Family: Pinaceae

Scientific Name: Picea pungens glauca

Common Name: Colorado Blue Spruce, Blue Spruce

DescriptionA large beautiful bluish colored conifer. Probably one of the more miss and over used of the woody landscape plants.
Pronunciation(PY-see-uh)(PUN-gens)
Plant TypeAll Plants, Trees Coniferous
Hardiness Zone2-6
Sunlightfull
Moistureaverage, doesn't like to be grown in hot dry sites
Soil & Siteprefers rich moist but is very adaptable
FlowersThe cones are 2-4" long.
LeavesThe needles are 3/4" to 1.25" long and very stiff. The color varies from green to very blue
DimensionsThe tree has strong apical dominance causing the formation of a conical shape. It reaches 30-60' tall by 10-20' spread in the landscape. In native sites it will get larger. Allow at least 10-12' from the center of the tree to any structure and looks best if planted in groups.
MaintenanceThe secret to keeping this tree healthy and looking good is to prevent the bottom branches from being damaged by lawn mowers, weed whips, etc. Create a grass-less ring, extending one foot out from the tips of the branches. As the branches grow, expand the ring.
PropagationSeedlings will vary in color from green to blue.
Author's NotesPeople just don't realize the potential size of these plants. Many times they are purchased as small, inexpensive plants and than planted to close to the driveway, side walk or house. I have seen Spruce planted between the sidewalk and the house. Many times I have walked through dark tunnels formed by cutting out bottom branches that have encroached on an area.
Notes & Reference#01-Manual of Woody Landscape Plants (Michael Dirr)
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