Blue spruce (Picea pungens f. glauca), also called Colorado blue spruce, is a beautiful tree with blue-gray needles. Being colorful and relatively drought tolerant, it’s a favorite of many homeowners ...

Q: During the fall of 2015, we planted four Colorado Blue Spruce trees that were 18 to 20 feet tall. They were installed by a tree mover, then secured with straps and stakes. Last year we added six ...