Scientists examined how growth rates in the trees changed over 91-year period. As warm, dry conditions continue in the future, fewer Douglas firs expected to grow Growth slowed across species’ range, ...

Drought and insects have killed an unprecedented number of Oregon’s Douglas fir trees during in southwest Oregon and the ...

In this episode of ID That Tree, Purdue Extension forester Lenny Farlee introduces the Balsam Fir. This species is found in the North Woods of Northern Wisconsin and the Upper Peninsula of Michigan.

The Doerner Fir tree, one of the world’s tallest, caught fire and has sustained damage that could lower its global ranking. The fire has not yet spread to the surrounding coastal Oregon wilderness but ...

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.

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 ...

A decade-long die-off of Douglas fir trees centered in southwest Oregon has recently accelerated, potentially requiring ...