Eastern White Pine, Weymouth Pine (Pinus strobus)

Pictures

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  Appearance

  Loosely arranged large tree with an irregular cylindrical habit. The bark is completely smooth and only becomes fissured with age. The slender pale brown cones are resinous. The Weymouth Pine has soft, blue-green brush-like terminally borne needles.

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  Leaves

  Blue-green, pointed soft needles, 5-12 cm long, 0.1cm wide. Arranged in groups of 5.

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  Fruits

  Slim cylindrical cones, in groups of 1-3, stalked, pendent, up to 20cm long. Green when young, turn purple and then brown when ripe. Leathery woody scales.

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  Bark

  Red-brown, grey or pale brown bark with shallow furrows, glossy grey-green when young, turning brown with age.

Application

Pioneer tree, public areas, parks, private parks

Native regions

Eastern North America

Location parameters

Light: sunny to off-sun, temperature: normal to cool, soil: fresh to moist, soil structure: firm to loose, soil depth: deep to very deep, soil quality: low to medium, pH value: 5.0 to 7.0

Demands

Sun to slight shade; intolerant of heat, frost-hardy; prefers cool, humid locations; moderately dry to moist; in poor and nutrient-rich soils; very intolerant of atmospheric pollution, avoids urban climates

Growth

Height of growth: 15m to 20m, spread: 8m-10m, growth habits: irregular, sparse, good stem-builder, central leader, moderately rapid growth potential

Leaves

Blue-green, pointed soft needles, 5-12 cm long, 0.1cm wide. Arranged in groups of 5.

Flowers

Flowering period IV-VI, male flowers are yellow, female flowers reddish. Male flowers in ears at the bases of long young shoots. Cone-like female flowers.

Fruits

Slim cylindrical cones, in groups of 1-3, stalked, pendent, up to 20cm long. Green when young, turn purple and then brown when ripe. Leathery woody scales.

Bark

Red-brown, grey or pale brown bark with shallow furrows, glossy grey-green when young, turning brown with age.

Roots

Deep-rooting, taprooter

• Pests and diseases of this tree/shrub