When to Plant Cowpeas in Zone 3
In USDA zone 3a, plant outdoors June 13 to September 1, and expect your first harvest around September 1. (3a shown here — see 3a and 3b dates separately below.)
Cowpeas planting calendar for USDA Zone 3a
Average last spring frost
May 30
Average first fall frost
September 10
Direct sow
Jun 13
Projected first harvest
Sep 1
Most cowpeas mature in about 75 to 80 days depending on the variety, needing roughly 103 frost-free days in zone 3a.
Cowpeas planting calendar for USDA Zone 3b
Average last spring frost
May 20
Average first fall frost
September 15
Direct sow
Jun 3
Projected first harvest
Aug 22
Most cowpeas mature in about 75 to 80 days depending on the variety, needing roughly 118 frost-free days in zone 3b.
Not sure whether you're in 3a or 3b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
2 varieties of cowpeas in the HomeSown library. Tap any for its full grow guide.
Common problems with cowpeas
What to watch for, with identification and treatment for each
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