Picea pungens 'Koster'
Koster Blue Spruce
Description
Picea pungens 'Koster' is an evergreen shrub or tree. Slow to moderate growth rate. In gardens, reaches 30'-60' tall, 10'-20' wide. In the wild, can reach 100' tall, 25'-35' across. Very stiff, regular, horizontal branches from a broad pyramid. Foliage is a distinctive blue color.
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
Leaf Season
Evergreen
Sun
Full
Water
Very Low, Low, Medium
Growth Rate
Slow
Soil Type
Sandy, Clay, Loam, Rocky, Unparticular
Soil Condition
Average, Rich, Poor, Well-drained, Moist, Dry
Soil pH
Acid, Neutral, Basic
Adverse Factors
n/a
Design Styles
Formal, Ranch
Accenting Features
Specimen, Unusual Foliage
Seasonal Interest
n/a
Location Uses
Background, Lawn, Park
Special Uses
Screen
Attracts Wildlife
n/a
Water Saving Tip:
Apply as little fertilizer as possible.
If you use fertilizer make sure it stays on the landscape, and carefully water it in so there is NO runoff.