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 ...

If you're looking to remove any stains taking over your patio and fences, gardeners have been raving about one particular ...

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" ...

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 ...

Gardeners have been raving about a product that removes algae, lichen and moss from patios and fences without scrubbing or ...

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 ...

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 ...

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If winter's duller palette leaves you yearning for color and flowers have yet to emerge, look more closely on an early spring walk, run or hike. Lichen, with its array of electric orange, green and ...

We often see what we think of as moss growing among tree branches, or we see a crusty, colored coating on the bark of trees or rocks. Sometimes we notice a greenish velvet carpeting on rocks, walls or ...