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Q.Norway Spruce Problem

Zone Delmar NY 12054 | Anonymous added on October 5, 2026 | Answered

Hello, Please help me to identify the problem with my Norway spruce. Thank you. Olga

A.Answers to this queston: Add Answer
GKH_Susan
Certified GKH Gardening Expert
Answered on October 10, 2026

It looks like spruce galls caused by an insect. They can be pruned off or you can use horticultural oil treatments at correct times. These articles will help:

https://extension.illinois.edu/sites/default/files/plant-clinic-report-spruce.pdf

https://purdueplantdoctor.com/factsheet/tree-224

https://extension.entm.purdue.edu/publications/E-56.pdf

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