The E.H. Wilson Mimosa is a fast-growing ornamental tree that transforms landscapes with its delicate, fern-like foliage and fragrant pink-fringed flowers blooming from mid-summer into early fall. Also known as the silk tree, this cultivar reaches 30 to 40 feet tall and 20 to 25 feet wide, thriving in hardiness zones 5 through 10 with full sun to partial shade. Beyond its stunning visual appeal, the tree attracts hummingbirds, butterflies, and bees while producing attractive brown seed pods that extend seasonal interest well into the colder months.
300
Partial Sun
High
5-10
480in H x 300in W
—
Moderate
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This cultivar commands attention with its large, fragrant blooms that fade from soft pink to nearly white as they mature, creating a multi-toned display across the canopy from midsummer through early fall. The feathery green foliage gives the entire tree an airy, elegant appearance that softens even formal landscapes. It grows rapidly and naturally becomes a pollinator magnet, turning your garden into a vibrant hub of activity during peak blooming season.
The E.H. Wilson Mimosa functions as a specimen tree and landscape focal point, valued for its ornamental flowers, attractive foliage, and ability to support pollinator populations. Its showy blooms and delicate structure make it popular in gardens designed to attract wildlife, particularly hummingbirds and butterflies that feed on its fragrant flowers throughout the summer season.
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Prune in late winter or early spring to shape the canopy and remove any winter-damaged wood. The E.H. Wilson Mimosa naturally develops an attractive, spreading form, so pruning focuses on maintaining structure and removing crossing or crowded branches rather than extensive reshaping.
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“Named after the renowned plant explorer Ernest Henry Wilson, this mimosa cultivar carries the legacy of one of horticulture's most prolific botanists. Wilson spent decades collecting specimens across Asia in the early 20th century, introducing countless ornamental trees and shrubs to Western gardens. This variety preserves his influence on ornamental horticulture, bearing his name as a tribute to his botanical legacy and passion for bringing elegant, garden-worthy plants to wider cultivation.”