Oval blue-black fruits follow and mature in fall. Tiny, white, 5-petaled flowers in dome-shaped clusters bloom in early spring. The small leaves add varying amounts of purple color in fall and remain semi-evergreen to evergreen in warm winter climates. Even though its native range is zones 8-9, it will grow in zones 7-10. Its native habitat is the coastal plains in hammocks, thickets, and swamp margins. It is evergreen to semi-evergreen with a dense rounded form. it is not native to NC but could easily grow in southern Piedmont and coastal areas of the state. Walter's Viburnum is a SE USA native large shrub or small tree that is densely twiggy and upright ascending. Introduced by the Canadian Ornamental Plant Foundation.Phonetic Spelling vih-BUR-num ob-oh-VAY-tum Description Fruits, a few flowers and autumn foliage color may all be simultaneously present on shrubs in early fall. White lacecap-like flowers bloom in spring (late April-May), but continue to bloom sporadically through summer (hence the cultivar name) and sometimes into early fall. Leaves, flowers and fruits are typically smaller than those found on typical f. ‘Summer Snowflake’ is an upright cultivar that matures to 5-8’ tall (infrequently taller). Specific epithet means pleated or folded in reference to leaf veins. Genus name comes from the Latin name of a species plant. tomentosum) is native to forests and thickets in China and Japan.įorma tomentosum has fine hairs on young stems and leaf undersides. tomentosum) was named as if it were a variety of the species. As a result of this inverted schedule of discovery, the sterile form was mistakenly given a species name ( Viburnum plicatum) and the subsequently discovered fertile form (f. tomentosum) from which it was actually developed. It was discovered prior in time to the discovery of the wild fertile doublefile form (f. plicatum) is known from cultivation only (first observed as a garden plant in Japan). Except as to flower structure, bloom time, height and branching habit, both forms are otherwise very similar and commonly sold in commerce under a number of different cultivar names. tomentosum typically will not exceed 10’ tall. plicatum may rise to as much as 15’ tall, but mature height of f. plicatum typically occurs about two weeks later than that of f. tomentosum) which is the wild-related taxon featuring fertile, flat-topped flower clusters (2-4” diameter cymes) which bloom along tiered horizontal branches in doublefile form, each cluster containing an outer ring of large showy sterile florets surrounding a center mass of tiny non-showy fertile florets which when fertilized give way to egg-shaped fruits and viable seed. plicatum) which is the type form featuring sterile, snowball-like, orbicular inflorescences (2-3” diameter cymes) of non-fragrant, showy white flowers along the branches in spring with no subsequent fruit and (2) doublefile viburnum (f. Two different forms of this shrub are commonly sold in commerce: (1) Japanese snowball bush (f. Leaves turn burgundy red to purplish red in fall. Ovate, toothed, strongly-veined, dark green leaves (to 4” long) have pleated upper surfaces. Viburnum plicatum is a dense, upright, multi-stemmed, deciduous shrub that typically matures to 8-15’ tall with a slightly larger spread.
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