Increases in mortality among Douglas-fir in the Klamath Mountains are the result of multiple factors that have the iconic tree in a 'decline spiral' in parts of the region. Increases in mortality ...

Douglas fir trees around Ashland are dying in the thousands. It’s one example of how our changing climate is affecting forests in the region. Ashland Fire and Rescue Wildfire Division Chief Chris ...

Drought and insects have killed an unprecedented number of Oregon’s Douglas fir trees during the last decade, costing billions in timber value, damaging infrastructure and ramping up wildfire danger.

CORVALLIS, Ore. – Increases in mortality among Douglas-fir in the Klamath Mountains are the result of multiple factors that have the iconic tree in a “decline spiral” in parts of the region, a new ...

CORVALLIS, Ore. – Douglas-fir trees will likely experience more stress from drier air as the climate changes than they will from less rain, computer modeling by Oregon State University scientists ...

Thanks for writing in, Bert. We at the Garden often speak about planting trees and shrubs that are best suited for our Chicago-area climate. The tree in your photo appears to be a Douglas fir, which ...

The historic tree is alive, but it lost some of the record height that made it the tallest Douglas fir in the world. Volunteer tree climbers Damien Carré with Oregon Tree Care in Oregon City and Logan ...