Thuja occidentalis Full Speed A Hedge® ('American Pillar' Arborvitae)Extremely narrow habit Easy to care for and fast growing Excellent evergreen texture and feel Hardy and tolerant of both hot and cool temperatures Rapid growth and upright, narrow habit are this plant's calling card as deep green, fan like foliage covers strongly upright branching to create a dense, almost pillar like evergreen that is perfect for screening in narrow areas. Hardiness Zone 3 8 Height 15 20 ft Spread 3 5 ft