Blu-Grn HW6Fx4F Picea pungens
 
A slow-growing pyramidal evergreen conifer with blue-green needles. New growth in spring is cream-white which contrasts nicely with the older foliage. Prefers sun/partial shade in well-drained soil. 6' tall by 4' wide in 10 years. Hardy to -40 degrees. USDA zone 3-7.