Colorado Spruce
Q.

Colorado blue spruce turning brown

Zone Sheridan,Wyoming 82801 | samandjohn2 added on October 1, 2016 | Answered

Is this a fungus canker? How do you treat this condition?

A.
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roseman
Answered on October 1, 2016

I would consult a good reputable tree service in your area ASAP. As this could be an attack by the mountain pine beetle. They will best know now to treat the tree and if it can still be saved. If the tips of it are just turning brown it could be a bit too dry or undernourished. I have had my Colorado blue spruce trees respond very well when I have watered them with some water that has a product called Miracid in it. It is from the makers of miracle gro. It could be a fungal attack as well that can be treat with the following fungicides: Bravo Ultrex, Bravo Weather Stik, Chloronil 720, Chlorostar DF,Concord DF, Countdown L + G, Daconil Ultrex. The fungicides can be pricey though and it may be more cost effective to have the local Arborist or tree care service spray them once they have determined the true root cause.

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