Torrey's Pea

Lathyrus torreyi

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Lathyrus
Species:
Lathyrus torreyi

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Vine
Height:
1-2 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
mar, apr, may, jun, jul, aug
Bloom Colors:
pink, purple
Ground Cover:
Yes

Native Range

United States: California, Oregon, Washington

Host Plant for Caterpillars

Idas blue (Lycaeides idas)

Soil Requirements

Soil Type:
well-drained, sandy or rocky soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to open, rocky slopes and grasslands

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Scarify, then cold-moist stratify for 60 days.

Source: OpenAI GPT-4o