Humboldt Lily

Lilium humboldtii

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Liliaceae
Genus:
Lilium
Species:
Lilium humboldtii
USDA Symbol:
LIHU

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Geophyte
Height:
180 cm
Light Requirements:
Part Shade
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
Bloom Colors:
orange, yellow, red

Wildlife Benefits

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

Reported Fauna Sightings

Hummingbirds: Anna's Hummingbird (Calypte anna) Butterflies:Western Tiger Swallowtail (Papilio rutulus)

Garden & Ecology Notes

Wildlife Value:
bees, hummingbirds
Fragrant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to open woodlands and chaparral

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–90 days
Notes:
Seeds require cold stratification for 60-90 days; germination is slow and may take 1-3 months after stratification.

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

Source: Claude AI

ORGHPS Germination Guide: Use repeated cycles of 20°C, then 4°C for 3 months each. Germination is very prolonged. * sow in autumn; keep moist over winter; do not expose to temps below -3°C

Source: Ontario Rock Garden & Hardy Plant Society