Spruce branch turning yellow - Ask Extension
In the last couple of weeks a single branch on an old spruce is turning yellow. No pests visible, nor any I can shake off. Rest of tree seems ok. ...
Knowledgebase
Spruce branch turning yellow #772540
Asked September 21, 2021, 1:22 PM EDT
In the last couple of weeks a single branch on an old spruce is turning yellow. No pests visible, nor any I can shake off. Rest of tree seems ok. Any ideas?
Olmsted County Minnesota
Expert Response
We don't know why the needles are yellow on the branch shown in the photos. The following publications which discuss similar symptoms may suggest possibilities.