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Picea pungens 'Koster'
Koster Blue Spruce
Information by: J.J. Neilson Arboretum Photographer:
Description
Picea pungens 'Koster' is an evergreen shrub or tree. It has a slow to moderate growth rate. In gardens, it reaches 30'-60' tall and 10'-20' wide. In the wild, can reach 100' tall and 25'-35' across. Very stiff, regular, horizontal branches from a broad pyramidal foliage have a distinctive blue color. This is a highly combustible plant.