Fort Collins Mushroom Calendar
Fort Collins sits in the High Plains and has a drier, rain-shadowed climate, with roughly 15.9 inches of annual rainfall. The ground warms and reaches early fruiting potential around April, though frost is still possible until about May 2. A relatively short mushroom season near Fort Collins is aided by spring snowmelt and summer rains. Winter then shuts the season down hard and early.
Best months
May, July, and October
Ground warms
~April
Frost-free
May 2 – Oct 7
Annual rain
15.9"
Species tracked
4
What Fruits When Near Fort Collins
JFMAMJJASONDMorelKing BoleteMatsutakeregChanterelleregOysterShaggy ManeChicken of the Woodsreg
Shading shows when each species typically fruits within about 10 miles, not abundance. Based on iNaturalist observation trends. reg = pooled from the surrounding area where local sightings were sparse.
The Shape of the Season
All species combined — local observations within about 10 miles, by month.
Weather Through the Year
Average daily high–low (°F)
Average monthly precipitation (inches)
The Forest Around Fort Collins
Dominant tree species within about 10 km — the hosts that shape which mushrooms grow here.
- Ponderosa Pine61.6%
- Douglas-fir27%
- Colorado Pinyon5.8%
- Plains Cottonwood5.5%
Track the Season as It Happens
This calendar shows typical timing. A free Salish Mushrooms account adds live environmental layers — soil moisture, soil temperature, snow cover, and recent precipitation — on the Forayz map.
Species to Know Near Fort Collins
Common Questions
When is mushroom season in Fort Collins?
Mushroom season near Fort Collins comes in two waves: a spring window after snowmelt and a larger fall window with the first soaking rains. The strongest months in the local observation record are May, July, and October.
When do morels fruit near Fort Collins?
Morel reports near Fort Collins peak in May. Timing tracks soil temperature, so south-facing slopes and lower elevations start earlier and higher ground runs later.
What mushrooms grow near Fort Collins?
4 species show up in the observation record within about 10 miles of Fort Collins, including Morel, King Bolete, Oyster, Shaggy Mane. The calendar above shows when each one typically fruits.
Want live conditions instead of climatology? The Forayz map layers soil moisture, soil temperature, snow cover, and recent burns over the same area.