Drooling Difficulties: What to do about Tree Bleeding
Q: I have a poplar tree providing wonderful shade for my house. This spring it developed two places on it that look like it is bleeding. A black substance is drooling down the side of the tree for 18 to 20 inches. Is there something I can do?
A: Your tree has a problem called slime flux. The drooling results from a bacterial infection under the bark. The bacteria feed on the sap that is flowing generously now, and their waste products come through the bark. Depending on which bacteria is infecting the tree, the drool can smell like vinegar or alcohol. The best treatment is to wash it off the bark and let the tree fight the infection by itself.
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