Yellowing of Blue Spruce Tree #288228 - Ask Extension

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Yellowing of Blue Spruce Tree #288228

Asked November 01, 2015, 3:22 PM EST

We just trimmed this tree by cutting a lot of the low branches. Now we're concerned about the yellowing of the under branches. Any advice? Thank you! Francie Weeks, Towson

Baltimore County Maryland

Expert Response

If you can attach a photo of the tree to a reply, that would be helpful.

Blue spruce struggle in the environment of Maryland and do not live to great age.  They are susceptible to a couple of diseases when stressed. Interior needle browning is commonly an indicator of root dieback, caused by drought or disease.

Here is helpful info from our website: http://extension.umd.edu/hgic/cytospora-canker-spruce

ECN
Should we put something on the cuts to reduce chances of fungus? Thank you!
The Question Asker Replied November 03, 2015, 8:48 AM EST
No, we do not recommend applying anything to the pruning cuts.
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