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 ...

“The superlative trees,” Koomjian called them. One of the first of these trees they climbed as a group is the Brummit Fir (aka the Doerner Fir) — a 327-foot giant in Coos County, Oregon. “The Brummit ...

With so many varieties sold as Christmas trees, knowing what differentiates a Douglas fir from a Norway spruce is key to shopping for a real tree you’ll love. You’re likely to see more than one ...

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 ...

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 ...