Abies alba 'Green Spiral' (firma)
'Green Spiral' is a form of a European Silver Fir that grows up to be 30ft in height. It is a pendulous, upright, and narrow grower that does not produce any cones. Hardy in Zones 6-9, can typically tolerate between 0 to -10 F. Grafted on Abies firma. [12' in 10 years. Zones 6-9]
For more information, visit 'Green Spiral' on the American Conifer Society.