Home | About | Search
      Picea pungens forma glauca
    Colorado Blue Spruce ( Colorado Spruce )
       Evergreen Tree
HEIGHT:30 - 60 feet
SPREAD:10 - 20 feet
DISTINCTIONS:Dense, symmetrical, pyramidal form; needles bluish; blue needled seedlings are selected in the nursery when young; many cultivars come from these selections; hardier than green needled types in south central.
LIMITATIONS:Large newly planted trees often slow to get established; susceptible to spruce budworms and spider mites; needles sharp to the touch; pesticides and anti-transpirants dissolve bluish color; needles on newly planted trees turn purplish-brown when dry and under stress. Does not do well near busy roadways or in southeast Alaska; often dies to snowline in the interior.
HARDINESS:SC (Zone 3)
ORIGIN:Rocky Mountains, Colorado, Utah, New Mexico, Wyoming.
CULTIVARS:‘Argentea’ Colorado silver spruce; silvery white. ‘Hoopsii’ Dense growth; pyramidal form; very blue-white color; 40' x 15'.; ‘Koster’ Koster blue spruce; somewhat irregular in habit; silver-blue color. Weeping cultivars available. See entry under Evergreen Shrubs.
_____________________________
Back to List
The information for this Evergreen Tree (65) was last updated on: 2011-01-19 15:00:20
      
leaf
leaf
 
This image has GPS data attached to it! Indicates image with GPS data. Click on it to map the location where the photo was taken.
Green Line
Edit this entry.                   Manage pictures.
                            
Copyright © 2008-19 Blue Skies Solutions, LLC. All Rights Reserved