Avalanche lilies at Mount Rainier

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.

late June – early August Best: late June into late July Out of season

The show usually starts around late June. Check back closer to the season.

Not every season keeps to that rhythm. In one of the 6 seasons on record (2026) the first flowers opened around mid-May.

Based on reports from iNaturalist naturalists. 468 flowering reports from Mount Rainier National Park shape this curve. The shaded band marks the best weeks; the dashed line is this week.

Where to see them

White lilies that bloom almost against the receding snowbanks at Paradise. The window is short and tracks the melt — a late snow year pushes everything into August.

Mount Rainier National Park (Paradise meadows, Sunrise)

We name public reserves, parks, and roads only — never exact pins, never private land.

Nearby on the calendar

Subalpine lupine at Mount Rainier — best mid-July into early August

Updated September 8, 2026. Bloom timing varies with the year's weather — the curve shows the usual rhythm, and in-season updates sharpen it.