pear DEAR EMAILER: Green masses growing on tree trunks or branches could be lichens, moss or algae. Lichens are unsightly organisms that look menacing but in reality cause no harm. They actually ...

The substance is powdery and appears to be growing on top of the bark. It powders off when touched. In a few areas where moss grows on the tree, moss has fallen off and the powdery substance is ...

Ball moss, like Spanish moss ... It clings to the outer (dead) bark of the tree with its pseudo roots. It obtains its nutrients from the air and from moisture run-off from the tree.

And, it’s not moss, which may be more on the north-facing side of the tree. Some may already have guessed that those ... on frozen substrata in the polar regions, on the bark of trees, and on the ...

Now that deciduous trees are bare, trunks and branches have taken center ... can threaten to damage branches. To discourage moss growth on a tree, prune branches in the center of the canopy ...

With lichen, you can apply a soapy solution and gently scrub the tree bark with a soft-bristled brush before rinsing it off. You can also use a brush to scrub off moss, or you may consider using a ...