Viburnum japonicum

Viburnum japonicum

Native to:
China, Japan, Korea, Nansei-shoto

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Viburnaceae
Genus:
Viburnum
Species:
Viburnum japonicum
USDA Symbol:
VIJA2

Growth Characteristics

Height:
400 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
mar,apr,may
Bloom Colors:
white
Landscaping Shrub:
Yes

Keystone Species Ranking

Caterpillar Keystone:
★★★★★ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
birds
Deer Resistant:
Yes
Salt Tolerant:
Yes
Fragrant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to forested areas with organic matter

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 150–270 days
Germination Time:
30–365 days
Notes:
Viburnum seeds have double dormancy requiring warm then cold stratification. Germination can be slow and erratic, sometimes taking over a year.

The above propagation data sourced from Claude AI