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Wasowski, Sally and Andy
Picea pungens Engelm.
Blue spruce, Colorado spruce
Synonym(s): Picea pungens f. argentea, Picea pungens var. glauca
USDA Symbol: PIPU
USDA Native Status: L48 (N), CAN (I)
Naturally conical in shape, the stiff, unbending branches of blue spruce grow outward in a dense pattern creating a formal outline. The tree can become open and poorly-shaped in maturity. Needles are 1/2 - 1 1/4 in., stiff, and vary from green to silver-blue. New growth is light blue. In the wild, blue spruce grows from 50-100 ft., but it is usually shorter in cultivation.
Cultivated varieties of Blue Spruce include several with dramatic bluish-white and silvery-white foliage. It is a popular Christmas tree and is also used in shelterbelts.
Plant CharacteristicsDuration: Perennial Habit: Tree Leaf Complexity: Simple Leaf:
Green Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Apr , May
, WY Native Distribution:
Mts. of w. WY
& e. ID,
s. to AZ
& NM Native Habitat:
Mountain conifer forests
Growing ConditionsWater Use: Medium
Light Requirement: Part Shade
Soil Moisture: Moist
Soil pH: Acidic (pH<6.8)
CaCO3 Tolerance: High
Soil Description: Moist, rich soils.
Conditions Comments: Due to its naturally symetrical form, pruning is seldom necessary and maintenance is minimal. More drought-tolerant than other Picea spp. Subject to spruce gall aphid and other pests.
PropagationDescription: Propagate by seed.
Seed Collection: Not Available
Seed Treatment: Stratification may or may not be necessary.
Commercially Avail: yes
Mr. Smarty Plants says
Columnar evergreen for Colorado
July 04, 2008
I am looking for an evergreen 6-8 (or more) feet tall, very columnar; 3 feet spread in diameter, zone 5, full sun, dark green, clayish-OK soil.
Thank you so much!
view the full question and answer
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
United States Botanic Garden
- Washington, DCNative Seed Network
- Corvallis, OR
Record Last Modified: 2008-04-01
Research By: TWC Staff