birch trees - Knowledgebase Question

Mint Hill, No
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Question by besteljo
January 8, 2011
When is the correct time to trim Birch trees. In North Carolina

Answer from NGA
January 8, 2011
Some trees, such as birch, dogwood, elm, honey locust, maple, and walnut exude excessive sap from the wound when pruned in late winter or early spring. Sap flow does not hurt the tree but it is unattractive. To minimize sap flow, these trees are best pruned in late spring, summer, or fall.

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