When to plant peas in Montana

Peas
Sow outdoors in Billings
Mar 23–Apr 6

Across Montana the window opens between March 23 and May 2. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Billings
Mar 23–Apr 6
Fall planting, Billings
Jul 29–Aug 12
Last frost, Billings
May 4

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
BillingsMar 23–Apr 6
MissoulaMar 29–Apr 12
Great FallsMar 25–Apr 8
BozemanApr 14–Apr 28
Butte-Silver BowMay 2–May 16
HelenaMar 28–Apr 11
KalispellApr 19–May 3

Questions

When should I plant peas in Montana?

In Billings, sow outdoors from March 23 to April 6. Across Montana the window opens between March 23 and May 2, 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 Montana

Peas in other states

Frost dates for every city in Montana