As emerald ash borer (EAB) infestation continues its march across the continent, Don Kinzler shares the distinctive identifying characteristics of an ash tree.

To walk down a street in a town like Midland, Mich., these days is to witness mass carnage — ash trees, long a favorite of city arborists for their tall silhouettes and abundant foliage, have been cut ...

Without question or doubt, ashes rank as the most common and most abundant trees growing along our neighborhood streets and in our yards and parks. Elms rank much lower in abundance as street trees.

I was a boy when Dutch Elm Disease killed most of the stately American elms that shaded our streets. Spongy moth caterpillars stripped the foliage of our oaks, killing many of them. Hemlock woolly ...

PORTLAND, Ore. (KOIN) – The dreaded emerald ash borer has made its way into Portland, and it poses a threat to every ash tree in the city. The invasive beetle from East Asia has already had a ...