When to plant swiss chard in Minnesota
Minnesota spans USDA zones 3b–5a, so the right time to plant swiss chard shifts by weeks across the state. The window to sow seed directly outdoors runs from about April 7 in Winona to May 22 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 | April 9 – May 21 |
| St. Paul | 5a | April 24 | October 16 | April 10 – May 22 |
| Rochester | 4b | April 30 | October 6 | April 16 – May 28 |
| Bloomington | 5a | April 23 | October 18 | April 9 – May 21 |
| Duluth | 4b | May 14 | October 12 | April 30 – June 11 |
| Brooklyn Park | 5a | April 30 | October 8 | April 16 – May 28 |
| Plymouth | 5a | April 29 | October 12 | April 15 – May 27 |
| Woodbury | 5a | April 26 | October 12 | April 12 – May 24 |
Swiss Chard in Minnesota: FAQ
When can I plant swiss chard in Minnesota?
Across Minnesota, the time to direct-sow swiss chard spans roughly April 7 in Winona to May 22 in Hibbing, each following that city's local frost dates.
Does the swiss chard planting date vary across Minnesota?
Yes. Minnesota publishes 102 cities with their own frost dates, so the right swiss chard 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 swiss chard take to grow in Minnesota?
Swiss Chard takes about 50–60 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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