When to plant cowpea (southern pea) in Utah
Utah spans USDA zones 5b–8b, 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 28 in St. George to June 18 in Heber — below are local dates for 67 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Salt Lake City | 7b | March 31 | November 8 | April 14 – April 28 |
| West Valley City | 7b | April 8 | October 31 | April 22 – May 6 |
| West Jordan | 7b | April 18 | October 22 | May 2 – May 16 |
| Provo | 7a | April 18 | October 21 | May 2 – May 16 |
| St. George | 8b | March 14 | November 10 | March 28 – April 11 |
| Orem | 7a | April 19 | October 19 | May 3 – May 17 |
| Sandy | 7b | April 29 | October 22 | May 13 – May 27 |
| Ogden | 6b | April 21 | October 23 | May 5 – May 19 |
Cowpea (Southern Pea) in Utah: FAQ
When can I plant cowpea (southern pea) in Utah?
Across Utah, the time to direct-sow cowpea (southern pea) spans roughly March 28 in St. George to June 18 in Heber, each following that city's local frost dates.
Does the cowpea (southern pea) planting date vary across Utah?
Yes. Utah publishes 67 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 Utah?
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.
Never miss a window in your area
An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.