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3 Sick Pine Trees #733394
Asked November 06, 2020, 2:57 PM EST
Calhoun County Michigan
Expert Response
I’m sorry to hear about your trees. I wonder if you can send me a photo of them so that we can identify the species and determine what the problem is.
if you would prefer to contact a certified arborist, go to www.treesaregood.org , the website of the International Society of Arboriculture, to find an arborist in your area.
Thank you for contacting Ask an Expert.
Hello
The trees in the picture are Colorado blue spruce. Colorado blue spruce have many problems. They are susceptible to several diseases and are attacked by many insects. .
I’m attaching an article from Bert Cregg of MSU which explains all the problems that these trees have and why they have them. https://www.canr.msu.edu/news/what_is_spruce_decline_and_what_should_you_do_about_it
As I suggested, In order to treat them, I suggest that you contact a certified arborist at: https://www.treesaregood.org , the website of the International Society of Arboriculture to find an arborist in your area.
Good luck with your trees. Thank you for contacting Ask an Expert.