Thuja occidentalis ‘Degroot's Spire’ compact columnar arborvitae is very popular because of its narrow, columnar form with dense green foliage that sometimes twists and layers over itself. 8ft tall x 1.5ft wide (zones 4-8)
Irish Yew (Taxus Baccata 'Stricta' 'Fastigiata') - Zone 6-9 Part-Full Sun 8'-20' Height 3'-8' Width Alternative to Eastern Arborvitae (Thuja occidentalis). Very slow growing, narrow, upright columnar shaped evergreen tree with green needles (larger than English Yews) and red (poisonous) berries. Excellent choice for tall hedging or screen where space is limited or under power lines.Takes pruning exceptionally well, and tolerates shearing. Tolerant of shade, drought tolerant once established.