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Western White Pine

Pinus monticola

Also listed as Pinus porphyrocarpa, Strobus monticola

Also known as Mountain White Pine, Silver Pine, Idaho White Pine

tree☀️ full sun💧💧 moderate water❄ Hardy: Zone 3b – Zone 7b

Climate Match for your location

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A large coniferous evergreen tree native to high mountain regions of the Pacific Northwest, prized for its straight form and soft bluish-green needles. It grows best in cool climates with moderate moisture and full sun exposure.

Why grow it

Western white pine grows notably faster and taller than most other high-elevation pines in its range, making it useful for timber production or windbreaks in suitable climates. Its soft needles and open branching habit distinguish it from denser conifers like Douglas fir, offering different aesthetic and structural properties for landscape design. In cool, well-drained mountain soils, it typically outperforms competitors that demand warmer conditions.

Watch out for

This species has a lengthy establishment period and resents transplanting once mature, so early site selection matters considerably. Young trees benefit from shelter and consistent moisture during their first few years, particularly in drier microclimates within its range.

Overview

Form
conical to columnar
Growth Rate
moderate
Size
40–200′ tall × 20–35′ wide
Dormancy
evergreen
Family
Pinaceae
Biomass and mulchWindbreakWildlife habitat & food

Native to the United States

Native Range

Pacific Northwest mountains (Washington, Oregon, northern California, Idaho, Montana)

Native to: California, Idaho, Montana, Nevada, Oregon, Washington

Seasonality

Season of Interest

SpringSummerFallWinter

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Companion Planting

Plants well with