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 ...

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.

SHERWOOD, Ore. — Deep inside a forest in Oregon's Willamette Valley stands a dead "Tree of Life." Its foliage, normally soft and green, is tough and brown or missing altogether. Nonetheless, the ...

Add Yahoo as a preferred source to see more of our stories on Google. A house, shaded by large trees. - Alex Potemkin/Getty Images When it comes to choosing the right fast-growing tree for year-round ...

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 ...

All my life I’ve been hearing about Douglas firs. Who was Douglas, and why does he get to have a tree named after him? —Fir Burger Behold the mighty Douglas-fir, a tree whose story is as rich in ...

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 ...