Species › Plants › Painted Trillium

Painted Trillium

Trillium undulatum

UncommonPlant
Illustration of Painted Trillium (Trillium undulatum)

Painted Trillium is one of the most beautiful spring wildflowers in eastern North America, with white petals marked with a distinctive red-to-pink inverted V stripe at the base. It grows in cool, acidic, moist forests with hemlock and yellow birch in the Appalachians and New England. It is more restricted in its habitat requirements than other trilliums and is often uncommon.

Habitat
Cool, acidic hemlock forests and mountain slopes in the Appalachians and New England
Diet
Flowers visited by native bees; seeds dispersed by ants
How common
Uncommon

Best time to see a Painted Trillium

The best time to see a Painted Trillium is April–May, when about 61% of U.S. sightings happen, based on 18,429 research-grade iNaturalist observations.

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