Moss and black spots, a stubborn type of lichen, give homeowners a headache when it comes to their patios as they cling tenaciously to surfaces, resisting even the most vigorous pressure washing ...

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" ...

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 ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Although a moss-covered roof conjures up images of fairytale cottages, the presence of ...

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 ...