Mazama Mushroom Calendar
Mazama sits in the North Cascades and a drier, rain-shadowed climate, with roughly 23.1 inches of annual rainfall, most of it falling in the cool months from fall into spring. The ground warms and reaches early fruiting potential around April, by which point the average last frost (May 9) has usually passed. Summer fruitings stay confined to pockets of moisture — irrigated urban ground can be one — and the real abundance arrives with the fall rains in October. Winter then shuts the season down hard and early.
Best months
August, September, and October
Ground warms
~April
Frost-free
May 9 – Sep 29
Annual rain
23.1"
Driest
July through September
Species tracked
3
What Fruits When Near Mazama
JFMAMJJASONDMorelregKing BoleteMatsutakeregChanterelleregHedgehogregOysterregLobsterregBear's HeadThe PrinceregShaggy Mane
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 Mazama
Dominant tree species within about 10 km — the hosts that shape which mushrooms grow here.
- Douglas-fir49.4%
- Western Hemlock21.8%
- Ponderosa Pine15.9%
- Lodgepole Pine7.1%
- Grand Fir3.5%
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 Mazama
Common Questions
When is mushroom season in Mazama?
Near Mazama, most mushroom activity arrives with the fall rains. The strongest months in the local observation record are August, September, and October.
When do morels fruit near Mazama?
Morel reports in the surrounding region 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 Mazama?
3 species show up in the observation record within about 10 miles of Mazama, including King Bolete, Bear's Head, 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.
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