Colorado Blue Spruce (Picea pungens): History, Characteristics & Cultivation
The most common blue evergreen tree or shrub in the landscape is the Colorado blue spruce (Picea pungens). The blue spruce, also commonly known as Colorado spruce or Colorado blue spruce, is a species of spruce tree native to North America in Arizona, Colorado, Idaho, New Mexico, Utah and Wyoming. Colorado blue spruce (Picea pungens) makes … Read more