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Avalanche-lily

Erythronium grandiflorum

Last reviewed: June 2026

Avalanche-lily (Erythronium grandiflorum)
Photo: BernardM / Wikimedia Commons (Public domain)

Light

part shade

Water

medium

Size

4"–12" H × 3"–6" W

Bloom

May, Jun, Jul

Native to

CA, CO, ID, MT and 6 more states

Pollinators

bees, beetles

Browse plants for this ecoregion

Avalanche-lily is a charming spring wildflower that produces nodding white or yellow blooms on short stems. The plant goes completely dormant by midsummer, disappearing until the following spring. It prefers cooler, shadier spots and takes several years to establish from seed.

In an HOA neighborhood

Avalanche-lily takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Completely disappears by midsummer leaving bare ground
  • Very short bloom period creates temporary appearance
  • Can look sparse and unfinished in formal landscapes

Wildlife value

The early spring flowers provide nectar for native bees and beetles when few other food sources are available. This makes it particularly valuable for supporting pollinators emerging from winter dormancy.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Avalanche-lily fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.