how long will sap rise for in a oak tree

We have a large woodland oak next to our garden and the sap is covering everything. How long will this sticky mess go on for?

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1 Comment To "how long will sap rise for in a oak tree"

#1 Comment By Heather On 05/28/2012 @ 10:02 am

If you are still seeing “sap”, then it is not sap. It is honeydew and the tree has a pest infestation (likely aphids). It needs to be treated with a pesticide, preferably a systemic one like neem oil. That should clear up the situation.

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