Frost dates in Polk County, Minnesota
The average last spring frost in Polk County falls May 2 to May 15 and the average first fall frost Sep 26 to Oct 9, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 3b to 4a. Places: Beltrami, Climax, Crookston, East Grand Forks, Erskine, Fertile. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.
| ZIP | Place | Last spring frost | First fall frost | Zone |
|---|---|---|---|---|
| 56517 | Beltrami | May 11 | Sep 27 | 4a |
| 56523 | Climax | May 11 | Sep 27 | 4a |
| 56535 | Erskine | May 15 | Sep 26 | 3b |
| 56540 | Fertile | May 11 | Sep 27 | 4a |
| 56542 | Fosston | May 15 | Sep 26 | 3b |
| 56556 | McIntosh | May 15 | Sep 26 | 3b |
| 56568 | Nielsville | May 2 | Oct 9 | 4a |
| 56592 | Winger | May 15 | Sep 26 | 3b |
| 56646 | Gully | May 15 | Sep 26 | 3b |
| 56684 | Trail | May 15 | Sep 26 | 3b |
| 56716 | Crookston | May 11 | Sep 27 | 4a |
| 56721 | East Grand Forks | May 10 | Oct 1 | 4a |
| 56722 | May 11 | Sep 27 | 4a | |
| 56723 | Fisher | May 11 | Sep 27 | 4a |
| 56736 | Mentor | May 9 | Sep 30 | 4a |
| 56762 | Warren | May 5 | Oct 2 | 4a |
Nearby counties
Red Lake County Pennington County Norman County Mahnomen County Marshall County Clearwater County
All Minnesota counties · Download Minnesota frost dates (CSV)
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