The world’s tallest Douglas fir is damaged but alive after burning for nearly a week in Oregon. On August 21, arborists climbed the famous 327-foot-tall tree known as the Doerner Fir and used a hose ...

In 2008, scientist Bryan Black took core samples the diameter of a pencil from a forest near the north Oregon coast. Most of the trees were hemlocks and Douglas fir that had been undisturbed for about ...

Another wave of heavy rain smacks western Washington this week, coupled with strong winds adding concern for potential power outages. by KOMO News Staff SEATTLE — Crews began cutting down a large ...

PORTLAND — Fir trees in Oregon and Washington died in record-breaking numbers in 2022, according to as-yet-unpublished research conducted by the U.S. Forest Service.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 ...

In anticipation of a hotter, drier climate, foresters across the Pacific Northwest have been testing new species of trees.

A new study finds the West is likely to see slower-growing Douglas fir trees in the future, as temperatures and droughts increase with climate change. Researchers with the University of ...

Landscape and forest trees are experiencing widespread dieback this spring according to Glenn Ahrens, Oregon State University Extension Forester for Marion County. "Browning or dieback is usually ...

Scientists at Washington State University are looking at what goes into that choice, contributing data to research to ...

While artificial Christmas trees might be the popular choice during the holiday season, nothing beats the smell of a fresh balsam fir. But new research out of the University of New Brunswick shows the ...

Phytophthora root rot is a stubborn enemy for some Christmas tree growers No fungicide has proved effective to control Phytophthora Growers turning to species from Europe%2C Asia that are more ...