When to plant cowpea (southern pea) in Oklahoma
Oklahoma spans USDA zones 6b–8a, 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 March 29 in Ardmore to May 2 in Guymon — below are local dates for 45 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Oklahoma City | 7b | April 4 | November 2 | April 18 – May 2 |
| Tulsa | 7b | March 31 | November 4 | April 14 – April 28 |
| Norman | 7b | April 3 | November 3 | April 17 – May 1 |
| Broken Arrow | 7b | April 1 | November 1 | April 15 – April 29 |
| Edmond | 7b | April 10 | October 28 | April 24 – May 8 |
| Lawton | 7b | March 26 | November 7 | April 9 – April 23 |
| Moore | 7b | March 31 | November 5 | April 14 – April 28 |
| Midwest City | 7b | April 2 | November 5 | April 16 – April 30 |
Cowpea (Southern Pea) in Oklahoma: FAQ
When can I plant cowpea (southern pea) in Oklahoma?
Across Oklahoma, the time to direct-sow cowpea (southern pea) spans roughly March 29 in Ardmore to May 2 in Guymon, each following that city's local frost dates.
Does the cowpea (southern pea) planting date vary across Oklahoma?
Yes. Oklahoma publishes 45 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 Oklahoma?
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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