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 ...

I answer a lot of questions from home gardeners on our Garden Hotline. Quite a few questions deal with lichens. The resident asks, “Are they killing my tree?” Lichens (pronounced lie-kenz) have been ...

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 ...

Gardeners and homeowners often contact our Horticulture Hotline at Cornell Cooperative Extension in Oriskany when they notice a grayish blue-green crusty or mossy looking growth on trees, shrubs, ...

I know many of us want winter to come to an end, but I would like just one more good snowstorm. I love all seasons, but I need a little more of that winter bleakness in the woods, primarily to help me ...