Culver's Root

Viburnum farreri

Native to:
China

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Viburnaceae
Genus:
Viburnum
Species:
Viburnum farreri
USDA Symbol:
VIFA4

Growth Characteristics

Height:
300 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
feb,mar,apr
Bloom Colors:
white, pink
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
Fragrant:
Yes
Fall Color:
red, purple

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to forest edges and slopes

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 150–270 days
Germination Time:
30–365 days
Notes:
Viburnum seeds exhibit double dormancy requiring warm then cold stratification. Germination can be erratic and may take up to two years.

ORGHPS Germination Guide: Expose to fluctuating outdoor winter temps incl. freezing for 3 months. Increase light/temp in spring. Pulpy coat -- soak & rinse daily 7 days to remove.

Source: Ontario Rock Garden & Hardy Plant Society