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Western White Pine
Pinus monticola
  
About Western White Pine (Pinus monticola) 1 Nurseries Carry This Plant Western White Pine (Pinus monticola; family Pinaceae) is a species of pine that occurs in the mountains of the western United States and Canada, specifically the Sierra Nevada, the Cascade Range, the Coast Range, and the northern Rocky Mountains. The tree extends down to sea level in many areas, particularly in Oregon and Washington. It is the state tree of Idaho, and is sometimes known as the Idaho Pine. Western White Pine is a large tree, regularly growing to 30-50 meter and exceptionally up to 70 meter tall. It is a member of the white pine group, Pinus subgenus Strobus, and like all members of that group, the leaves ('needles') are in fascicles (bundles) of five, with a deciduous sheath. The needles are finely serrated, and 5-13 centimeter long. The cones are long and slender, 12-32 centimeter long and 3-4 centimeter broad (closed), opening to 5-8 centimeter broad; the scales are thin and flexible. The seeds are small, 4-7 millimeter long, and have a long slender wing 15-22 millimeter long.
Plant Description
Plant Type
Plant Type
Tree

Size
Size
35 - 229.7 ft tall

Form
Form
Pyramidal

Growth Rate
Growth Rate
Fast

Dormancy
Dormancy
Winter Deciduous

Flower Color
Flower Color
Yellow

Flowering Season
Flowering Season
Spring

Wildlife Supported
 


 

Landscaping Information
Sun
Sun
Full Sun, Part Shade

Nurseries
Nurseries

Soil Description
Soil Description
Prefers sandy or loamy soils. Does not grow well in clay soils.

Propagation
Propagation?
For propagating by seed: 1-4 mos. stratification (USDA Forest Service 1974).

Sunset Zones
Sunset Zones?
1, 2, 3, 4*, 5*, 6*, 7, 15, 16

Natural Setting
Climate
Climate
Annual Precipitation: 11.1" - 156.3", Summer Precipitation: 0.25" - 5.95", Coldest Month: 20.6" - 54.1", Hottest Month: 42.1" - 76.2", Humidity: 0.41" - 24.03", Elevation: 116" - 11370"

Alternative Names
Common Names: Idaho Pine, Idaho White Pine, Mountain White Pine, Silver Pine


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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