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Dwarf Hydrangea Tree #918278

Asked September 22, 2025, 6:31 PM EDT

Hello, I have 2 Dwarf hydrangea trees that have not been trimmed back in several years but do not look healthy. Would you suggest trimming them this fall? Are there diseases they can get? Their leaves are quite small and did not bloom this year.

Scott County Minnesota

Expert Response

These web sites should answer your questions. 
https://ask.extension.org/kb/faq.php?id=880164
https://plants.ces.ncsu.edu/plants/hydrangea-paniculata/
https://extension.umd.edu/resource/pruning-hydrangeas/
https://extension.umn.edu/trees-and-shrubs/pruning-hydrangeas
Linda G Tenneson, Benton County Extension Master Gardener & Tree Care Advisor Replied September 22, 2025, 6:44 PM EDT

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