CORVALLIS, Ore. (KTVZ) – 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 ...

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 ...

A cabin is surrounded by Douglas fir trees. Douglas firs are in a "decline spiral" in southwest Oregon, scientists say. Amid a years-long drought and insect infestation, Douglas fir have entered what ...

Old growth Douglas fir trees stand along the Salmon River Trail on the Mt. Hood National Forest outside Zigzag, Ore., on June 25, 2004. A new study from Oregon State University researchers finds that ...

My 2-year-old knows no one of that name. She wanted to see a tree. Throughout the pandemic, the two of us have trekked rain or shine to the green canopy of a solitary neighborhood Douglas fir. There, ...

The giant Doerner Fir tree caught fire Saturday in Coos County, Oregon. Firefighters are figuring out how to save the historic tree. A drone captures fire damage from above the Doerner Fir tree in ...

In coastal Oregon, the state's tallest fir tree is burning. Douglas-firs (Pseudotsuga menziesii) are Oregon's most common trees, but the tree that's ablaze, known as the Doerner Fir, is special.

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 ...