Lately, visitors to the Koli National Park have been met with a sight of dead trees in the nature reserve. Global warming is contributing to increasing forest damage in Finland and elsewhere in the ...

Mar. 29—Every year, John Formby spends weeks flying in a plane above New Mexico's forests, looking for trees with signs of insect damage and stress from heat and drought. The state forest health ...

Insect-driven tree mortality is rising across Europe, according to an international study led by the Czech University of Life Sciences with participation of WSL. Conifers are hit harder, broadleaf ...

Meet the tiny troublemaker with a big appetite — this invasive insect can turn your hemlock into a has-been. Here's how you ...

While a fall application of mulch can be beneficial to plants, we have seen a growing trend of piling mulch much deeper than ...

A "zombie" ash tree affected by the invasive emerald ash borer but could survive with proper treatment, left of two ash trees that are irreparably damaged by the insect at Szymanek Park in Warminster, ...

Dear Grant, William and Kate, When I was little, I liked to climb trees. I loved to grip the bark as I got higher and higher. Now I mostly hug trees – but I still love the way bark feels under my paws ...

Purdue Landscape Report: Recently, there has been an uptick in questions related to one of Indiana’s most notorious invasive pests: the emerald ash borer. Homeowners, businesses, even professionals ...

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...