Knowledgebase

Lilacs #878135

Asked July 21, 2024, 3:16 PM EDT

My lilacs in the last few weeks have had the leaves wither and die. The seed pods are still green after a good bloom this spring. Why are they brown and how should I treat this. Alot of the neighbors have the same issues

Chisago County Minnesota

Expert Response

Good Morning MaDonna, 

Thank you for contacting the U of M Extension Service. 

Please click on the following link from the U of M Extension Yard and Garden website: 

https://extension.umn.edu/plant-diseases/leaf-spot-diseases-trees-and-shrubs#bacterial-leaf-spots-and-blight-1156513

Bacterial blight is a common disease of lilacs in Minnesota. Please scroll to the information on management of the disease. 

Good Luck!

Maureen Graber Replied July 22, 2024, 8:13 AM EDT

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