When to plant orach in Minnesota
Minnesota spans USDA zones 3b–5a, so the right time to plant orach 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 7 |
| St. Paul | 5a | April 24 | October 16 | April 10 – May 8 |
| Rochester | 4b | April 30 | October 6 | April 16 – May 14 |
| Bloomington | 5a | April 23 | October 18 | April 9 – May 7 |
| Duluth | 4b | May 14 | October 12 | April 30 – May 28 |
| Brooklyn Park | 5a | April 30 | October 8 | April 16 – May 14 |
| Plymouth | 5a | April 29 | October 12 | April 15 – May 13 |
| Woodbury | 5a | April 26 | October 12 | April 12 – May 10 |
Orach in Minnesota: FAQ
When can I plant orach in Minnesota?
Across Minnesota, the time to direct-sow orach spans roughly April 7 in Winona to May 22 in Hibbing, each following that city's local frost dates.
Does the orach planting date vary across Minnesota?
Yes. Minnesota publishes 102 cities with their own frost dates, so the right orach 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 orach take to grow in Minnesota?
Orach takes about 40–60 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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