Eastern snowball bushviburnum opulus sterile the viburnum, 'Eastern snowball', is a hardy deciduous shrub growing 8 to 12' in height with a spread of 10 to 15'. abundant clusters of large pure white, snowball like flowers cover this shrub in late spring. Bright green-foliage has reddish overtones in fall & is shaped more like an oak leaf which varies from most other viburnums. Very showy bloomer. This plant is used as foundation plant, shrub borders, hedges & screens. If pruning is desired, prune soon after flowering. The showy flowers will attract butterflies. Flowers are sterile, therefore no fruit is produced. Mature height: 8-12 feetmature width: 10-15' exposure: full sun to partial hardiness zones: 6-9