White fir trees are part of the pine family, with a tall pyramidal form that brings a regal mountain magnificence to residential landscapes. This hardy evergreen conifer is lauded for its soft ...

Douglas fir dieback, caused by drought and insects, has spread from southwest Oregon into the Willamette Valley in a major ...

The rapid decline of our largest and most prolific tree in the Pacific Northwest andmost important tree species to the ...

Fraser fir is the classic Christmas tree — popular, shapely, with great needle retention and strong, silvery branches. It's the Cadillac of the cut-your-own tree lot. But what would it take to send ...

Fir trees in Oregon and Washington died in record-breaking numbers in 2022, according to as-yet unpublished research conducted by the U.S. Forest Service. Called “Firmageddon” by researchers, the ...

(WSAW) - The Wisconsin Department of Natural Resources is asking landowners to be aware of an invasive species that has been detected in Michigan. Hemlock woolly adelgid target hemlock and fir trees.

Observers who are noticing dying conifer trees around the Roaring Fork River watershed can blame the Douglas-fir beetle. The valley has avoided many of the insect infestations that have decimated ...