CORVALLIS, Ore. (KTVZ) – Increases in mortality among Douglas firs 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 ...

When it comes to choosing the right fast-growing tree for year-round privacy, the iconic Douglas-fir (Pseudotsuga menziesii) Christmas tree may not be the first thing that comes to mind. Its fresh ...

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 ...

SEATTLE — A Douglas fir was cut down Monday in Seattle's Maple Leaf neighborhood after activists attempted to stop the tree's removal. Pacific Tree Management cut down the tree near 90th Street and ...

Amid a years-long drought and insect infestation, Douglas fir have entered what scientists are calling a “decline spiral” in southwest Oregon. A study by Oregon State University faculty published in ...

Douglas-fir (Pseudotsuga menziesii) is one of the premier species of the Western forests. Not only is the wood exceptionally strong for its weight, but the trees are abundant. Trees can grow over 250 ...

The iconic Douglas-fir has been standing tall in Oregon for many centuries. But the evergreen species isn't doing so well lately, with many trees dying off in parts of the Klamath Mountains of ...

SEATTLE — A video shared on social media captured the tense confrontation that took place on Saturday in a Maple Leaf neighborhood near 90th Street and Fifth Avenue. Community activists faced off with ...

There is a low-key battle with bark beetles underway on the flanks of Aspen Mountain. Colorado State Forest Service workers marched down steep slopes two weeks ago, stapling thousands of pheromone ...

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 ...