Tuolumne Fawnlily

Erythronium tuolumnense

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Liliaceae
Genus:
Erythronium
Species:
Erythronium tuolumnense
USDA Symbol:
ERTU

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Geophyte
Height:
35 cm
Light Requirements:
Part Shade
Drought Tolerance:
Medium
Bloom Months:
mar,apr,may
Bloom Colors:
yellow

Wildlife Benefits

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

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to shaded, woodland areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–180 days
Notes:
Seeds require cold stratification and may take multiple seasons to germinate. Best sown fresh in fall for natural stratification.

The above propagation data sourced from Claude AI

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