Grows 8,000 - 11,500 ft. near Engelman Spruce but it is more silvery & blue, has longer, sharper needles, bigger cones & grey bark. Hailed as the most beautiful evergreen it has traveled the world. As a grown-up, it is drought tolerant at 7,000 ft., but lower give it extra water winter & summer. Plant out - no pretreatment needed. Zone 2