Forager Forecast

Black trumpets: forecast and season

Craterellus calicornucopioides · California, Oregon, and Washington · updated Saturday, October 24

Open the black trumpet map

Black trumpet in the field
Black trumpet. Photo: Alan Rockefeller, CC BY, iNaturalist

Best counties this week

CountyStateThis weekChanceBest height
Josephine CountyOregonToo early40%0 to 1,000 ft
Curry CountyOregonToo early35%0 to 1,000 ft
Del Norte CountyCaliforniaToo early34%0 to 1,000 ft
Douglas CountyOregonPossible34%0 to 1,000 ft
Siskiyou CountyCaliforniaToo early33%0 to 1,000 ft
Coos CountyOregonToo early32%0 to 1,000 ft
Lane CountyOregonPossible28%0 to 1,000 ft
Linn CountyOregonOff season19%0 to 1,000 ft
Benton CountyOregonOff season19%1,000 to 2,000 ft
Jackson CountyOregonOff season16%1,000 to 2,000 ft

When they fruit

California

Most often from December to March; most finds 320 to 1,780 ft; this season on a normal schedule.

TodayONDJFMAMJJASCalifornia by county

Fall timing slides about 5 days for every week the first inch of fall rain comes late or early.

Safety

Never eat a wild mushroom you haven't identified with certainty.

About the data

Learned from 354 iNaturalist finds; on held-back finds the shading covered 80% of them, against 10% of other fungi (how it works).

Season questions

When is black trumpet season in California?

Most often from December to March.