Photo by Melody

PlantFiles: Doublefile Viburnum
Viburnum plicatum var. tomentosum 'Nanum Semperflorens'

Family: Adoxaceae (a-dox-AY-see-ee) (Info)
Genus: Viburnum (vy-BUR-num) (Info)
Species: plicatum var. tomentosum
Cultivar: Nanum Semperflorens
Additional cultivar information: (aka Watanabei, Nanum)
Hybridized by Watanabe; Year of Registration or Introduction: 1956

Synonym:Viburnum plicatum f. tomentosum
Synonym:Viburnum tomentosum

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4-6 ft. (1.2-1.8 m)

4-6 ft. (1.2-1.8 m)

USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Late Winter/Early Spring
Mid Spring

Good Fall Color

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Unknown - Tell us

Propagation Methods:
From softwood cuttings
From semi-hardwood cuttings

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By jbgregg
Thumbnail #1 of Viburnum plicatum var. tomentosum by jbgregg

By jbgregg
Thumbnail #2 of Viburnum plicatum var. tomentosum by jbgregg


2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive jbgregg On May 9, 2010, jbgregg from Baltimore, MD (Zone 7a) wrote:

Will grow tall (to 10') over time if it's happy, though can be kept smaller without looking "controlled" (whacked). More upright than other forms of plicatum, and less layered looking. Blooming intermittently throughout the growing season a plus. A good choice for a smaller specimen.

Positive Todd_Boland On Jan 27, 2005, Todd_Boland from St. John's, NL (Zone 5b) wrote:

This is the most dwarf selection of the Doublefile Viburnum. Plants form a dense shrub studded with small clusters of white flowers from June to September. It is small enough to be useful in a rock garden setting.


This plant has been said to grow in the following regions:

Baltimore, Maryland

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