Norway Spruce Problem

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

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1 Comment To "Norway Spruce Problem"

#1 Comment By GKH_Susan On 10/10/2026 @ 5:08 pm

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 ^[1]

https://purdueplantdoctor.com/factsheet/tree-224 ^[2]

https://extension.entm.purdue.edu/publications/E-56.pdf ^[3]

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URLs in this post:

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

[2] https://purdueplantdoctor.com/factsheet/tree-224: https://purdueplantdoctor.com/factsheet/tree-224

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

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