Identifying Cottonwood Trees for Mushroom Hunting | 2026 PNW Guide
Identifying Cottonwood Trees How to find black cottonwood for early-season mushroom hunting in the PNW Black cottonwood (Populus trichocarpa) is one of the most important trees for early-season mushroom hunting in Western Washington. While our region is dominated by conifers, cottonwoods grow along rivers, streams, and lake margins — and they’re among the first trees…