Populus balsamifera ssp. trichocarpa (Black Cottonwood)

Short Overview Populus balsamifera ssp. trichocarpa (Black Cottonwood) is a large deciduous tree native to western North America, commonly found along rivers and floodplains. It is one of the tallest native broadleaf trees in its range.

Key Characteristics

Plant type: Deciduous tree (Populus balsamifera subsp. trichocarpa)

Foliage color: Glossy dark green leaves, lighter beneath

Flower color: Inconspicuous catkins

Bloom time: Early spring before leaf emergence

Foliage: Triangular to ovate leaves with serrated margins

Growth habit: Upright, fast-growing tree with broad crown

Mature size: Typically 30–50 m (100–165 ft) tall

General Growing Notes

Light: Full sun

Water: Requires moist soil; tolerates periodic flooding

Soil: Prefers alluvial or well-drained moist soils

Care considerations: Extensive root system; suitable for large landscapes

Note: Growth rate and mature size vary depending on moisture and site conditions.