Ask Mr Burger – My Colorado Blue Spruce tree is all brown in the middleand losing its needles; what is the problem?

Ask a Forester: Are Fading Evergreen Needles Normal in the Fall?, Colorado State Forest Service

Ask Mr Burger – My Colorado Blue Spruce tree is all brown in the middleand losing its needles; what is the problem?

What's Wrong with my Colorado Blue Spruce Tree?

Why is my blue spruce dying? - My Icon Media

In the Garden - Blue Spruce Disease

Flora Wonder Blog

Is Your Blue Spruce Dying?

Spruce trees turning brown? Here's what might be going wrong - Anchorage Daily News

Browning needles in spruce trees

Q&A – My spruce is browning at the bottom. How do I save my tree?

Those who dream by day are cognizant of many things which escape those who dream only by night - ART FLAIR

The Problem with Blue Spruces - Cherokee Tree Care

Colorado blue spruce turning brown and dying from the bottom up : r/plantclinic