Blue Spruce

Colorado Blue Spruce

Deborah King added on May 21, 2017 | Answered

My husband sprayed my blue spruce for insects and now the tips are blue but the rest is a light green color. Will the rest blue back blue after a while?

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Certified GKH Gardening Expert
Answered on May 23, 2017

I did find reference to certain pesticides can cause color change in Colorado Spruce. I have not been able to find any reverse to this situation.

These links have more information.

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