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.
Blue Spruce dying from bottom on up
Blog
How to Make your Blue Spruce Bluer! - Laidback Gardener
What's wrong with my plant? : Garden : University of Minnesota Extension
Blue Spruce turning brown
How to Grow Colorado Blue Spruce Trees - Colorado Spruces
What is spruce decline and what should you do about it? - Christmas Trees
Blue Spruce Tree Needles Turning Yellow, Brown, Then Dropping? Check for…
Why is my evergreen turning brown and losing needles? - Gardening at USask - College of Agriculture and Bioresources
Pest alert – Colorado Blue Spruce Issues