Q: What’s happening to the bark on our six apple trees? In summer, I wrapped plastic around the trunks and put on sticky stuff to catch climbing insects. I realize now that wasn’t the best move, ...

Most people worry about frost killing their trees in January. Far fewer think about what a relentless July sun can do to bark ...

Here, we classified the six freezing stress treatments into two phases: the early freezing stress phase (−4, −9, and −14 °C) (Phase I) and the late freezing stress phase (−19, −24, and −29 °C) (Phase ...

Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, according to a recent study from the University of Eastern Finland published in Trees, ...