Birch Trees

Tree Sap Problem

Anonymous added on August 13, 2011 | Answered

We live in Aurora Co. We have a river birch tree that faces the west. We have noticed sap oozing down the trunk. It looks grayish/white. We have also noticed a hissing sound. Should we treat the tree with anything?

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Certified GKH Gardening Expert
Answered on August 14, 2011

Sound like slime flux, or bacterial wetwood. This article should help:

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