When to plant peas in Idaho

Sow outdoors in Boise City

Mar 13–Mar 27

Across Idaho the window opens between February 23 and March 31. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Boise City: Mar 13–Mar 27
Fall planting, Boise City: Aug 12–Aug 26
Last frost, Boise City: Apr 24

Sow outdoors 4–6 weeks before the last frost; sow again for fall 8–10 weeks before the first frost. Peas handle frost. The usual mistake is sowing too late and losing the crop to summer heat.

Peas planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

Boise CityMar 13–Mar 27

MeridianMar 13–Mar 27

NampaMar 18–Apr 1

CaldwellMar 18–Apr 1

Idaho FallsMar 28–Apr 11

PocatelloMar 21–Apr 4

Coeur d'AleneMar 11–Mar 25

Twin FallsMar 19–Apr 2

Post FallsMar 11–Mar 25

RexburgMar 31–Apr 14

LewistonFeb 23–Mar 9

EagleMar 18–Apr 1

KunaMar 13–Mar 27

StarMar 18–Apr 1

AmmonMar 28–Apr 11

Questions

When should I plant peas in Idaho?

In Boise City, sow outdoors from March 13 to March 27. Across Idaho the window opens between February 23 and March 31, depending on the local last frost.

How is this date worked out?

Sow outdoors 4–6 weeks before the last frost; sow again for fall 8–10 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Idaho

Peas in other states

Frost dates for every city in Idaho