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Engelmann Spruce
Picea engelmannii
  
About Engelmann Spruce (Picea engelmannii) 1 Nurseries Carry This Plant Picea engelmannii (Engelmann Spruce) is a species of spruce native to western North America, from central British Columbia and southwest Alberta, southwest to northern California and southeast to Arizona and New Mexico; there are also two isolated populations in northern Mexico. It is mostly a high altitude mountain tree, growing at 900-3650 meter altitude, rarely lower in the northwest of the range; in many areas it reaches the alpine tree line. It is a medium-sized to large evergreen tree growing to 25-40 meter tall, exceptionally to 65 meter tall, and with a trunk diameter of up to 1.5 meter. The bark is thin and scaly, flaking off in small circular plates 5-10 centimeter across. The crown is narrow conic in young trees, becoming cylindric in older trees. The shoots are buff-brown to orange-brown, usually densely hairy, and with prominent pulvini. The leaves are needle-like, 15-30 millimeter long, rhombic in cross-section, waxy pale blue-green above with several thin lines of stomata, and blue-white below with two broad bands of stomata.
Plant Description
Plant Type
Plant Type
Tree

Size
Size
30 - 213.3 ft tall

Form
Form
Pyramidal

Growth Rate
Growth Rate
Slow

Dormancy
Dormancy
Evergreen

Flower Color
Flower Color
Yellow

Flowering Season
Flowering Season
Spring

Wildlife Supported
 


 
Butterflies & moths hosted ( 6 confirmed , 19 likely * ) SHOW ALL

Landscaping Information
Sun
Sun
Full Sun, Part Shade

Moisture
Moisture
Moderate - High

Nurseries
Nurseries

Soil Description
Soil Description
Prefers loamy or clay soils. Grows poorly in sandy soils.

Common uses
Common uses
Deer Resistant

Propagation
Propagation?
For propagating by seed: No treatment. (USDA Forest Service 1974).

Natural Setting
Site Type
Site Type
Moist places

Climate
Climate
Annual Precipitation: 19.6" - 69.7", Summer Precipitation: 1.14" - 3.19", Coldest Month: 34.3" - 41.1", Hottest Month: 53.5" - 66.6", Humidity: 1.50" - 19.97", Elevation: 2838" - 7068"

Alternative Names
Common Names: Columbian Spruce, Engelmann's Spruce, Mountain Spruce, Silver Spruce, White Spruce


Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora


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