Culver's Root
Viburnum farreri
- Native to:
- China
Wikimedia: Sten Porse





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.