Two-Leaf Vetch

Vicia unijuga

Native to:
China, Japan, Korea, Kuril Is., Russia

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Vicia
Species:
Vicia unijuga
USDA Symbol:
VIUN2

Growth Characteristics

Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug
Bloom Colors:
purple, violet, blue

Garden & Ecology Notes

Wildlife Value:
bees, butterflies

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
prefers fertile soils in forested areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–30 days
Notes:
Scarification of hard seed coat recommended before cold stratification. Soaking in warm water may also improve germination.

The above propagation data sourced from Claude AI