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Common Name: Engelmann Spruce
Family:
Pinaceae
Entry Author: K. Rice
Description: Straight trunk with narrowly conic crown.
Needles: 1 - 1-1/8 in. long blue-green in color.
Cones: 1 - 2-1/2 in. long with thin papery scales.
Bark: Thin and broken into large purplish brown to russet-red, thin, loosely attached scales.
Branching Pattern:
Height: 100 - 120 ft.
Life Span: 400 years on average.
Zone: 2 to 5
Conditions/Habitat/Kind of Forest: Deep, rich, loamy soils with high moisture content.
Range: Canada: Alberta, British Columbia; USA: Washington, Idaho, Montana, Wyoming, Colorado, Oregon, California, Nevada, Utah, Arizona, and New Mexico.
Hardiness Zone: 2 to 5
Ecological Interactions: The Englemann Spruce bark beetle has damaged mature trees in the Rocky mountains. There is also concern over spruce budworm infestations.
Conservation Status-US/ World Wide: Low risk of becoming endangered.
References:
Gymnosperm Database, University of Bonn
http://www.botanik.uni-bonn.de/conifers/pi/pic/engelmannii.htm
Harlow, William M., Harrar, Ellwood S., and White, Fred M. (1979). Textbook of Dendrology Covering the Important Forest Trees of the United States and Canada. New York. McGraw-Hill Book Company.
IUCN Red List of Threatened Species
http://www.iucnredlist.org/search/search.php?freetext=Picea+engelmanni
Missouri Botanical Gardens Kemper Center for Home Gardening
http://www.mobot.org/gardeninghelp/plantfinder/Plant.asp?
Needles