Tiarella is a genus of flowering plants in the family Saxifragaceae, native to North America and East Asia. The genus includes several species of perennial plants that are commonly cultivated as ornamental plants for their attractive foliage and delicate flowers.

Tiarella plants typically have small, star-shaped flowers in shades of white, pink, or purple. The flowers are produced on short, upright stems that rise above the foliage. The leaves of Tiarella are usually lobed or divided and have a green color, often with striking patterns.