Blackhaw viburnum (Viburnum prunifolium) is a native, multi-stemmed shrub that can also be trained as a small tree, valued for spring flowers, summer foliage, and strong fall and winter interest. You will get clusters of creamy white blooms in late spring, followed by berry-like fruit that shifts to dark blue-black as it ripens, and foliage that turns red to purple in autumn.

Plant it in full sun to partial shade for the best flowering and fruit set, but it will also tolerate deeper shade (with fewer blooms). At maturity it reaches about 144-180 inches tall with a broad habit that can spread 72-144 inches, so give it room or plan for selective pruning right after flowering. Because it flowers on older wood, avoid heavy late-season pruning that can reduce next year's display.

This viburnum is adaptable to many soils, including clay, as long as drainage is reasonable. Once established it handles short dry spells, yet it also performs well with steady moisture during long summer heat. It is a strong option for planting near black walnut, where juglone can limit other shrubs.

For wildlife-friendly landscapes, the fruit and branching structure are a real asset. The berries are widely used by birds and other wildlife, and the plant can fit into hedgerows, naturalized borders, or mixed shrub plantings. For best fruiting, consider planting more than one viburnum for cross-pollination.

Specifications

• Cold hardiness zone: 3-9 (-40 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun   Part sun   Shade
• Growth rate: Slow to moderate
• Mature height: 144-180"
• Spread: 72-144"
• Tolerant of: Drought
• Attracts: Birds
• Grows Under Trees: Conifer - No, Walnut - Yes, Other - No
• Edible: Yes
• Fragrant: Yes
• Native to the U.S.: Yes

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