Fauna
Plant

Blue Spruce

Picea pungens

Also known as Colorado Blue Spruce, Colorado Spruce, Silver Spruce, Parry Spruce

Blue spruces dominate montane river valleys and moist mountain slopes across the central Rocky Mountains with their striking silver-blue foliage. Their sharp, four-angled needles grow radially on stiff branches, creating a dense conical silhouette that provides shelter for overwintering birds and small mammals. Mature trees produce pale brown, papery cones that release winged seeds into winter winds.

ConiferEvergreenMountain Native
Blue Spruce reference1 / 7
(c) Lyrae, some rights reserved (CC BY), uploaded by Lyrae · cc-by
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Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Key facts
Diet & preyAutotrophic (Photosynthesis)
Predators
  • Spruce beetle
  • Western spruce budworm
  • American red squirrel
ThreatsSpruce beetle infestations, needle cast fungal diseases, drought
HabitatsMontane forests, stream valleys, rocky mountain slopes
Life span150–600 years
Classification
  1. OrderPinales
  2. FamilyPinaceae
  3. GenusPicea
  4. SpeciesPicea pungens
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Safe to observe at a normal distance.
Responsible observation
  • Identification: Feel for extremely stiff, sharp needles radiating evenly around smooth yellow-brown twigs.
  • Gardening: Plant in full sun with well-draining soil to maintain vivid blue color and lower branch density.
  • Observation: Look along branch tips in autumn for pale brown hanging cones with papery scales.
Related species
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