When Do Black Trumpets Fruit?
Across the West, Black Trumpet observations peak in January, with meaningful activity from January through December. 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.
Black Trumpet Season, Month by Month
All 92 towns combined — relative activity by month, from iNaturalist observation trends.
Where Black Trumpet 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.