Black hawthorn is a native North American tree that brings both beauty and resilience to the landscape, thriving in hardiness zones 3 through 9. This species grows as an upright tree reaching 20 to 30 feet tall, or sometimes as a shorter thicket-forming shrub, and rewards gardeners with dense clusters of fragrant white flowers in spring followed by glossy black fruit in late summer. The tree tolerates everything from wet soils to drier uplands, handles drought with ease, and requires only moderate maintenance once established. Its dense branching, sharp thorns, and spreading rounded crown make it excellent for hedging, while birds and butterflies flock to both its blossoms and fruit.
Full Sun
Moderate
3-9
300in H x 300in W
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High
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Dense clusters of fragrant white flowers bloom in May and June, later giving way to edible black fruit that matures in late summer and provides food for birds and wildlife. The tree grows as either a tall upright specimen or a shorter bushy thicket, adapting to its conditions with remarkable flexibility. Red-tinged young twigs and sharp thorns add winter interest, while its tolerance for drought, erosion, and urban conditions means it thrives in challenging sites where other trees struggle.
Black hawthorn serves beautifully as a hedgerow tree, particularly in native plantings and erosion control projects. The edible black fruit attracts birds and wildlife, making it valuable for anyone designing landscapes that support local fauna. In suitable sites, its dense branching and thorny nature provide natural screens and windbreaks, while its tolerance for wet and dry soils alike makes it useful for riparian restoration and difficult urban sites.
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Harvest the edible black fruit in late summer when it has fully matured to black. The fruit is showy and attractive to birds, so timing your harvest before wildlife strip the tree is important if you want to collect fruit for yourself. Pick individual berries or small clusters by hand when they reach full color and feel slightly soft to the touch.
Prune black hawthorn in late winter to shape the plant or manage growth as needed. The tree naturally tends to sucker and form thickets, which creates dense branching ideal for hedging but may require regular pruning if you prefer a single-stem tree form. Selective pruning encourages the spreading rounded crown that gives the mature tree its characteristic shape.
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