Frost Dates & Planting Calendars in Minnesota
Typical last spring frost, first fall frost, and growing-season length for 104 cities in Minnesota, 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 |
|---|---|---|---|---|
| Minneapolis | April 23 | October 16 | 175 days | 4b |
| Saint Paul | April 24 | October 16 | 174 days | 5a |
| Rochester | April 30 | October 6 | 159 days | 4b |
| Bloomington | April 23 | October 18 | 176 days | 5a |
| Duluth | May 14 | October 12 | 149 days | 5a |
| Brooklyn Park | April 30 | October 8 | 159 days | 5a |
| Plymouth | April 29 | October 12 | 163 days | 5a |
| Maple Grove | April 30 | October 8 | 159 days | 5a |
| Woodbury | April 26 | October 12 | 166 days | 5a |
| Eagan | April 23 | October 18 | 176 days | 5a |
| Saint Cloud | May 7 | September 30 | 144 days | 4b |
| Eden Prairie | April 23 | October 14 | 172 days | 5a |
| West Coon Rapids | April 30 | October 8 | 159 days | 5a |
| Coon Rapids | April 30 | October 8 | 159 days | 5a |
| Blaine | May 5 | October 2 | 148 days | 5a |
| Burnsville | April 23 | October 18 | 176 days | 5a |
| Lakeville | April 27 | October 10 | 166 days | 4b |
| Minnetonka | April 30 | October 9 | 160 days | 5a |
| Apple Valley | April 27 | October 10 | 166 days | 5a |
| Edina | April 23 | October 18 | 176 days | 5a |
| Minnetonka Mills | April 29 | October 12 | 163 days | 5a |
| Saint Louis Park | April 29 | October 12 | 163 days | 5a |
| Moorhead | May 5 | October 3 | 150 days | 4a |
| Mankato | April 30 | October 9 | 161 days | 5a |
| Maplewood | April 26 | October 12 | 166 days | 5a |
| Shakopee | April 23 | October 14 | 172 days | 5a |
| Richfield | April 23 | October 18 | 176 days | 5a |
| Cottage Grove | April 23 | October 19 | 177 days | 5a |
| Roseville | April 28 | October 8 | 162 days | 5a |
| Inver Grove Heights | April 24 | October 16 | 174 days | 5a |
| Andover | May 5 | October 2 | 148 days | 4b |
| Brooklyn Center | April 30 | October 8 | 159 days | 5a |
| Savage | April 23 | October 14 | 172 days | 5a |
| Longfellow Community | April 23 | October 16 | 175 days | 5a |
| Oakdale | April 26 | October 12 | 166 days | 5a |
| Fridley | April 30 | October 8 | 159 days | 5a |
| Winona | April 21 | October 19 | 180 days | 5a |
| Shoreview | April 23 | October 20 | 177 days | 5a |
| Ramsey | May 4 | October 5 | 154 days | 4b |
| Owatonna | May 5 | October 6 | 154 days | 4b |
| Chanhassen | April 30 | October 9 | 160 days | 5a |
| Prior Lake | April 23 | October 14 | 172 days | 4b |
| White Bear Lake | April 23 | October 20 | 177 days | 5a |
| Chaska | May 5 | October 5 | 151 days | 4b |
| Austin | April 30 | October 5 | 158 days | 4b |
| Elk River | May 4 | October 5 | 154 days | 4b |
| Champlin | May 5 | October 2 | 148 days | 5a |
| Faribault | May 5 | October 5 | 152 days | 4b |
| Rosemount | May 2 | October 5 | 155 days | 5a |
| Crystal | April 29 | October 12 | 163 days | 5a |
| Farmington | April 27 | October 10 | 166 days | 5a |
| Hastings | April 23 | October 19 | 177 days | 5a |
| New Brighton | April 28 | October 8 | 162 days | 5a |
| Golden Valley | April 29 | October 12 | 163 days | 5a |
| Lino Lakes | April 23 | October 20 | 177 days | 5a |
| New Hope | April 29 | October 12 | 163 days | 5a |
| Northfield | May 5 | October 5 | 152 days | 4b |
| South Saint Paul | April 24 | October 16 | 174 days | 5a |
| Columbia Heights | April 23 | October 16 | 175 days | 5a |
| Willmar | April 30 | October 7 | 159 days | 4b |
| Forest Lake | May 3 | October 5 | 154 days | 4b |
| West Saint Paul | April 24 | October 16 | 174 days | 5a |
| Stillwater | April 22 | October 19 | 178 days | 4b |
| Albert Lea | April 27 | October 9 | 164 days | 5a |
| Hopkins | April 23 | October 14 | 172 days | 5a |
| Anoka | May 5 | October 2 | 148 days | 5a |
| Sartell | May 7 | September 30 | 144 days | 4b |
| Red Wing | April 23 | October 14 | 173 days | 4b |
| Saint Michael | May 4 | October 5 | 154 days | 4b |
| Hibbing | June 5 | September 8 | 93 days | 3b |
| Ham Lake | May 5 | October 2 | 148 days | 4b |
| Buffalo | April 30 | October 9 | 163 days | 4b |
| Otsego | May 4 | October 5 | 154 days | 4b |
| Bemidji | May 17 | September 26 | 131 days | 3b |
| Robbinsdale | April 30 | October 8 | 159 days | 5a |
| Hugo | April 23 | October 20 | 177 days | 4b |
| Hutchinson | April 28 | October 8 | 163 days | 4b |
| Marshall | May 5 | October 3 | 150 days | 5a |
| North Mankato | April 30 | October 9 | 161 days | 5a |
| Sauk Rapids | May 7 | September 30 | 144 days | 4b |
| Brainerd | May 8 | September 29 | 141 days | 4a |
| New Ulm | April 29 | October 7 | 161 days | 5a |
| Monticello | April 30 | October 9 | 163 days | 4b |
| Fergus Falls | May 4 | October 5 | 152 days | 4a |
| Vadnais Heights | April 23 | October 20 | 177 days | 5a |
| Worthington | May 3 | October 4 | 153 days | 5a |
| Mounds View | April 23 | October 20 | 177 days | 5a |
| Rogers | May 4 | October 5 | 154 days | 4b |
| Cloquet | May 26 | September 23 | 118 days | 4a |
| Waconia | May 5 | October 5 | 151 days | 4b |
| Alexandria | May 2 | October 8 | 159 days | 4b |
| East Bethel | May 1 | October 7 | 158 days | 4b |
| North Saint Paul | April 26 | October 12 | 166 days | 5a |
| Mendota Heights | April 25 | October 12 | 169 days | 5a |
| Saint Peter | May 2 | October 4 | 153 days | 4b |
| Grand Rapids | May 17 | September 24 | 130 days | 4a |
| Big Lake | May 4 | October 5 | 154 days | 4b |
| Little Canada | April 23 | October 20 | 177 days | 4b |
| Fairmont | April 25 | October 14 | 171 days | 5a |
| North Branch | May 19 | September 25 | 128 days | 4b |
| Arden Hills | April 23 | October 20 | 177 days | 5a |
| Hermantown | May 18 | October 1 | 135 days | 4b |
| Mound | April 30 | October 9 | 160 days | 4b |
| Waseca | May 2 | October 4 | 155 days | 4b |