The Colorado Blue Spruce tree, Picea Pungens, is a pyramidal shaped evergreen with steel blue foliage. It prefers heavier soils, full sun, and clean cultivation. Colorado Blue Spruce trees will reach a height of six feet in eight years on a good site, starting with a 2 year old seedling. The Blue Spruce is probably the most drought tolerant of all spruce trees. This evergreen conifer is widely used in windbreaks or as an ornamental yard tree. Not all plants will be blue. Each bundle will contain a mixture of blue, blue-green and green seedlings. A handsome ornamental specimen for use as a dense, colorful screen or windbreak. Space 6 ft. apart when used as a screen or windbreak.