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 ...

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 ...

On the bark of my tree, I noticed grayish growth. I can peel this growth off fairly easily. What is this growth and is it hurting my tree? I have been asked some form of this question at Possum’s, on ...

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 ...

Now that deciduous trees are bare, trunks and branches have taken center stage, and you might be noticing nuances and irregularities that evaded your attention over the summer. For instance, what are ...

Editors note: Throughout the growing season, Mike Hogan, OSU Extension Educator for Agriculture & Natural Resources in Franklin County, will answer gardening questions submitted by Dispatch readers.

Editor’s note: This week, scientists from the University of Alaska Fairbanks are presenting their work alongside thousands of colleagues from around the world at the 2022 American Geophysical Union ...