by Larry Hodgson October 17, 2015 2 Laidback Gardener Tip of the Day Lichens: Harmless to Trees When the leaves begin to fall, sometimes you discover crusty grayish growths on the branches and trunks of your trees.Continue Reading Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pinterest (Opens in new window) Pinterest Like this:Like Loading...