There’s a lot to love about mountain ash, a delightful native tree that fits easily into urban and suburban landscapes. It can be grown as a small single-trunk tree or with multiple trunks, giving it ...

If you’re having trouble with your trees or woody shrubs, the first call you should make is to an arborist. A certified arborist has specialty education in trees and the latest information on how to ...

You probably aren’t watering or pruning the 75-foot oak or maple in the front yard, but mature trees aren’t maintenance free.

Kris Dullmer of Ash Tree Solutions, right, injects an insecticide into an ash tree named Big Jim in the Catamount Community Forest to combat the emerald ash borer in Williston on Tuesday, June 25.

PORTLAND, Ore. (KOIN) – Recent sightings of invasive species and a tree disease in and near Washington have state officials asking the public to keep their eyes open and report anything that seems out ...

TANGENT, Ore. — The Calapooia River flows past fields of bucolic farmland in the Mid-Willamette Valley where Don Wirth walked over to inspect a fallen ash tree along the stream bank. Wirth, whose ...

My neighbor lives on a rolling hillside dominated by lawn and trees. He has taken out a lot of the scrub over the years to show off trees of various species and age, and the place has the feel of an ...