Trillium in the Smokies

Trillium grandiflorum

Trillium usually blooms from late March to early May in the Smokies, with the best color from early April into mid-April.

late March – early May Best: early April into mid-April Out of season

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

Based on reports from iNaturalist naturalists. 1,004 flowering reports from Great Smoky Mountains National Park shape this curve. The shaded band marks the best weeks; the dashed line is this week.

Where to see them

The Smokies' spring ephemerals are a national treasure and trillium is the headliner — whole hillsides of white before the trees leaf out and close the light.

Great Smoky Mountains National Park (Porters Creek Trail, Chestnut Top Trail)

Worth planning around: Spring Wildflower Pilgrimage, Gatlinburg, late April.

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

Nearby on the calendar

Flame azalea in the Smokies — best mid-April into early May

Updated August 14, 2026. Bloom timing varies with the year's weather — the curve shows the usual rhythm, and in-season updates sharpen it.