PORTLAND, Ore. (K O IN) — A tree representing a piece of Oregon history is entering its final days. Despite efforts from arborists and experts to save an “iconic” 154-year-old elm tree in downtown ...

U.S. Army Corps of Engineers Forester Andy Meier inspects an elm tree on the Mississippi River for possible signs of Dutch elm disease, which has wiped out many of the elms in the river's floodplain ...

Bark beetles moving between trees routinely carry two fungi that are responsible for the Dutch elm tree disease outbreak.

The oldest elm tree in Portland and possibly all of Oregon has suffered a rough 2024 so far — and city officials say they have no choice but to cut it down next month, about 150 years after it took ...

Prospect Park Alliance arborist Malcolm Gore counted the rings on a tree stump at the top of a hill in Prospect Park. "I got to 90,” he said. Counting tree rings for age isn’t entirely accurate, Gore ...

Brown University’s 155-acre campus is home to thousands of trees and is recognized for its impressive American elm collection. Last year, the campus lost an iconic community fixture, an elm tree that ...

The North Carolina Forest Service has been receiving reports of scorched-looking elm trees throughout central North Carolina, from Davidson to Johnston counties. But Jim Slye, the service’s Forest ...

COLORADO SPRINGS, Colo. — Crews were at work Friday helping preserve a historic tree near downtown Colorado Springs despite the snowy morning. Arborist company SavATree provided free pruning on the ...