FrostCal

When to Plant Peas in Idaho

In a typical Idaho location, sow outdoors Mar 19 – Apr 2. Across the state, the outdoor planting window starts as early as Feb 23 in Lewiston and as late as Apr 5 in Eagle. 2 cities in Idaho are essentially frost-free and can plant on a year-round schedule.

Method Direct sow
Days to maturity 55–70 days

Cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.

Peas Planting Dates by City

CityDirect sow
BoiseMar 13 – Mar 27
MeridianMar 13 – Mar 27
NampaMar 18 – Apr 1
Idaho FallsMar 28 – Apr 11
PocatelloMar 21 – Apr 4
CaldwellMar 12 – Mar 26
Coeur d'AleneMar 11 – Mar 25
Twin FallsMar 19 – Apr 2
LewistonFeb 23 – Mar 9
Lewiston OrchardsFeb 23 – Mar 9
Post FallsMar 11 – Mar 25
RexburgApr 3 – Apr 17
MoscowFrost-free: year-round planting
EagleApr 5 – Apr 19
CondaFrost-free: year-round planting
KunaMar 13 – Mar 27
AmmonMar 28 – Apr 11
ChubbuckMar 21 – Apr 4
HaydenMar 11 – Mar 25
Mountain HomeMar 21 – Apr 4
BlackfootMar 24 – Apr 7
Garden CityMar 13 – Mar 27
JeromeMar 21 – Apr 4
BurleyMar 26 – Apr 9

Showing the 24 most populous of 24 Idaho cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Idaho cities.

Frequently Asked Questions

When should I plant peas in Idaho?

In a typical Idaho location, sow outdoors Mar 19 – Apr 2. Across the state, the outdoor planting window starts as early as Feb 23 in Lewiston and as late as Apr 5 in Eagle. 2 cities in Idaho are essentially frost-free and can plant on a year-round schedule.

When is the last frost in Idaho?

The average last spring frost in Idaho ranges from April 6 in Lewiston to May 17 in Eagle, based on NOAA 1991–2020 climate normals.

How long do peas take to grow?

Peas typically take 55–70 days from planting to harvest. Cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.

Other Crops in Idaho

When to plant peas in other states

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