Knowledgebase

black ooze leaking from Oak tree #869299

Asked May 20, 2024, 3:17 PM EDT

Hi

I have a Oak tree leaking black ooze from base of the tree that is staining the bark under the leak. is this something to be concerned about? and if so what should I do about it.

and what could be causing it.

Ken.

Denver County Colorado

Expert Response

It is difficult to identify the problem via a photograph but the picture does look concerning and your best option is to contact a tree professional for an on-site evaluation of the tree.  If you need a name of a professional you can contact Associated Landscape Contractors of Colorado.  http://www.alcc.com   
Colorado Master Gardener, Denver County Replied May 21, 2024, 4:14 PM EDT

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