European Snowball
Viburnum opulus 'Roseum'
European Snowball blooms from May through June.
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Growing European Snowball
Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 3–8. Expect it to reach about 11 ft tall and 9.8 ft wide at maturity, in roughly 5 years.
When to plant European Snowball
Plant European Snowball in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. For the middle of its hardy zones 3 to 8 range, spring means April to June and fall means August or September. Once settled, it blooms from May to June.
Month-by-month timing for your zone is on the planting calendar: for the middle of its range, start with zone 5 in April.
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