Snowball Viburnum An attractive shrub prized for its fantastic 15cm round bright white flowers. Viburnum opulus Roseum has maple-like leaves and flowers in the Spring, often staying on the tree for a few months. It is a great addition to a flowering hedgerow especially and adored by bees and insects. Autumn foliage can be quite attractive also. Site: Tolerates some exposureSoil: Any well-drained soilPosition: Full sunSeason of Interest: White flowers in SpringHardiness: HardyHeight: 16ft (5m) Spread: 10ft (3m)