Q: Bill, on the bark of my Crepe Myrtles, I noticed grayish growth. I can peel this growth off fairly easily. What is this growth and is it hurting my tree? A: It sounds like you have lichens. Lichens ...

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 ...

Elizabeth has worked since 2010 as a writer and consultant covering gardening, permaculture, and sustainable living. She has also written a number of books and e-books on gardens and gardening. Haley ...

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, ...

Lichen planus is more of a chronic discomfort than a serious health concern. However, people with the oral form have a slightly higher risk of developing oral cancer. Lichen planus is a group of ...