When to Plant Peas in Iowa
Iowa spans USDA hardiness 4b to 6a (zones 4b to 6a on this page). Plant peas by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 4b · Zone 5a · Zone 5b · Zone 6a
Peas planting calendar for Iowa, Zone 4b
Average last spring frost
May 10
Average first fall frost
September 25
spring planting
Direct sow
Apr 12
Projected first harvest
Jun 16
fall planting
Direct sow
Jul 10
Projected first harvest
Sep 13
spring planting
fall planting
Most peas mature in about 60 to 80 days depending on the variety. Full zone 4 guide (both 4a and 4b) →
Peas planting calendar for Iowa, Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
spring planting
Direct sow
Apr 7
Projected first harvest
Jun 11
fall planting
Direct sow
Jul 16
Projected first harvest
Sep 19
spring planting
fall planting
Most peas mature in about 60 to 80 days depending on the variety. Full zone 5 guide (both 5a and 5b) →
Peas planting calendar for Iowa, Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
spring planting
Direct sow
Apr 2
Projected first harvest
Jun 6
fall planting
Direct sow
Jul 20
Projected first harvest
Sep 23
spring planting
fall planting
Most peas mature in about 60 to 80 days depending on the variety. Full zone 5 guide (both 5a and 5b) →
Peas planting calendar for Iowa, Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
spring planting
Direct sow
Mar 28
Projected first harvest
Jun 1
fall planting
Direct sow
Jul 25
Projected first harvest
Sep 28
spring planting
fall planting
Most peas mature in about 60 to 80 days depending on the variety. Full zone 6 guide (both 6a and 6b) →
Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
6 varieties of peas in the HomeSown library. Tap any for its full grow guide.
Common problems with peas
What to watch for, with identification and treatment for each
🌱 Grow peas with a calendar built for your exact yard
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