Botanical Name: Picea pungens 'Glauca'
Common Name: Colorado Blue Spruce
Type of Plant: conifer: tree
Character evergreen
 
Habit of Growth:
Overall Shape very erect, single-trunked tree, with dense, spreading, stiff branches forming a symmetrical pyramidal canopy; develops a classical "Christmas" tree appearance
Height 25'-50'(100')
Spread 1/3-1/2
Growth Rate slow
 
Environment:
Exposure outdoors full or partial sun
Soil acidic, well-draining soils; avoid dry alkaline locations
Hardiness hardy (zones 1-9, 14-21); thrives in cool humid habitats
 
Morphology:
Leaves needles; very stiff, somewhat curved, spiny-tipped; quadrangular in cross section; 3/4"-1 1/4" long; whorled, dark green
Flowers inconspicuous, in catkins; summer
Fruit the female cone: oval, 2 1/2"-4" long, thin scales
 
Propagation:
seed
 
Usage:
very distinctive accent tree; suitable for use as a lawn tree; excellent for temperate-climate, woodsy landscapes; not as large in So. Calif. as in its native habitats
 
Landscape Care:
Watering regular preferred (with good drainage); plant may get salt burn in wet adobe soils
Fertilizing little required - check for chlorosis in heavy clay soil
Pruning none, except to selectively head back errant branches
Pests/Diseases relatively free
Special Conditions/Other
 
Origin: Rocky Mountains
Family: Pinaceae

Notes:
 
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