Aspen Trees

Dying Aspen Trees


Lori Kallberg added on April 24, 2017 | Answered

I have a home in Sisters Oregon. The aspen trees are getting a black mold or something all over the trunks. It almost look like they have been burned black. Also some others have a split in the bark that runs 4 or five feet lone. The leaves have not budded out yet so don't know what they look like. Thank you. Lori


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ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert
Answered on April 30, 2017

There are several disease and pests that can cause issues for the Aspen Trees.

It may be Sooty Bark Canker.
The images were not very clear, so this link may have more help for you.
http://csfs.colostate.edu/forest-management/common-forest-insects-diseases/common-insects-diseases-of-aspen/#1464022953476-df1454c8-30fc
You can also show the image to your local County Extension Office.
Here is a link to help you locate your nearest office.
https://www.gardeningknowhow.com/extension-search/

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