Giant Dogwood
Cornus controversa
- Native to:
- China, Hainan, India, Japan, Korea, Kuril Is., Myanmar, Nepal, Russia, Taiwan, Vietnam
Daderot,Krzysztof Ziarnek, Kenraiz,Krzysztof Ziarnek, Kenraiz,Humoyun Mehridinov,Humoyun Mehridinov,Humoyun Mehridinov,Sten Porse,M.S. (en.wikipedia.org) del, J.N.Fitch (en.wikipedia.org) , lith.,KATHERINE WAGNER-REISS,KATHERINE WAGNER-REISS,Römert,Dalgial
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cornaceae
- Genus:
- Cornus
- Species:
- Cornus controversa
- USDA Symbol:
- COCO32
Growth Characteristics
- Height:
- 1500 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun
- Bloom Colors:
- white, cream
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★☆ Butterfly & moth species supported by this genus (NWF)
- Pollen Specialist Bee Keystone:
- ★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- birds, butterflies
- Fall Color:
- red, purple
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- consistently moist
Propagation & Germination
- Stratification:
- Warm then cold/moist stratification (double dormancy) — 90–120 days
- Germination Time:
- 30–180 days
- Notes:
- Requires warm stratification followed by cold stratification; germination can be erratic and slow.
The above propagation data sourced from Claude AI