When to plant cowpea (southern pea) in Kansas
Kansas spans USDA zones 6a–7a, 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 April 18 in Kansas City to May 12 in Garden City — below are local dates for 35 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Wichita | 7a | April 11 | October 29 | April 25 – May 9 |
| Overland Park | 6b | April 10 | October 29 | April 24 – May 8 |
| Kansas City | 6b | April 4 | November 2 | April 18 – May 2 |
| Olathe | 6b | April 10 | October 29 | April 24 – May 8 |
| Topeka | 6b | April 16 | October 22 | April 30 – May 14 |
| Lawrence | 6b | April 12 | October 28 | April 26 – May 10 |
| Shawnee | 6b | April 16 | October 22 | April 30 – May 14 |
| Lenexa | 6b | April 10 | October 29 | April 24 – May 8 |
Cowpea (Southern Pea) in Kansas: FAQ
When can I plant cowpea (southern pea) in Kansas?
Across Kansas, the time to direct-sow cowpea (southern pea) spans roughly April 18 in Kansas City to May 12 in Garden City, each following that city's local frost dates.
Does the cowpea (southern pea) planting date vary across Kansas?
Yes. Kansas publishes 35 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 Kansas?
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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