blue spruce
- any of several varieties of a North American spruce (Picea pungens) having sharply pointed, bluish-green needles: often grown as an ornamental
- the wood of such a tree
See blue spruce in American Heritage Dictionary 4
noun A Rocky Mountain tree (Picea pungens) having silvery-blue or blue-green, four-angled, needlelike leaves and cylindrical cones. It is extensively cultivated as an ornamental. Also called Colorado blue spruce.
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