Picea pungens, Herman, D.E. et al. 1996. North Dakota tree handbook. USDA NRCS ND State Soil Conservation Committee
Sunset®: 1-6,14-17
USDA: 2-10
Sun Exposure: Full sun to light shade
Origin: USA (central and southern Rocky Mountains)
Growth Habits: medium to large, pyramidal, evergreen tree, 70 to 115 feet tall (21-33 m), 40 feet in diameter (12 m); yellow-green to bluish or white, four-angled, stiff, needles with sharp points, 0.8 to 1.25 inches long (2-3.2 cm)
Watering Needs: Occasional water
Propagation: Seeds
Picea parryana, 19463 U.S.D.A. Forest Service, courtesy of Hunt Institute
Fruiting Habits:
The Blue Spruce is monoecious. Trees older than 20 years, produce cylindrical, light brown, cones, 2.5 to 4 inches long (6.4-10 cm) with thin, flexible, pointed scales with jagged margins. The seeds are 0.13 inch long (0.3 cm).
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