Wild Yam

Dioscorea villosa

Also known as: Fourleaf Yam

Native to:
Canada, Puerto Rico, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Dioscoreaceae
Genus:
Dioscorea
Species:
Dioscorea villosa
USDA Symbol:
DIVI4

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Vine
Height:
450 cm
Light Requirements:
Full Sun
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

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 forested areas with organic matter

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–120 days
Germination Time:
14–60 days
Notes:
Seeds may have irregular germination; fresh seed germinates best.

The above propagation data sourced from Claude AI