When to plant garlic in Minnesota
Minnesota spans USDA zones 3b–5a, so the right time to plant garlic shifts by weeks across the state. The window to plant for fall/overwintering runs from about August 11 in Hibbing to September 22 in Maplewood — below are local dates for 102 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Fall-plant |
|---|---|---|---|---|
| Minneapolis | 5a | April 23 | October 16 | September 18 – October 2 |
| St. Paul | 5a | April 24 | October 16 | September 18 – October 2 |
| Rochester | 4b | April 30 | October 6 | September 8 – September 22 |
| Bloomington | 5a | April 23 | October 18 | September 20 – October 4 |
| Duluth | 4b | May 14 | October 12 | September 14 – September 28 |
| Brooklyn Park | 5a | April 30 | October 8 | September 10 – September 24 |
| Plymouth | 5a | April 29 | October 12 | September 14 – September 28 |
| Woodbury | 5a | April 26 | October 12 | September 14 – September 28 |
Garlic in Minnesota: FAQ
When can I plant garlic in Minnesota?
Across Minnesota, the time to fall-plant garlic spans roughly August 11 in Hibbing to September 22 in Maplewood, each following that city's local frost dates.
Does the garlic planting date vary across Minnesota?
Yes. Minnesota publishes 102 cities with their own frost dates, so the right garlic planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
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