Calgary Mushroom Calendar
Calgary has a drier, rain-shadowed climate — about 16.5 inches of rain a year. The ground warms and reaches early fruiting potential around May, though at this latitude freezing nights are possible in all but the warmest weeks. Calgary has a single mushroom-fruiting window, open only when temperature and precipitation are both suitable. Winter then shuts the season down hard and early.
Best months
July, August, and September
Ground warms
~May
Annual rain
16.5"
Species tracked
5
What Fruits When Near Calgary
JFMAMJJASONDMorelOysterBear's HeadBlewitShaggy Mane
Shading shows when each species typically fruits within about 10 miles, not abundance. Based on iNaturalist observation trends.
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)
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 Calgary
Common Questions
When is mushroom season in Calgary?
Near Calgary, most mushroom activity arrives with the fall rains. The strongest months in the local observation record are July, August, and September.
When do morels fruit near Calgary?
Morel reports near Calgary 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 Calgary?
5 species show up in the observation record within about 10 miles of Calgary, including Morel, Oyster, Bear's Head, Blewit, 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.