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Viburnam trilobum Baileys compact #870080

Asked May 25, 2024, 4:16 PM EDT

New growth curled, black sooty matter on stems

Hennepin County Minnesota

Expert Response

It looks like an aphid infestation. Reduce the population by spraying them off with water. Then check regularly and use insecticidal soap:
https://extension.umn.edu/yard-and-garden-insects/aphids

Dennis in St. Louis Park Replied May 25, 2024, 6:03 PM EDT

This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

Viburnam trilobum Baileys compact #870080

Expert Response

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