When to plant Peppers in Montana

In spring, from May 15 – June 10 in Billings to June 1 – 15 in Kalispell.

In fall, June 1 – 20.

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 Montana
PlaceSpringFall
BelgradeJune 1 – 15June 1 – 20
BillingsMay 15 – June 10June 1 – July 1
BozemanJune 1 – 15June 1 – 20
Butte-Silver Bow (balance)Not listedNot listed
Great FallsMay 20 – June 10June 1 – July 1
HelenaMay 20 – June 10June 1 – July 1
KalispellJune 1 – 15Not listed
MissoulaMay 20 – 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.