wildflowerdates

Avalanche lilies

Erythronium montanum

Avalanche lilies usually bloom from late June to early August at Mount Rainier, with the best color from late June into late July. That's the only region we track it in so far — the ladder below shows where it falls in the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Alpine Mount Rainier — late June to early August, best late June this week
Each rung is one region's usual window; the deeper stretch is its best weeks. A rung lit violet has its window open this week. Based on reports from iNaturalist naturalists.

Where to see them

  • Mount Rainier Washington · late June – early August, best late June into late July

What's in bloom right now, state by state →

Based on reports from iNaturalist naturalists. We name public reserves, parks, and roads only — never exact pins, never private land.

Updated September 8, 2026. Bloom timing shifts with the year's weather — each region page carries that region's week-by-week curve and how this season is running.