Culver's Root
Viburnum farreri
- Native to:
- China
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.
The above propagation data sourced from Claude AI
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.