Garden Scheme

Plant library  ·  Shrubs

Snowball Bush

Viburnum opulus

Snowball Bush is a large deciduous shrub that reaches about 10 feet tall and 10 feet wide. Its white blooms make their main display from late spring into early summer, giving the plant enough presence to anchor a broad border or stand as a spring focal point. Use its scale where a substantial woody layer is welcome rather than where year-round openness is needed.

  • Pollinator friendly
  • Deer resistant
Sunlight Full Sun
Water Moderate
USDA zones 3–8
Spacing 8 ft
Mature size 10 ft tall, 10 ft wide
Bloom Late spring - early summer

Placement and use

Place Snowball Bush along a property edge, at the back of a deep mixed border, or in a generous planting bed where its broad outline can help form a hedge or screen. Keep it clear of narrow foundation strips, tight entry walks, and low windows that need to remain open. Set it behind shorter perennials or shrubs so the lower planting can be reached without working beneath its developing branches.

Spacing and mature footprint

Space plants 8 feet apart, center to center, for a connected hedge or screen. Since each shrub can spread about 10 feet wide, neighboring plants at that interval will eventually meet and overlap, creating a continuous mass rather than distinct individual mounds. For a specimen planting, reserve a circle roughly 10 feet across and leave additional clearance toward paths, gates, and bed edges for circulation and pruning access.

Three plants set 8 ft apart, center to center; shaded circles show the 10 ft mature spread.

Sun, water, and soil

Choose a full-sun position with moderately moist, well-drained ground. A site that does not dry sharply during the growing season will better suit its medium water needs than a hot, drought-prone strip beside paving. Allow enough open soil around the root zone that nearby thirsty plantings do not turn the shrub’s space into a crowded competition for moisture.[1][2]

Seasonal notes

This shrub is deciduous, so its screening effect is strongest during the growing season and its winter framework is more open. Plan the late-spring to early-summer bloom period as its visual high point, placing it where white flowers can be seen from a seating area, main path, or frequently used window. Avoid relying on it alone where an all-season privacy barrier is required.

Planning caveats

Viburnum opulus has escaped cultivation in parts of the northeastern and Midwestern United States and is considered weedy or potentially invasive in some Midwestern settings. Before using it in a hedge or mass planting, check local guidance and choose a different shrub where this species is discouraged. This is especially important near natural areas and property edges that connect to unmanaged land.[2]

Growing facts

Botanical name
Viburnum opulus
Type
Shrub
Category
Shrubs
Lifecycle
perennial
USDA hardiness zones
3–8
Sunlight
Full Sun
Water
Moderate
Plant spacing
8 ft
Mature size
10 ft tall, 10 ft wide
Bloom season
Late spring - early summer
Pollinator friendly
Yes
Deer resistant
Yes
Native to North America
No

References

  1. Viburnum opulus | guelder rose — Royal Horticultural Society
  2. Viburnum opulus - Plant Finder — Missouri Botanical Garden

Editorial content updated 2026-07-20.