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Pinus monticola Douglas ex D. Don
Western White Pine
Pinaceae (Pine Family)
Synonym(s): Pinus strobus var. monticola
USDA Symbol: PIMO3
USDA Native Status: L48 (N), CAN (N)
This 45-150 ft., sometimes taller, evergreen forms a slender crown in thick stands or becomes more open and spreading when exposed. Branchlets are stout, bearing soft-textured, blue-green needles in groups of five. Bark is gray and smooth at first, becoming checked with flaking scales.
An important timber tree, Western White Pine is also a leading match wood, because of its uniformly high grade without knots, twisted grain or discoloration. It is one of the world's largest pines; the champion near Medford, Oregon, is 239' (72.8 m) tall. White pine blister rust, caused by an introduced fungus (Cronartium ribicola), is a serious disease of this and other 5-needle white pines; a resistant strain is being developed.
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Plant CharacteristicsDuration: Perennial
Leaf Retention: Evergreen
Leaf Arrangement: Fascicled
Leaf Complexity: Simple
Leaf Shape: Linear
Breeding System: Flowers Unisexual , Monoecious
Fruit Type: Cone
Size Notes: Up to about 225 feet tall. Often much shorter
Bloom InformationBloom Color: Yellow
Bloom Time: Apr
DistributionUSA: CA , ID , MT , NV , OR , UT , WA
Native Distribution: Mts. of e. CA & w. NV to s. B.C. & w. Alt.
Native Habitat: Vartiety of mt. sites between 2000-9000 ft.
Growing ConditionsWater Use: Medium
Light Requirement: Sun
Soil Moisture: Dry , Moist
CaCO3 Tolerance: Medium
Drought Tolerance: High
Soil Description: Well-drained soils.
Conditions Comments: Strongly susceptible to white pine blister rust.
PropagationDescription: Grow from seed.
Commercially Avail: yes
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
View propagation protocol from Native Plants Network.
National Wetland Indicator Status
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Native Seed Network - Corvallis, OR
Web ReferenceWebref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Additional resourcesUSDA: Find Pinus monticola in USDA Plants
FNA: Find Pinus monticola in the Flora of North America (if available)
Google: Search Google for Pinus monticola
MetadataRecord Modified: 2022-09-21
Research By: TWC Staff