When to plant daffodil bulbs in Montana

Fall planting in Billings

Sep 9–Oct 21

Across Montana the window opens between August 8 and September 9. Find your city below; the dates follow each town's own average first fall frost.

Fall planting, Billings: Sep 9–Oct 21
Last frost, Billings: May 4

Plant from 4 weeks before to 2 weeks after the first fall frost. Daffodils root best when they go in a few weeks before the ground freezes. Deer and rodents leave them alone.

Daffodil bulbs planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

BillingsSep 9–Oct 21

MissoulaSep 3–Oct 15

Great FallsSep 3–Oct 15

BozemanAug 25–Oct 6

Butte-Silver BowAug 8–Sep 19

HelenaSep 2–Oct 14

KalispellAug 13–Sep 24

Questions

When should I plant daffodil bulbs in Montana?

In Billings, fall planting from September 9 to October 21. Across Montana the window opens between August 8 and September 9, depending on the local last frost.

How is this date worked out?

Plant from 4 weeks before to 2 weeks after the first fall frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.