Colorado Blue Spruce-Picea pungens
Colorado Blue Spruce-Picea pungens, also commonly known as Green Spruce, White Spruce or Colorado Spruce. It is native to North America and is found in USDA growing zones 1 through 7. Naturally found in Arizona, Colorado, Idaho, New Mexico, Utah and Wyoming, this evergreen grows 60-100' tall at a rate of 1 to 6 inches per year. Stiff, bristly, gray-blue needles are four-angled and point outward from the branches in all directions. Cones often cluster near the top of the tree. Enjoyed for shelter by many species of birds and mammals and is often used as a Christmas tree with its branches used for wreaths. Colorado Blue Spruce grows best in a sunny location with moist, well drained, fertile soil.