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What is this? #877021

Asked July 12, 2024, 4:01 PM EDT

What is this? It doesn’t flower just has the round green balls on it. It was cut back and growing back great but no flowers

Hood River County Oregon

Expert Response

Thank you for your question, Christina. I believe your rose bush has an infestation of wasps, which produce these galls. Here is what they are and what to do about them: https://extension.usu.edu/planthealth/ipm/ornamental-pest-guide/arthopods/gall-wasps/rose-gall-wasps

Good luck!

An Ask Extension Expert Replied July 12, 2024, 6:45 PM EDT

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