Colorado Blue Spruce (Picea pungens)

Colorado Blue Spruce is a striking evergreen conifer native to the Rocky Mountains. It is known for its symmetrical, pyramidal shape and distinctive silvery-blue to blue-green needles. Often used as a specimen tree, windbreak, or living Christmas tree, it adds year-round color and structure to the landscape. It’s cold-hardy and long-lived, making it a favorite in northern climates.

Category

Sun Needs:

  • Full sun
  • Requires at least 6 hours of direct sunlight daily
  • Tolerates some light shade but may lose lower branches over time

Bloom Time:

  • Spring (not grown for flowers)
  • Produces small, reddish male and female cones
  • Female cones mature into cylindrical, light brown cones
Size:

Height: 30 to 60 feet tall (can reach up to 75 feet in ideal conditions)
Width: 10 to 20 feet wide

Attributes:
  • Dense, pyramidal form with stiff, sharp needles
  • Silvery-blue to blue-green foliage
  • Long, cylindrical cones (2–4 inches)
  • Cold-hardy and wind-tolerant
  • Provides excellent cover and nesting for birds
  • Popular as a landscape specimen or privacy screen
Care Tips:
  • Plant in well-drained, slightly acidic soil
  • Water regularly during establishment; moderately drought-tolerant once mature
  • Mulch to conserve moisture and protect roots
  • Avoid overwatering or planting in poorly drained soils
  • Prune in late winter if shaping is needed
  • Monitor for pests like spruce gall adelgids, spider mites, and needle cast diseases

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