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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ANSWERS
Downtoearthdigs
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.

https://lawyernursery.com/PDF_static/articles/2010_Jan_What_Makes_My_Blue_Spruce_Blue.pdf

https://www.gardeningknowhow.com/ornamental/trees/colorado-blue-spruce/care-for-colorado-spruce.htm

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