If your ash tree’s canopy is thinning, bark is flaking off in patches, or woodpeckers are suddenly interested in your trunk, ...

Those green-blue growths that you see on tree trunks and branches are not mosses. They are lichens. Lichens are not killing your tree, nor are they causing it to fail. They are telling you ...

A large section of the Sycamore Gap tree, once a beloved landmark along Hadrian’s Wall in Northumberland, is going on permanent display two ...

Q: Mushrooms suddenly appeared on my tree’s trunk. How can I treat them to protect the tree? A: Unfortunately, you can’t treat mushrooms growing out of wood, and the fungal growth that ...