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 ...

Answer: That orange growth is lichen, not a rust pathogen. Lichen do not harm the tree or shrub in any way. They tend to grow only on that outer bark and stay there, not growing deeper into live ...

If the tree needs pruning, then the effort will pay the gardener back with a healthier tree and less lichen. A 27-year-old crab has reached its mature size - height and spread.

Q. My desert cassia is dying back and I recently lost an Alexander palm. Both plants have lichen-like grayish patches on their trunks. Could these patches kill the trees? — David Walter ...

The growth observed on the trees is lichen. Lichen is actually composed of two different organisms, an algae and a fungus, which grow together for the mutual benefit of one another. These crusty ...

Trees and shrubs often have this sporadic growth on limbs and branches called lichen. Lichens are very common occurrence in our landscapes. The unusual growth is a type of hardy algae that ...

Sandra in Saugerties Lichen is formed by a symbiotic relationship ... A ponytail palm is also known as the elephant-foot tree and bottle palm. Often grown as a houseplant in cold climates, this ...

They often wonder if this is a sign of disease or if the tree or shrub is dying. The good news is that lichens (pronounced "likens") are not harmful to plants. They are considered an indicator of ...

The presence of lichen or moss on backyard trees can understandably be concerning at first. Lichen is a combination of algae and fungus that lives on any number of solid, undisturbed surfaces ...

What could possibly be inspiring about that green stuff covering Oregon’s trees? Lichen is a an ecological wonder that reveals it's beauty on a microscopic scale. It can also teach us volumes ...

An attempt has been made to save one of England’s rarest lichens by transferring it from a fallen oak to nearby trees, the National Trust said. The lungwort lichen (Lobaria pumonaria ...