Fourleaf Yam
Dioscorea villosa
- Native to:
- Canada, United States
Wikimedia: No machine-readable author provided. Phyzome assumed (based on copyright claims).






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Dioscoreaceae
- Genus:
- Dioscorea
- Species:
- Dioscorea villosa
- USDA Symbol:
- DIQU
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Vine
- Height:
- 500 cm
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- yellow, green
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Deer Resistant:
- Yes
- Fall Color:
- yellow
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–120 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require cold stratification and may germinate erratically over an extended period.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.