When to plant cowpea (southern pea) in Hawaii
Hawaii spans USDA zone 12a, 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 February 9 in Kapaa to February 9 in Kapaa — below are local dates for 1 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Kapaa | 12a | January 26 | January 24 | February 9 – February 23 |
Cowpea (Southern Pea) in Hawaii: FAQ
When can I plant cowpea (southern pea) in Hawaii?
Across Hawaii, the time to direct-sow cowpea (southern pea) spans roughly February 9 in Kapaa to February 9 in Kapaa, each following that city's local frost dates.
Does the cowpea (southern pea) planting date vary across Hawaii?
Yes. Hawaii publishes 1 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 Hawaii?
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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