Chinese Snowball Viburnum is a rounded, vase-shaped shrub native to China that earns its common name from stunning, lime-green flower clusters that transform to pure white in May and early June. Growing 6 to 10 feet tall and wide in most climates (occasionally reaching 15 to 20 feet in warmer regions), this hardy shrub thrives in zones 6 through 9 and tolerates both full sun and partial shade. The dense, globose flower clusters reach 5 to 8 inches across, composed of non-fragrant sterile florets about 1.25 inches wide that create a dramatic, snow-like effect when they peak. It's a low-maintenance choice that asks for moderate water and performs well in average, well-drained soil, though it does develop drought tolerance as it matures.
Partial Sun
Moderate
6-9
120in H x 120in W
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Moderate
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The flower show here is genuinely spectacular: those massive, perfectly round white snowballs emerge green and shift to white over a matter of days in late spring, creating weeks of visual drama. The shrub's rounded form and dark green foliage provide structure in the landscape even when it's not blooming, and mature plants handle drought reasonably well once established. Butterflies are drawn to these flowers, and the dense growth habit makes it excellent as a hedge. Best of all, this shrub practically takes care of itself; no serious pests or diseases typically bother it, and it shows good resistance to both bacterial leaf spots and powdery mildew.
Chinese Snowball Viburnum is primarily used as an ornamental hedge and specimen shrub in the landscape. Its showy spring flowers attract butterflies and provide striking visual interest during the blooming season, making it valuable in mixed borders and foundation plantings. The dense, rounded growth habit also lends itself well to structured landscape designs where architectural form is desired.
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Prune immediately after flowering concludes in early June. Remove any branches that disrupt the natural rounded, vase-shaped form. Light pruning maintains the shrub's structure; heavy pruning can reduce next season's flower production since flower buds form during the growing season following bloom.
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“Viburnum macrocephalum originates from China, where it has been cultivated for centuries. It was brought into Western cultivation and has become a favored ornamental shrub in American gardens, particularly in regions with mild to moderate winters. The variety's status as a reliably sterile flowering form means gardeners enjoy consistent, abundant blooms without the complication of fruit production.”