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 ...

Q. I notice many of my pine trees have lots of bright green-gray things growing on the trunks. Is it a virus? What is this? Is it harming my trees? What can I do to reduce or eliminate it? A. I am ...

Algae, lichens and moss often form green or grey, powdery or mossy, crusty growths on the stems, branches and trunks of trees and shrubs. Pictured here, lichen and moss. This dreary "gray all day" ...

DEAR JESSICA: I have a pear tree that's about 55 years old and have noticed what looks like grass or moss on its limbs. Due to a neighbor's very tall house, this tree does not get much sun, especially ...

Q: There are greenish-gray patches all over the trees in our woods. I’ve heard people talk about lichen and moss killing trees and many of our trees do not look healthy. Do I need to be worried? - ...

Oak wilt is a fungal disease that kills oak trees, spreading through the roots of the interconnected trees. We are about to enter the prime susceptibility time of year (Feb. 1 through June 30), so ...

What came first, the dying branches or the ball moss? A number of gardeners credit the ball moss seen on declining live oak branches as the cause of the decline. The truth is that the ball moss is on ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. Once I got the last of the garden leeks harvested, I started paying ...

Tabi Jackson Gee writes (“Making the most of moss”, House & Home, March 30) entertainingly of the mosses of “Division Bryophyta”. But what about their common neighbours — the lichens? These are ...