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 ft. tall, 10-20 ft. wide. In the wild, can reach 100 ft. tall, 25-35 ft. across. Very stiff, regular, horizontal branches from a broad pyramid. Foliage is a distinctive blue color.
Sun
Full
Water
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
Check the soil's moisture level before watering.
You can reduce your water use 20-50% by regularly checking the soil before watering.