Japanese Yam

Dioscorea japonica

Native to:
China, India, Japan, Korea, Taiwan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Dioscoreaceae
Genus:
Dioscorea
Species:
Dioscorea japonica
USDA Symbol:
DIJA2

Growth Characteristics

Height:
500 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jul,aug,sep
Bloom Colors:
white, cream

Garden & Ecology Notes

Deer Resistant:
Yes
Fragrant:
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 or shaded areas

Propagation & Germination

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society