Viburnum nudum (Swamp Haw): Multi-Season Fruit Display in Blue-Black

Overview

Swamp haw (Viburnum nudum) is a large native shrub 12-15 feet tall, 6 feet wide. Early summer brings myriad tiny white flowers in wide stalked heads. Fruit progresses from green to creamy-pink to deep blue-black through summer and fall. Tolerates wet soils and shade but blooms best in near-full sun.

Growing Conditions

Full sun to part shade in rich, moist, very acidic soil. Tolerates wet soils. Medium moisture.

Care and Maintenance

Take greenwood cuttings in summer. Plant in groups for better fruit display. Prune after flowering if needed.

Common Problems

Viburnum beetle, gray mold, rust, mildews, wood rot, verticillium wilt, leaf spots, dieback. Various insects.

Landscape Uses

• Wetland and streamside plantings
• Woodland gardens
• Cottage gardens
• Wildlife gardens (birds love fruit)
• Naturalized areas

Key Features

• Native to eastern North America
• Progressive fruit color: green → pink → blue-black
• Tolerates wet, acidic soils
• 12-15 feet tall
• Attracts songbirds
• Early summer flowers