Sierra Pea

Lathyrus nevadensis

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Lathyrus
Species:
Lathyrus nevadensis
USDA Symbol:
LANE3

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Vine
Height:
60 cm
Light Requirements:
Part Shade
Drought Tolerance:
Medium
Bloom Months:
apr,may,jun,jul
Bloom Colors:
purple, pink, lavender

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from rhizomes following fire; often increases in abundance in post-fire environments.

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 forested or shaded areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–60 days
Notes:
Hard seed coat requires scarification before cold stratification. Germination can be erratic.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: Claude AI