Populus trichocarpa – Western balsam poplar, Black cottonwood

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Salicaceae

Populus trichocarpa – Western balsam poplar, Black cottonwood

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A fast growing tree when young, with a spherical crown that becomes fairly broad and rounded at a later age. Height 30-45 m. The open crown is formed by ascending branches growing in whorls. The grey to yellowish-grey bark starts off smooth but flakes away in small platelets at a later stage. The olive-green twigs are angular. The dark green leaves are elongated to elongated ovoid with a silver-white to greyish-green underside. Bears flowers in the form of catkins. Suitable as a a solitary in public gardens and parks. Sensitive to rust but little sensitive to leaf spot disease. Sensitive to wind and very sensitive to sea wind. Winter hardiness zone: 5a

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Specifications
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Height
30-45 m, fast growing
Crown
round/spherical, half-open crown
Bark and branches
flaking, grey, yellow, green
Leaf
green, greygreen
Flowers
green, flowers in April, fragrant flowers
Fruits
green
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
clayed soil, loamy soil, sandy soil
Soil moisture
suitable for wet soil
Paving
tolerates no paving
Winter hardiness zone
5a (-28,8 to -26,1 °C)
Wind resistance
bad
Other resistances
resistant to frost (WH 1 - 6)
Application
avenues and broad streets, parks, windbreaks
Shape
clearstem tree
Clear stem tree clay soil loamy soil sandy soil tolerates no paving light-loving resistant to frost (WH 1 - 6) suitable for wet soil 1st size , taller than 12 metres half-open crown green greygreen green fast growing non-toxic (usually) Fragrant flowers
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Frequently asked questions
Populus trichocarpa

Populus trichocarpa can eventually reach a height of 30-45 m, fast growing, depending on the site and climate conditions.

Populus trichocarpa is fast growing and can eventually reach a height of 30-45 m, fast growing, depending on the site and climate conditions.

The right time to plant Populus trichocarpa is during the dormancy period. In Western Europe, Populus trichocarpa with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.

Populus trichocarpa blooms in april.
General