Knowledgebase
Unknown decay on the tree #873721
Asked June 18, 2024, 9:38 PM EDT
Ingham County Michigan
Expert Response
This could be Armillaria rot on your Norway maple tree. https://ag.umass.edu/landscape/fact-sheets/armillaria-root-butt-rot
The tree should be evaluated on site by a certified arborist. He /she can determine if this tree is at high risk of falling. This is especially important if there are buildings, cars, people within the area where the tree could fall.
Find certified arborists by zip code search here-
http://www.treesaregood.org