When to plant chervil in Minnesota
Minnesota spans USDA zones 3b–5a, so the right time to plant chervil shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 24 in Winona to May 8 in Hibbing — below are local dates for 102 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Minneapolis | 5a | April 23 | October 16 | March 26 – April 23 |
| St. Paul | 5a | April 24 | October 16 | March 27 – April 24 |
| Rochester | 4b | April 30 | October 6 | April 2 – April 30 |
| Bloomington | 5a | April 23 | October 18 | March 26 – April 23 |
| Duluth | 4b | May 14 | October 12 | April 16 – May 14 |
| Brooklyn Park | 5a | April 30 | October 8 | April 2 – April 30 |
| Plymouth | 5a | April 29 | October 12 | April 1 – April 29 |
| Woodbury | 5a | April 26 | October 12 | March 29 – April 26 |
Chervil in Minnesota: FAQ
When can I plant chervil in Minnesota?
Across Minnesota, the time to direct-sow chervil spans roughly March 24 in Winona to May 8 in Hibbing, each following that city's local frost dates.
Does the chervil planting date vary across Minnesota?
Yes. Minnesota publishes 102 cities with their own frost dates, so the right chervil planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does chervil take to grow in Minnesota?
Chervil takes about 55–70 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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