In coastal Oregon, the state's tallest fir tree is burning. Douglas-firs (Pseudotsuga menziesii) are Oregon's most common trees, but the tree that's ablaze, known as the Doerner Fir, is special.

Drought can damage and sometimes kill Douglas-fir trees. Dying trees have been spotted frequently in western Oregon this spring. (Glenn Ahrens) Many Oregonians have noticed widespread damage in ...

The Douglas fir, also called a Douglas tree, Oregon pine or Douglas spruce, can grow hundreds of feet high — and the oldest of the species can live for over 1,000 years. The Douglas fir was named ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Fir needles are typically short and mostly soft with blunt tips. The cones ...

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 ...

We had our first winter snow storm this past weekend, a nice change from the warmer than usual conditions across most of the country. Snow is an important part of our local ecosystems, the plants and ...

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, ...