Koreanspice Viburnum

Viburnum carlesii

Native to:
China, Japan, Korea

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Viburnaceae
Genus:
Viburnum
Species:
Viburnum carlesii
USDA Symbol:
VICA19

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
240 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
apr,may
Bloom Colors:
white, pink
Landscaping Shrub:
Yes

Keystone Species Ranking

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

Reported Fauna Sightings

Bees: Common eastern bumble bee (Bombus impatiens)

Garden & Ecology Notes

Wildlife Value:
birds
Fragrant:
Yes
Fall Color:
red, burgundy

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:
Seeds exhibit double dormancy requiring warm stratification followed by cold stratification; germination can be erratic and may take over a year.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 4C for 3 months, then place @ 20C for 3 months. Pulpy coat -- soak & rinse daily 7 days to remove.

Source: Ontario Rock Garden & Hardy Plant Society