Oriental False Hawksbeard
Youngia japonica
- Native to:
- Afghanistan, Bangladesh, Cambodia, China, Hainan, India, Japan, Kazan-retto, Korea, Laos, Malaya, Myanmar, Nansei-shoto, Nepal, Ogasawara-shoto, Pakistan, Philippines, Sri Lanka, Taiwan, Thailand, Vietnam
Jim Evans
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Youngia
- Species:
- Youngia japonica
- USDA Symbol:
- YOJA
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 80 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- mar,apr,may,jun,jul,aug,sep,oct
- Bloom Colors:
- yellow
Garden & Ecology Notes
- Wildlife Value:
- bees, small insects
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:
- Prefers disturbed areas with organic matter
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 7–21 days
- Notes:
- Seeds germinate readily without pretreatment; light may improve germination.
The above propagation data sourced from Claude AI