Safeguarding your trees against pests is important to their health and longevity. Invasive species can wreak havoc by defoliating or infecting trees, and left untreated, can lead to loss of limbs and ...

The Penn State Extension of Berks County Master Gardeners will be featuring questions and answers to inquiries received through their Garden Hotline. Q: What are those blue-green growths on trees and ...

Welcome to our tree column, “Ask your local arborist.” Each month, arborists from the Davey Tree Expert Company in Menlo Park discuss a tree-related topic from general care and planting tips to how ...

An invasive caterpillar species is posing a serious threat to a cherished native moth, even though the two never directly compete for food, according to new research from ecologists at the University ...

OTTAWA COUNTY, MI – Majestic hemlocks towering on dunes and along streams in Ottawa County may soon be a thing of the past if a tiny insect cannot be controlled. The hemlock woolly adelgid (HWA), a ...