Colorado blue spruce
Picea pungens f. glauca
Overview
Colorado blue spruce is an evergreen conifer native to the Rocky Mountains of North America. Its glossy blue-green needles span from 1.5–3.5 cm long, arranged symmetrically around each branch. It grows to about 26–40 m tall, with a pyramidal to conical form. The bark is grey-brown, scaling off. As it matures, the ascending branches form a pyramidal shape. Colorado blue spruce is a popular ornamental tree. Its dense foliage and beautiful blue color provide an interesting landscape feature. It is an extremely hardy and drought tolerant tree, able to survive temperatures as low as -51°C. It grows best in acidic, well-draining soil and full sun.
Care Guide
Watering
Minimum — every "7-10" days.
Light
Full sun.
Soil
Well-drained
Temperature
Hardiness zone 3-3.
Pruning
Best pruned in March, April, May, March, April.
Propagation
Seed Propagation, Grafting Propagation
Diseases & Pests
Common pests: Mites.
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