Frost dates by location
| Location | Zone | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|---|
| Duluth | 5a | May 14 | Oct 12 | 151 |
| Minneapolis-St. Paul | 5a | Apr 23 | Oct 18 | 178 |
| Minneapolis | 5a | Apr 27 | Oct 12 | 168 |
| Saint Paul | 5a | Apr 27 | Oct 12 | 168 |
| Rochester | 4b | May 2 | Oct 7 | 158 |
| Bloomington | 5a | Apr 27 | Oct 12 | 168 |
Zones in Minnesota
Bottom line: a statewide planting date is a compromise nobody's garden actually
lives at. Minnesota's last-frost spread is
21 days wide. Use the location nearest you.
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