Viburnum – Distinguishing Snowball-type
As if gardeners didn’t have enough confusion sorting out plants which are not roses, but have rose in their name (rose of Sharon, rose moss, Confederate rose, etc), we also must distinguish between “snowball” viburnums.
Chinese snowball viburnum is Viburnum macrocephalum. It has huge (4 – 8 inch), round white flowers, borne on the ends of branches, in April/May. Many people confuse it with hydrangea, but it blooms much earlier than hydrangeas.
Japanese snowball viburnum is Viburnum plicatum f. plicatum. It has small (2 – 3 inch), round white flowers, borne two-ranked along the branches, in April/May. Doublefile viburnum is Viburnum plicatum f. tomentosum. It has flat flower clusters that march in line opposite each other on a branch.
European snowball viburnum is Viburnum opulus ‘Sterile’ or ‘Roseum’. Both have medium-sized (3 – 5 inch) blooms, borne at the ends of branches, and the leaves have three major lobes, much like a maple. It blooms April/May; the flowers are followed by attractive red cranberry-like fruit in autumn.
Fragrant snowball viburnum is Viburnum x carlcephalum. It has pink-white flowers which are very fragrant. It is not the same as Korean spice viburnum, Viburnum carlseii, also very fragrant.
Chinese snowball viburnum
Chinese snowball viburnum
Japanese snowball
doublefile viburnum
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