When to plant Peppers in Idaho

In spring, from May 1 – June 1 in Lewiston to May 25 – June 15 in Garden City.

In fall, June 1 – July 1.

Dates are for setting out plants. USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Peppers planting dates by place in Idaho
PlaceSpringFall
AmmonMay 20 – June 10June 1 – July 1
BlackfootMay 15 – June 10June 1 – July 1
Boise CityMay 10 – June 1June 1 – July 10
BurleyMay 20 – June 10June 1 – July 1
CaldwellMay 15 – June 10June 1 – July 1
ChubbuckMay 25 – June 15June 1 – July 1
Coeur d'AleneMay 10 – June 1June 1 – July 10
EagleMay 15 – June 10June 1 – July 10
Garden CityMay 25 – June 15June 1 – July 1
HaydenMay 10 – June 1June 1 – July 10
Idaho FallsMay 20 – June 10June 1 – July 1
JeromeMay 15 – June 10June 1 – July 1
KunaMay 10 – June 1June 1 – July 10
LewistonMay 1 – June 1June 1 – July 20
MeridianMay 10 – June 1June 1 – July 10
MiddletonMay 15 – June 10June 1 – July 1
MoscowMay 15 – June 10June 1 – July 1
Mountain HomeMay 15 – June 10June 1 – July 1
NampaMay 15 – June 10June 1 – July 1
PocatelloMay 15 – June 10June 1 – July 1
Post FallsMay 10 – June 1June 1 – July 10
RathdrumMay 10 – June 1June 1 – July 10
RexburgMay 20 – June 10June 1 – 20
SandpointMay 20 – June 10June 1 – July 1
StarMay 15 – June 10June 1 – July 1
Twin FallsMay 15 – June 10June 1 – July 1

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for peppers.