Minnesota. In 2024, over 700,000 acres of trees were defoliated in the state due to the current outbreak, the largest amount ...

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

The wretched worm that ravages spruce and fir trees and leaves a brownish mess in its wake seems to be everywhere one looks ...

A study finds a quarter of old trees in Oregon’s Malheur Forest died in 10 years, driven by drought, bugs, and overcrowding.

Spruce up your yard! With cold-weather hardiness, evergreen beauty and a range of sizes and shapes, the many types of spruce ...

PORTLAND, Ore. ( KOIN) — Older trees in an Eastern Oregon forest are perishing “at an alarming rate,” according to ...