Black Vetch

Vicia nigricans

Native to:
Argentina, Bolivia, Canada, Chile, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Vicia
Species:
Vicia nigricans
USDA Symbol:
VINI81

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Vine
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
mar,apr,may,jun
Bloom Colors:
purple, violet

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Grapholita lunatana, Silvery Blue (Glaucopsyche lygdamus), Western Tailed-Blue (Everes amyntula)

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:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers coastal and open woodland 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. Seeds may also benefit from soaking in warm water for 24 hours.

The above propagation data sourced from Claude AI

Pre-treatment: None required

Source: npn.rngr.net