White spots on red maple branches - Ask Extension
I recently noticed several white rings on the lower branches of a 60 yr old red maple tree in my yard. What should I do about this?
Knowledgebase
White spots on red maple branches #597396
Asked September 17, 2019, 12:40 PM EDT
I recently noticed several white rings on the lower branches of a 60 yr old red maple tree in my yard. What should I do about this?
Macomb County Michigan
Expert Response
Appears to be lichen growth, possibly the growth habit of the tree, or even stretch marks on the bark, such as in pregnancy. Whichever, it is cosmetic and harmless to the tree. Here's more on lichens: https://www.canr.msu.edu/news/what_are_lichens_and_what_are_they_doing_on_my_tree
