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. tall x wide (zones
The new leaves of this Picea pungens cultivar are less blue and more silver coloured. Other cultivars of Picea pungens which are all very similar, are 'Hoopsii', 'Thompson', 'Hoto' and 'Kosteri'. The cultivar in this photos is Picea pungens 'Thompson'.