The size and form of the tree also makes the blue spruce a popular windbreaker tree. Today, the main human use of the blue spruce, other than as an ornamental, is for harvesting Christmas trees and ...

These trees (Picea glauca) grow well in protected sites and require well-draining soil. The Black Hills Spruce variety (P. glauca var. densata) offers blue foliage. These trees grow to 50 feet ...