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Blue Spruce

Q.Colorado Blue Spruce Trees

seasea402 added on November 17, 2015 | Answered

Have 4 CB Spruce trees, all 5’+. Almost all the needles have fallen off one, half the needles on another, just a few on another, and very few on another. The limbs are pliable on all. All have stopped growing. The limbs, in height, and the needles are mostly all tip colored purple or black. Watering has been when weather Hot every three or four days, lots of water, all by hose. Cold now, haven’t watered in 5 weeks, but we have had LOTS of rain, snow and ice. Was going to water today, but it snowed and rained most of yesterday. They are in sad shape. I live in Chino Valley, Arizona 86323, elevation 4,700 ft. I have 3 Austrian Pines, all with brown tips and growing. Also have 50 Arizona Cypress, which are growing and look great, and two Atlas Cedars, which also look great and are doing fine. All are watered and fertilized the same. I need advice.

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Answered on November 18, 2015

When you have multiple trees effected with the same symptoms you are likely dealing with a disease of some type.

They symptoms you detail do match the fugal disease Rhizosphaera Needle Cast.
I would recommend you have a certified Arborist examine the trees for a expert diagnosis.
You also can contact your local County Extension Office. They are a valuable tool that may have more information if this problem is effecting other trees in your area. They also may have an reference of an Arborist for you.
Here is a link to find your closest office.

Here is more information about Rhizoshpaera Needle Cast.


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