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Erythronium idahoense

Idaho fawn lily is a white-flowered spring bulb native to grasslands and forest openings in the northwestern US. It needs cool, moist springs and a dry summer dormancy to flower well.

Family
Liliaceae (Lily family)
Grows as
Bulb
Light
Part shade, Bright indirect
Water
Water freely in spring while leaves and flowers are growing, then keep dry during summer dormancy.
Soil
Well-drained, humus-rich woodland soil or gritty loam.
Temperature
Hardy to around -25 °C; tolerates cold winters well.
How easy
Moderate
Native range
E. Washington to W. Montana
Climate
temperate

About

Erythronium idahoense, commonly known as Idaho fawn lily, is a white-flowered plant in the Lily family native to the northwestern United States (Washington, Idaho, and Montana). Its habitats include grasslands and forest openings.

This taxon was listed as Erythronium grandiflorum subsp. candidum in Flora of North America.

Other Erythronium plants

White fawnlily · Dogtooth violet · California fawnlily · Caucasian Dog's Tooth Violet · Cream fawnlily · Dog's-tooth-violet · Coast Range fawnlily · Yellow avalanche-lily · Pacific fawnlily · Henderson's fawnlily · Howell's fawnlily · Asian Fawnlily

Text excerpted from the Wikipedia article Erythronium idahoense by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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