Lichens are a combination of algae and fungus that often appear as white or gray blotches on the bark. They make their own food using the sun's rays so they don't feed on the tree and don't harm it.

Bark cracks become visible most often during the late winter/early spring. Tree guards should be removed in the spring, because the guards become a problem with disease due to moisture within the ...

Even worse, if rabbits or other animals chew off the bark all the way around the ... While different trees are vulnerable to different diseases, many types, including beech, maple, oak, and citrus ...

When you look at the four seasons we go through in a year, it comes to our attention that the trees and bushes only have ...

A native Pennsylvania hardwood tree is facing extinction. Beech trees are being attacked by two separate diseases – one moves ...

The bark on young trees is smooth and light gray, and darker and scaly on older trees. Silver maple, which is commonly found in swamps and overflow bottomlands, is one of Indiana’s soft maples ...

Sooty bark disease can cause trees to become brittle and put them at risk of falling down, it said. Symptoms included branch dieback, flaking layers or bark and sooty black powdery spores on trunks.