Tall False Hawksbeard

Youngia japonica subsp. elstonii

Native to:
China, Hainan, India

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Youngia
Species:
Youngia japonica subsp. elstonii
USDA Symbol:
YOTH

Growth Characteristics

Life Cycle:
Annual | Biennial
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, butterflies

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:
thrives in disturbed areas with organic matter

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily without pretreatment; light may enhance germination.

The above propagation data sourced from Claude AI