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Viburnum, Siebold Viburnum 'Ironclad'

Viburnumsieboldii

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Viburnum sieboldii by ViburnumValley
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Family
Adoxaceae (a-dox-AY-see-ee)
Info
Genus
Viburnum (vy-BUR-num)
Info
Species
sieboldii (see-BOLD-ee-eye)
Info
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Light Shade
Foliage
Grown for foliage
Deciduous
Shiny/Glossy
Smooth
Height
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
Spacing
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
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)
Danger
N/A
Bloom Color
White/Near White
Bloom Time
Late Spring/Early Summer
Other Details
Category
Shrubs
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
From softwood cuttings
From semi-hardwood cuttings
Seed Collecting
Remove fleshy coating on seeds before storing
Properly cleaned, seed can be successfully stored
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Poplar Grove, Illinois

Clermont, Kentucky

Georgetown, Kentucky

Louisville, Kentucky

Madison, Wisconsin

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