Based on 703 research-grade iNaturalist flowering observations in Montana, Fireweed blooms mainly from July to August, peaking in July. It ranks #1 among wildflowers recorded in the state in our data.
Chamaenerion angustifolium
Fireweed in Montana by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also in bloom in Montana in July
Pipsissewa
Nodding Onion
Glacier Lily
Pearly Everlasting
Showy Milkweed
Lewis' monkeyflower
Common Beargrass
Bride's Bonnet
Places to look in Montana
National ForestBitterroot National Forest
State ParkMakoshika State Park
National ForestBeaverhead–Deerlodge National Forest
National ForestLewis and Clark National Forest
National ForestHelena National Forest
State ParkMadison Buffalo Jump State Park
FAQ
When does Fireweed bloom in Montana?
Mainly July–August, with the most records in July.
How common is Fireweed in Montana?
It ranks #1 by number of iNaturalist flowering observations among wildflowers in Montana (703 records in our sample).