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eastern white pine

Pinus strobus · Pinaceae

eastern white pine (Pinus strobus)
Photo: no rights reserved · CC0 · via iNaturalist

eastern white pine (Pinus strobus) is a perennial tree in the Pinaceae family. It is native to North America. USDA records it as hardy in zone 3 and warmer, down to about -33°F.

At a glance

Typetree USDA
Lifecycleperennial USDA
Native statusnative USDA
Mature height150 ft USDA
Lightpart-shade USDA
Water needmedium USDA
Growth raterapid USDA
Soil pH4–6.5 USDA
BloomMay–June USDA
Flower colorRed USDA
Hardiness zones3 and warmer USDA
Guild layercanopy Derived
Nursery availabilityRoutinely Available USDA

USDA quoted from the USDA PLANTS database · Derived computed by a fixed rule from those columns. No value on this page is estimated.

Growing conditions

It grows in partial shade. USDA rates it as having moderate water needs. Its drought tolerance is rated none — it needs reliable moisture. It will not tolerate waterlogged soil — USDA rates its anaerobic tolerance as none. It is recorded on soils from pH 4 to 6.5 — a broad range that spans acidic through mildly alkaline ground. Its cold limit is zone 3.

Size and growth

At maturity it reaches about 150 ft, making it a large tree that will dominate its site. It grows quickly.

Bloom period

USDA records a bloom period of May through June. Flowers are red.

A flowering date, not a pollinator rating.

Foliage, flower and season

Summer foliage is dark green, fine in texture. Its flowers are not conspicuous — a plant for form and foliage. Its fruit or seed heads are conspicuous, extending interest past flowering. Its active growth period is spring and summer. Its winter foliage is dense, which makes it useful for year-round screening. USDA rates its lifespan as moderate.

What the site needs to provide

USDA records it across sites receiving 20 to 80 inches of annual precipitation. It needs at least 90 frost-free days to finish its season. It roots to at least 40 inches, too deep for containers or thin soil over bedrock. Fertility requirement: low — no feeding needed on ordinary garden soil.

Propagating it

It takes readily from seed, cuttings, bare root and container stock. Seed needs cold stratification — a period of moist chilling — before it will germinate, so sow in autumn or chill it artificially before a spring sowing. Its seed spreads at a slow rate. It does not spread vegetatively, so it will stay where you put it.

Resilience and wildlife

Browsing animals find it moderately palatable, so expect deer and rabbits to take an interest. Its fire tolerance is rated none. Its growth form is recorded as single stem.

Role in a guild

Canopy. In a layered planting this is the tallest layer of a planting — it sets the light budget everything beneath it lives on. The layer is derived by a fixed rule from growth habit and mature height.

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Tags

evergreennativefast-growingcanopy

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Where this data comes from

Every value on this page comes from the USDA PLANTS database record for symbol PIST, or is computed from those values by a fixed rule. Nothing here is estimated or model-generated. Where USDA publishes no value, this page omits the claim rather than filling the gap.

Read our full data sources and methodology.

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