Newport Doublefile Viburnum
Newport Doublefile Viburnum (Viburnum plicatum 'Newzam')
Newport Doublefile Viburnum (Viburnum plicatum 'Newzam'), also known as Doublefile Viburnum and Japanese Snowball Viburnum, is a compact, upright deciduous shrub valued for its crisp white spring blooms, tidy branching structure, and reliable fall color. This refined cultivar adds symmetry, seasonal texture, and standout charm to both formal landscapes and informal borders.
Distinctive Features
Growing 5 to 8 feet tall and wide, this selection maintains a rounded, upright habit with naturally tiered branches. White lacecap-style flowers bloom in double rows along the horizontal stems in mid to late spring, offering a clean, formal look. Textured green foliage transitions to burgundy or purplish red in fall. Small red fruits follow the blooms, gradually ripening to black and providing seasonal appeal for birds.
Growing Conditions
- Sun Exposure: Full sun to partial shade
- Soil Type: Moist, well-drained soil
- Soil pH: Slightly acidic to neutral
- Water Needs: Moderate, with regular watering in dry periods
- USDA Hardiness Zones: 5 to 8
Ideal Uses
- Focal point in foundation plantings or mixed borders
- Accent shrub for spring interest and architectural shape
- Woodland edge or part-shade garden settings
- Small-space gardens needing refined form
- Pollinator-friendly and wildlife-supporting plantings
Low Maintenance Care
- Light pruning after flowering to shape or thin as needed
- Mulch annually to help retain moisture and suppress weeds
- Water regularly in the first season to establish strong roots
- Fertilize in early spring with a balanced shrub fertilizer
- Generally pest-free and low-maintenance once established
Why Choose Newport Doublefile Viburnum
- Elegant white blooms line branches with crisp horizontal symmetry
- Compact, upright habit suits small gardens and formal layouts
- Bold fall foliage offers reliable seasonal color
- Bird-attracting berries provide late-season interest
- An easy-care focal point with year-round appeal
Newport Doublefile Viburnum delivers structure, beauty, and multi-season value, making it an excellent focal point in both traditional and contemporary gardens.
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