Viburnum plicatum f. tomentosum (Doublefile Viburnum): Horizontal Tiers of Lacecap Flowers

Overview

Doublefile viburnum (Viburnum plicatum f. tomentosum) is a horizontally branched deciduous shrub from China and Japan. In mid-spring, double rows of flattened lacecap-like flower clusters line the horizontal branches. Oval red fruit ripens to black, attracting birds. Superb tiered architecture.

Growing Conditions

Full sun to part shade in moderately fertile, moist, well-drained soil. Adaptable. Medium moisture.

Care and Maintenance

Prune to maintain horizontal form—remove vertical watersprouts. Take greenwood cuttings in summer. Sow seed in autumn.

Common Problems

Aphids, scale, weevils, Japanese beetles, mealybugs, treehoppers. Gray mold, rust, mildews, wood rot, verticillium wilt, leaf spots, dieback.

Landscape Uses

• Specimen plant (architectural form)
• Woodland gardens
• Mixed borders
• Spring focal point
• Bird gardens

Key Features

• Horizontal tiered branching
• Double rows of lacecap flowers
• Red-to-black fruit
• 6-10 feet tall, 10-15 feet wide
• Native to China/Japan
• Moderate maintenance