Large Camas

Camassia leichtlinii

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asparagaceae
Genus:
Camassia
Species:
Camassia leichtlinii
USDA Symbol:
CALE5

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Geophyte
Height:
120 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
apr,may,jun
Bloom Colors:
blue, purple, white

Wildlife Benefits

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

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, hummingbirds
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Prefers wet meadows and stream banks

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–90 days
Notes:
Seeds require cold-moist stratification and may take several weeks to germinate. Light aids germination.

The above propagation data sourced from Claude AI

Pre-treatment: Expose seeds to 90 days of cold/moist stratification at 38°F

Source: npn.rngr.net

ORGHPS Germination Guide: Sow @ 4C.

Source: Ontario Rock Garden & Hardy Plant Society