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When to Plant Cowpeas in South Carolina

Cowpeas (black-eyed peas) are a heat-loving legume that fixes nitrogen in the soil. They are drought-tolerant and produce protein-rich pods in hot conditions.

South Carolina spans USDA hardiness zones 7b, 8a, 8b (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

Find Your County

Click your county for exact Cowpeas planting dates based on your local frost dates.

Cowpeas Planting Calendar for South Carolina

Zone 7b ~235 day growing season · Full guide →

Last frost: March 18 · First frost: November 8 · 235 day season

Activity When Date Range
Direct Sow March 25 Mar 25 – Apr 15
Harvest May 27 May 27 – Jul 8
Zone 8a ~255 day growing season · Full guide →

Last frost: March 8 · First frost: November 18 · 255 day season

Activity When Date Range
Direct Sow March 15 Mar 15 – Apr 5
Harvest May 17 May 17 – Jun 28
Zone 8b ~276 day growing season · Full guide →

Last frost: February 25 · First frost: November 28 · 276 day season

Activity When Date Range
Direct Sow March 4 Mar 4 – Mar 25
Harvest May 6 May 6 – Jun 17

Growing Tips for South Carolina

Direct sow after soil is thoroughly warm. Do not over-fertilize with nitrogen as cowpeas fix their own. Harvest pods when they begin to dry on the vine for dry beans.

Frequently Asked Questions

When should I plant Cowpeas in South Carolina?

Planting dates for Cowpeas in South Carolina depend on your USDA zone. South Carolina spans zones 7b, 8a, 8b. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is South Carolina for planting?

South Carolina contains USDA hardiness zones 7b, 8a, 8b. Your specific zone depends on your location within the state — northern and higher-elevation areas are in colder zones, while southern and coastal areas are warmer.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Last updated: April 2026.