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 ...

Majestic oak trees have been capturing attention long before travelers on the Oregon Trail stopped their wagons and set up their new life. Indigenous people nurtured oaks for edible acorns, and ...

Add Yahoo as a preferred source to see more of our stories on Google. PORTLAND, Ore. (KOIN) — Older trees in an Eastern Oregon forest are perishing “at an alarming rate,” according to researchers. A ...

Old-growth juniper trees are a symbol of the American West. Their ancient and gnarled trunks and branches twist into haunting shapes immortalized in photos by Ansel Adams. East of Bend, in the Oregon ...

As Oregonians prepare for Christmas, researchers are looking into how they can keep the state’s Christmas tree industry alive for decades to come. Oregon grows more Christmas trees than any other ...

Oregon is the Christmas tree capital of the country, producing over 3 million of the festive evergreens every year. And when Christmas tree growers have a concern with their crops of noble or Douglas ...

The Mediterranean oak borer, an invasive beetle known to transmit a sometimes fatal fungus to Oregon white oak trees, has been found in Marion and Polk counties. Summer trappings also showed that the ...

PORTLAND, Ore. — On Friday, the Oregon Department of Forestry launched its annual aerial survey of forests throughout the state, something the agency has done since 1947. Over the next few months, ...