Healthy tree bark grows in different colors and is often a nice rich brown, but can also be gray or white. Natural tree ...

If you spot signs of scale disease ... If you notice that white, powdery buildup on your beech trees' bark, what you're seeing are beech scale insects gathering in clusters.

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 ...

“If your tree still has any bark on it, you can lift up the bark and you will see the little white larva,” she said ... is just starting to get black spots, you can get Horticultural ...