Montana Mushroom Calendar
Mushroom season across Montana comes in two waves — a spring window after snowmelt and a larger fall window with the first soaking rains. The strongest months in the observation record are May, June, and September. The charts below aggregate iNaturalist observations from 1 town across Montana; pick a town for its local calendar.
Towns
1
Best months
May, June, and September
Species tracked
5
The Shape of the Montana Season
All species and all 1 towns combined — local observations by month.
What Fruits When in Montana
JFMAMJJASONDMorelKing BoleteOysterLion's Mane / Bear's HeadShaggy Mane
Shading shows when each species typically fruits within about 10 miles, not abundance. Based on iNaturalist observation trends.
Montana City Calendars
Track the Season as It Happens
These calendars show typical timing. A free Salish Mushrooms account adds live environmental layers to the Forayz map — soil moisture, soil temperature, snow cover, and recent precipitation, updated daily — so you can see which storms actually soaked the woods.
Common Questions
When is mushroom season in Montana?
Mushroom season in Montana comes in two waves: a spring window after snowmelt and a larger fall window with the first soaking rains. The strongest months in the observation record are May, June, and September.
What mushrooms grow in Montana?
5 species are tracked across the 1 Montana calendars, including Morel, King Bolete, Oyster, Lion's Mane / Bear's Head, Shaggy Mane. The grid above shows when each one typically fruits.
For live conditions on an interactive map — recent rain, soil moisture and temperature, recent burns, public land boundaries, and forest types — explore the Forayz map.