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Populus trichocarpa

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Names

Common Names
Black Cottonwood, California Poplar, Balsam Poplar

Growth

Height
30-100 feet
Spread
360-1200 inches
Growth Rate
Very fast-growing, about 1.5–1.6 m per year

Appearance

Bloom Color
Yellow, male catkins reddish-purple, female catkins greenish
Foliage Color
Glossy dark green on the upper surface with a glaucous light grey-green underside.
Fall Foliage Color
Yellow

Environment

Hardiness Zones
Zones 3-8
Sunlight Requirements
Ideally full sun; very intolerant to shade.
Soil Type
Moist, deep alluvial soils with good drainage and aeration
Soil Drainage
Very good drainage
Soil pH
Soil pH range not provided by sources

Lifecycle

Lifecycle
Perennial
Leaf Lifecycle
Deciduous
Seasons of Interest
Spring, Summer, Fall, and Winter
Bloom Time
Spring to Summer

Reproduction

Propagation Methods
Seeds, Layering, Cuttings

Wildlife

Attracts Wildlife
Attracts bees, butterflies, and birds

References

Taxonomy

Taxonomic Rank
Species
Author
Torr. & A.Gray ex Hook.
Publication
Icon. Pl. 9: t. 878. 1851 [1852 publ. Apr-Dec 1851]

Superior Taxa

Kingdom
Plantae
Subkingdom
Pteridobiotina
Phylum
Angiosperms
Order
Malpighiales
Family
Salicaceae
Genus
Populus

Synonyms

Populus trichocarpa var. ingrata Populus balsamifera subsp. trichocarpa Populus trichocarpa var. trichocarpa Populus balsamifera var. californica Populus trichocarpa var. cupulata Populus trichocarpa f. ingrata

References

Taxonomic data from World Flora Online, accessed June 20, 2024

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