Insect Pest Control

Sap on Tree

Dana added on September 2, 2017 | Answered

There is sap coming out of the tree trunk. The tree wasn't damaged in any way. Any idea what the problem is and what we should do about it? I've attached a picture of the tree and a close-up of the sap. Thanks!

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Certified GKH Gardening Expert
Answered on September 4, 2017

Your tree has developed a canker, caused by a fungus or bacteria.
Proper care of the tree and keeping the tree watering, fertilized and properly pruned are key.

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