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 ...

COEUR D'ALENE, Idaho -- If you want to impress your friends with your tree knowledge on your next hike, check out the upcoming class from UI Extension Forestry. On April 26, The UI Extension Forestry, ...

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, ...

Foresters are looking to hone their management of Douglas fir trees in the wake of a new state report that says a changing climate likely will worsen the spread of a root-devouring fungus. A special ...

Add Yahoo as a preferred source to see more of our stories on Google. Drought and insects have killed an unprecedented number of Oregon’s Douglas fir trees during the last decade, costing billions in ...

Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X When the Peanuts gang sent Charlie Brown out for a Christmas tree, he should have come to Delco.

Douglas firs, hemlocks and ponderosa pines are fundamental parts of Oregon’s natural forests. In fact, there are people working across the state to breed better versions of those trees to be more ...

The latest assessment of forest health in Colorado shows the Aspen area is experiencing a steady spread of infestation from Douglas fir beetles, but Pitkin County overall is faring much better than ...

Some aspects of choosing a live Christmas tree, like shape, color, and aroma, are subjective. But certain Christmas tree species are better at keeping their needles and holding ornaments. Two ...