Waiting until the leaves drop in fall is a rule of thumb for pruning shade trees, mainly because you can see bare limbs better, and the job is less “messy” without leaves attached to the cut branches.

MARIN COUNTY, Calif. - The rainy season brings life-giving water to California but often enacts a penalty in the form of floods, mudslides and falling trees. Now, a new danger has come to light from ...

A binational collaborative project is exploring environmental factors that affect the northward expansion of oak wilt, a fatal tree disease spread by sap beetles. Researchers from Michigan ...

It’s less than a half-inch long but it can fell a giant oak tree in no time. The goldspotted oak borer, GSOB or Agrilus auroguttatus, is a 0.4-inch bullet-shaped beetle with six golden spots on its ...

MARQUETTE, MI — A tree disease is spreading across Michigan’s Upper Peninsula. Oak wilt, a lethal fungal infection which spreads via root systems, was found in two tree stands in southwest Marquette ...