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Native Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Tiarella trifoliata (Threeleaf foamflower)
Weyand, Phyllis

Tiarella trifoliata L.

Threeleaf foamflower, Western Foamflower

Saxifragaceae (Saxifrage Family)

USDA Symbol: TITR

USDA Native Status: Native to U.S.

Tiny white flowers hanging in loose clusters in narrow branched racemes atop leafy stems. Flowers: Calyx about 1/4 (6 mm) wide, with 5 lobes attached to a pale green, cup-like base about 1/16 (2 mm) long, upper lobe largest; petals 5.

There are two forms of this flower. If the leaves are cut to the top of the leafstalk, this is the variety trifoliata; if the leaves are lobed but not cut, then this is the variety unifoliata.

 

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Plant Characteristics

Duration: Perennial
Habit: Herb
Flower:
Fruit:

Bloom Information

Bloom Time: May , Jun , Jul , Aug

Distribution

USA: AK , CA , ID , MT , OR , WA
Canada: BC
Native Distribution: Alaska south to central California and east to Idaho and western Montana.
Native Habitat: Moist woods, along stream banks.
USDA Native Status: L48(N), AK(N), CAN(N)

Find Seed or Plants

View propagation protocol from Native Plants Network.

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

USDA: Find Tiarella trifoliata in USDA Plants
FNA: Find Tiarella trifoliata in the Flora of North America (if available)
Google: Search Google for Tiarella trifoliata

Metadata

Record Modified: 2010-04-19
Research By: TWC Staff

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