When Do King Boletes Fruit?
Across the Pacific Northwest, King Bolete observations peak in October, with meaningful activity from August through November. Timing shifts with latitude and elevation — coastal lowlands run earliest, high country and the far north run latest — so check the city calendars below for local detail.
King Bolete Season, Month by Month
All 55 towns combined — relative activity by month, from iNaturalist observation trends.
Where King Bolete Reports Are Strongest
Catch the Window
Peak months tell you when to start watching. A free Salish Mushrooms account adds live soil moisture, soil temperature, and snow cover to the Forayz map, so you can tell when conditions actually line up.
See where conditions look right this week on the Forayz map.