Western Lily 🛑 Endangered

Lilium occidentale

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Liliaceae
Genus:
Lilium
Species:
Lilium occidentale
USDA Symbol:
LIOC2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Geophyte
Height:
200 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul
Bloom Colors:
red, orange, yellow

Wildlife Benefits

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

Garden & Ecology Notes

Wildlife Value:
hummingbirds, butterflies
Salt Tolerant:
Yes
Fragrant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 6.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
Prefers coastal habitats with high organic content

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–180 days
Notes:
Seeds require cold stratification and may show hypogeal germination with delayed epigeal growth. Germination can be erratic over multiple seasons.

The above propagation data sourced from Claude AI

Pre-treatment: 30 days of warm/moist stratification followed by a cold treatment extending until germination

Establishment: Limited distribution in California and Oregon

Source: npn.rngr.net