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Foamflower

Tiarella

Also called False miterwort, Foamflowers

Foamflower
Photo: Evan M. Raskin, CC BY 4.0

Tiarella, or foamflowers, is a genus of small perennial woodland plants in the saxifrage family, with the most commonly grown members native to eastern North America. They thrive in cool, moist, shaded spots with rich soil, where they spread slowly into foamy carpets of flowers.

Family
Saxifragaceae (Saxifrag family)
Light
Part shade, Shade
Water
Keep soil evenly moist and never waterlogged, especially in summer.
Soil
Humus-rich, well-drained, slightly acidic loam.
Temperature
Hardy to about -30 °C; prefers cool summers.
How easy
Easy

About

Tiarella, the foamflowers, is a genus of flowering plants in the family Saxifragaceae. The generic name Tiarella means "little turban", which suggests the shape of the seed capsules. Worldwide there are seven species, one each in eastern Asia and western North America, plus five species in eastern North America. As of October 2022, the taxonomy of Tiarella in eastern North America is in flux.

How to grow it

Many hybrids are known and cultivated. The following have been given the Royal Horticultural Society's Award of Garden Merit:

Tiarella Angel Wings = 'Gowing'

Where it grows

Tiarella is native to Asia and North America. It has been introduced into Norway.

Other Tiarella plants

Heartleaf foamflower · Threeleaf foamflower

Text excerpted from the Wikipedia article Tiarella by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

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