For a province so synonymous with trees, and with so many people who love all they provide, it's ironic that the two species ...

Birch Creek Golf Course recently dealt with an infestation of Douglas-fir tussock moth larvae, which damaged several of the ...

Douglas-fir trees are the most common victims of browning or dieback caused by weather-related stress, sometimes in combination with pests and diseases, said Glenn Ahrens, a forester with Oregon ...

The state’s park department says they are experiencing an outbreak of Douglas-fir tussock moth caterpillars at Hyde Memorial ...

The larger Doug fir, though, the one where the south wing will go, was flawless. I counted 50 rings, not including the heart of the tree, which the arborist said equaled "a good 10 years right there." ...

About 70 percent of all trees harvested in Oregon and Washington - nearly 4.7 billion board feet (26.6 million cubic meters) - are Douglas fir.

With a Christmas tree grower’s eye honed over decades, Paul Alan Shealer examined a nearly eight-foot-tall Douglas fir Monday ...

Josh Farley is a reporter covering the military, and the occasional Douglas-fir tree, for the Kitsap Sun. He can be reached at 360-792-9227, [email protected] or on Twitter at @joshfarley.

Distribution map of study sites where Douglas fir tree core samples were examined. Credit: Christina Restaino/UC Davis “Throughout the life of these trees, Douglas firs have experienced a lot of ...

Call them the little trees that could. Despite the excessively hot, dry weather that has parched the Northwest since spring, the millions of alder and Douglas fir seedlings planted in Southwest ...

"In 1984, these Douglas fir all but shut down," Black says. "In fact, their growth was so slow that it wasn't even forming wood around the whole circumference of the tree." ...