We have a full grown blue spruce and it’s losing its fullness from the inside out

Question

This tree is 30 yrs old and has been doing great until this spring we noticed one side mostly was loosing all the fullness from the inside out. Is it lacking something and is there anything I can do to save it? We always said it was so beautiful it could be a White House tree.

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Answer 1

These articles should help:

https://www.gardeningknowhow.com/plant-problems/disease/needle-cast-in-trees.htm

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