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Black willow
Also known as: Swamp willow
Black willow (Salix nigra) is a fast-growing tree that may reach heights of 43 m. These willows are important as early spring food sources for wildlife, for erosion control, and are sometimes used for ornamental planting in particularly wet soils. The soft lumber from the black willow is used to produce wooden shipping boxes.
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Perennial
Lifespan
Tree
Plant Type
Spring
Bloom Time
Spring, Summer
Harvest Time
21 m to 24 m
Plant Height
9 m to 18 m
Spread
Green
Leaf Color
2.5 cm to 8 cm
Flower Size
Brown, Red, Copper, Burgundy
Fruit Color
Yellow, Green, Gold
Flower Color
Rapid
Growth Rate

Images of Black willow

Attributes of Black willow

Growth Rate
Given its rapid growth rate, black willow manifests significant vegetative progression primarily in spring and summer, characterized by accelerated leaf production and swift vertical expansion. Height increases of 1.5-3m/year during this period make black willow one of the fastest-growing willow species.

Distribution of Black willow

Distribution Map
Black willow is native to eastern and southern North America. It is found in the moist soils of waterways and lakes. It has been introduced in France, Germany and Australia. It is reported to be invasive in Australia.
Native
Cultivated
Invasive
Introduced
No species reported
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Habitat
By streamsides, shores and rich low woods
Hemisphere Trend Curve

Culture

Garden Use
The black willow tree is chosen by gardens in cool, humid climates for its beauty, fast growth, and ability to adapt to a variety of soil conditions. It is a water-loving plant and does best in boggy areas as long as the soil is not too waterlogged to support the tree. It is thus a great addition to rain gardens, beside ponds, or sunny spots in your garden that never entirely dry out.
Symbolism
Love, Divination, Protection
Name Story
Black willow: It is a medium-sized deciduous tree which is considered the largest North American species of willow. As the tree bark varies from dark brown to blackish, it is called black willow.
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Quickly Identify Black willow

1
Yellowish-green, non-showy flowers in catkins during early spring.
2
Reddish-brown capsules with fluffy appearance, wind-dispersed seeds.
3
Narrow lanceolate leaves, toothed edges, green to yellow in fall.
4
Slender stem, brittle twigs, irregular branching pattern.
5
Bark variation from light to dark, deep furrows, shaggy scales.
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Care Guide for Black willow

Every 1-2 weeks
Water
Full sun
Sunlight
5 - 35 ℃
Ideal Temperature
Garden Soil
Soil Type
Water: Black willow thrives in moist, waterlogged environments and requires moderate watering every 1-2 weeks. It prefers well-draining soil and consistent moisture, reflecting its native habitat near wetlands and streams for optimal growth.
Fertilize: Fertilize black willow biannually with balanced nutrition fertilizers, particularly high-nitrogen during growth phases. Use cautiously to prevent burn. Adapt fertilization based on growth stages. Conduct annual soil tests to customize fertilization for black willow's needs, promoting robust health and growth.
Pruning: Black willow thrives in moist environments and grows rapidly. Prune in early spring by removing dead branches, thinning crowding, and shaping the plant. Regular pruning maintains structure and prevents overgrowth. Use clean, sharp tools to ensure healthy, vigorous cuts.
Propagation: Black willow is a fast-growing, deciduous species thriving in wetlands. Successful propagation involves using healthy stem cuttings in moist soil, ensuring humidity without waterlogging. This species is ideal for riparian plantings due to its natural affinity for wet environments.
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