Got young trees growing in your garden and live in a cold climate? Protecting your saplings from winter sunscald is essential ...

The most common causes of death for newly planted trees are drowning and planting too deep, but the third most common hazard is bark borer beetles and their larvae, borer worms. These three problems ...

This undated photo shows a young tree protected for winter in New Paltz, N.Y. This“well-dressed” tree is decked out to protect it from winter’s woes of hungry animals, fluctuating temperatures, and ...

Spruce bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger ...

An ecologist investigates pest infestation in forests with mixed and monoculture tree stands. In recent years, foresters have been able to observe it up close: First, prolonged drought weakens the ...

Trees are nearly always selected for their flowers, foliage, or form. Yet, at this time of year, there is an often overlooked arboreal feature that may achieve sudden prominence in the garden. In ...

The worst threat to young trees and shrubs in winter isn’t cold or snow. “It’s bunnies and Bambi,” said Sharon Yiesla, plant knowledge specialist in the Plant Clinic at The Morton Arboretum in Lisle.

Mountain pine beetle-killed trees at Lookout Pass in 2002. Provided by Idaho Dept of Lands. Bark beetles are only about the size of a grain of rice. But for such tiny critters, they can take a big ...