I have been asked several times about the lichen that grows on trees and what it is, does it hurt the tree and how to get rid ...

Answer: That orange growth is lichen, not a rust pathogen. Lichen do not harm the tree or shrub in any way. They tend to grow only on that outer bark and stay there, not growing deeper into live ...

My tree has lost all its leaves and the bark now has some fungi growing on it? Is lichen killing my tree? Lichen (pronounced lie-ken) gets a bad rap based on its appearance alone. It has been on our ...

Q: The pictures are of a ginkgo tree that is completely covered with this fungus. It was also on our Encore azaleas and some older oak trees and other shrubs. We lost all our azaleas, some other ...

Over the course of many years working with trees, hundreds of people have asked me about “that stuff” growing on the bark, or hanging from the branches of trees. What is it? Is it a disease? Is it ...

NACOGDOCHES, Texas (KTRE) - Often, I get the inquiry about that “green and grey fungus that is killing my tree.” At this time of the year when most leaves are off trees and shrubs, these growths are ...

Q: I have planted quite a few sugar maples on my property. I am concerned that some of them have a disease. They have a kind of gray scaly patches growing on the trunks were the branches join in. If I ...

Q: I am worried about the grayish-green, flaky, roundish spots I am seeing on big tree trunks and branches this spring. I can scratch it off with my fingernails. I think that it is killing my trees.

On a cool August morning at Fort Snelling State Park, the bright songs of crickets drifted up from tall grasses. In the background, the din of hundreds of cars vibrated on nearby Hwy. 5 and Hwy. 55, ...