Definition

1. Noun:
   • A tall evergreen tree (Picea pungens) characterized by its blue-green to silvery-blue needles, dense conical crown when young, and a growth habit that becomes more columnar with age, with its lower branches often sweeping downward. It is native to the Rocky Mountains of the United States and is widely cultivated as an ornamental tree.

Usage Examples

• Noun:
  • The Colorado blue spruce in the front yard is the centerpiece of our winter landscape.
  • We selected a Colorado blue spruce for its striking silvery-blue foliage.
  • The older Colorado blue spruce near the fence has developed a beautiful columnar shape.

Advanced Usage

• Horticultural Context: The term is often used in botanical, landscaping, and gardening contexts to specify this particular cultivar or species of spruce, prized for its color and form.
  • For a formal garden, the Colorado blue spruce provides excellent structure and year-round interest.

Variants and Related Words

• Blue spruce: A common shorter name for the same tree species.
• Picea pungens: The scientific (Latin) name for the Colorado blue spruce.
• Colorado spruce: Another variant name, though it may refer to trees with greener needles.

Synonyms

• Silver spruce: Refers to the same tree, emphasizing its silvery needle color.
• Green spruce: This is not a direct synonym, as it typically refers to other spruce species with predominantly green needles, such as (Norway spruce).

Related Phrases

• "Glauca" cultivars: Many cultivated varieties of Colorado blue spruce have the cultivar name 'Glauca' (e.g., 'Glauca'), indicating a pronounced blue color.
  • The Colorado blue spruce 'Glauca Pendula' has a distinctive weeping form.

Noun

1. tall spruce with blue-green needles and dense conic crown; older trees become columnar with lower branches sweeping downward