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Deformed hydrangea leaves and flowers #932700
Asked May 23, 2026, 8:21 PM EDT
Hennepin County Minnesota
Expert Response
Thanks for the question. Sounds like it could be herbicide damage, or possibly a virus. Here is a link to more information: https://apps.extension.umn.edu/garden/diagnose/plant/deciduous/hydrangea/curledcuppeddistortedleaves.html
Paul -Master Gardener volunteer