Blue spruce trees have so much to offer for landscaping. In addition to that, the trees play a significant role in improving the microclimate of an area.
What is spruce decline and what should you do about it? - Christmas Trees
Why Are My Blue Spruces Dying?
Why Do Spruce Trees Show Interior Needle Discoloration? — Plant & Pest Advisory
What is spruce decline and what should you do about it? - Christmas Trees
Help me save my baby blue spruce!
Ask Mr Burger – My Colorado Blue Spruce tree is all brown in the middleand losing its needles; what is the problem?
Blue Spruce Tree Needles Turning Brown?
What is spruce decline and what should you do about it? - Christmas Trees
10 Hard-to-Kill Evergreen Trees - Watters Garden Center
Why is my evergreen turning brown and losing needles? - Gardening at USask - College of Agriculture and Bioresources
Spruce Tree Disease and Remedies - Howard County Landscaping, Construction, Pools - Rhine
How to Grow Colorado Blue Spruce Trees - Colorado Spruces
What's wrong with my plant? : Garden : University of Minnesota Extension
WHY ARE LOWER BRANCHES OF MY SPRUCE DYING? – Owen Tree Service
Garden Questions: Shedding spruce tree, marigold beds and squirrel problems