Abies lasiocarpa var. arizonica

This conifer from the Family Pinaceae has silver needles and produces red male and purple female cones. It can be trained into a bonsai-like shrub and grows up to 6 meters tall and 3 meters wide if not pruned, tolerant of various soil types and full sun.

• The description claims this plant can grow up to 6 meters tall and 3 meters wide if not pruned.