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Walnut Trees

Q.Leaking Tree Sap

Anonymous added on April 23, 2011 | Answered

In pruning some branches off a large walnut tree, sap is leaking out like a dripping tap. Do I need to worry about this? If so, what do I do?

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Certified GKH Gardening Expert
Answered on April 24, 2011

Sap flow does not hurt the tree. Some trees have free-flowing sap that “bleeds” after late winter or early spring pruning. Pruning in early to midsummer, after the leaves have matured, will prevent unsightly sap flow.

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