Lyall's Mariposa Lily

Calochortus lyallii

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Liliaceae
Genus:
Calochortus
Species:
Calochortus lyallii
USDA Symbol:
CALY

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Geophyte
Height:
40 cm
Light Requirements:
Part Shade,Shade
Drought Tolerance:
High
Bloom Months:
may,jun,jul
Bloom Colors:
white, 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:
Bulbs can resprout following fire. Native to dry grasslands and open forests with periodic fire regimes.

Soil Requirements

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

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–180 days
Notes:
Seeds require cold stratification and may germinate erratically over several months. Best sown in fall for natural winter chilling.

The above propagation data sourced from Claude AI