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, ...

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 ...

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 ...