marie | May 9 | October 11 | 151 days | 4b |
| Wixom | May 6 | October 12 | 157 days | 6a |
| Rochester | April 26 | October 22 | 177 days | 6a |
| Woodhaven | April 20 | October 27 | 188 days | 6b |
| New Baltimore | April 30 | October 24 | 174 days | 6b |
| Escanaba | May 13 | October 7 | 147 days | 5a |
| Riverview | April 20 | October 27 | 188 days | 6b |
| Clawson | April 26 | October 22 | 177 days | 6b |
| South Lyon | May 5 | October 13 | 160 days | 6a |
| Fenton | May 3 | October 12 | 161 days | 6a |
| Ionia | May 3 | October 12 | 161 days | 6a |
| Grosse Ile | April 20 | October 27 | 188 days | 6b |
| Niles | April 27 | October 25 | 180 days | 6a |
| East Grand Rapids | May 6 | October 10 | 157 days | 6a |
| Grosse Pointe Park | April 29 | October 22 | 176 days | 6b |
| Grand Haven | April 30 | October 24 | 175 days | 6b |
| Highland Park | April 21 | October 31 | 190 days | 6b |
| Sturgis | April 26 | October 21 | 176 days | 6a |
| Coldwater | May 2 | October 13 | 163 days | 6a |
| Muskegon Heights | April 30 | October 19 | 170 days | 6b |
| Farmington | May 1 | October 17 | 165 days | 6a |
| Melvindale | May 1 | October 15 | 166 days | 6b |
| Big Rapids | May 13 | October 2 | 142 days | 5b |
| Cadillac | May 19 | October 1 | 135 days | 5a |
| Beverly Hills | April 26 | October 22 | 177 days | 6b |
| Beecher | May 3 | October 13 | 162 days | 6a |
| Alpena | May 5 | October 17 | 163 days | 5b |
| Comstock Park | May 6 | October 10 | 157 days | 6a |
| Benton Harbor | May 5 | October 15 | 161 days | 6b |
| Lambertville | April 29 | October 13 | 168 days | 6b |
| Flat Rock | April 27 | October 20 | 176 days | 6b |
| Marysville | April 19 | November 3 | 196 days | 6a |
| Howell | May 4 | October 7 | 156 days | 6a |
| Ecorse | May 1 | October 15 | 166 days | 6b |
| Belmont | May 6 | October 10 | 157 days | 6a |
| Grosse Pointe Farms | April 29 | October 22 | 176 days | 6b |
| Alma | May 1 | October 13 | 164 days | 6a |