When to plant cowpea (southern pea) in Minnesota
Minnesota spans USDA zones 3b–5a, so the right time to plant cowpea (southern pea) shifts by weeks across the state. The window to sow seed directly outdoors runs from about May 5 in Winona to June 19 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 | May 7 – May 21 |
| St. Paul | 5a | April 24 | October 16 | May 8 – May 22 |
| Rochester | 4b | April 30 | October 6 | May 14 – May 28 |
| Bloomington | 5a | April 23 | October 18 | May 7 – May 21 |
| Duluth | 4b | May 14 | October 12 | May 28 – June 11 |
| Brooklyn Park | 5a | April 30 | October 8 | May 14 – May 28 |
| Plymouth | 5a | April 29 | October 12 | May 13 – May 27 |
| Woodbury | 5a | April 26 | October 12 | May 10 – May 24 |
Cowpea (Southern Pea) in Minnesota: FAQ
When can I plant cowpea (southern pea) in Minnesota?
Across Minnesota, the time to direct-sow cowpea (southern pea) spans roughly May 5 in Winona to June 19 in Hibbing, each following that city's local frost dates.
Does the cowpea (southern pea) planting date vary across Minnesota?
Yes. Minnesota publishes 102 cities with their own frost dates, so the right cowpea (southern pea) 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 cowpea (southern pea) take to grow in Minnesota?
Cowpea (Southern Pea) takes about 60–90 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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