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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.
Plant Type
Tree, Conifer
Height Range
25-40', 40-60', 60-100'
Flower Color
n/a
Flower Season
n/a
Leaf Color
Blue Green
Bark Color
n/a
Fruit Color
Brown
Fruit Season
Winter, Fall
Water Saving Tip:
Mulching and adding compost to soil can minimize evaporation and help soil absorb and store water.