Genus guide
Tiarella — 14 species
Part of the Coral bells & saxifrages family (Saxifragaceae)
Tiarella (foamflower) is a graceful, clump-forming or spreading perennial native to North American woodlands, producing frothy spikes of white to pale-pink flowers in spring above deeply lobed, often marbled foliage. Cultivars like 'Iron Butterfly' and 'Spring Symphony' make excellent ground covers in shaded borders. It grows best in partial to full shade with consistently moist, well-drained soil; it does not tolerate prolonged drought or hot afternoon sun. All Tiarella species are toxic to cats and dogs.
All Tiarella species we cover
- Heartleaf Foamflower
- Iron Butterfly Foamflower
- Iron Butterfly Tiarella
- Ninja Foamflower
- Ninja Tiarella
- Pink Skyrocket Foamflower
- Running Tapestry Foamflower
- Running Tapestry Tiarella
- Spring Symphony Foamflower
- Spring Symphony Tiarella
- Sugar and Spice Tiarella
- Threeleaf Foamflower
- Wherry's Foamflower
- Wherry's Foamflower
Tiarella — frequently asked questions
Are Tiarella plants toxic to cats and dogs?
Most Tiarella are not pet-safe. Of the 14 Tiarella species in the Growli library, 10 (71%) carry a toxic or mildly-toxic ASPCA classification and 4 are pet-safe. Always confirm the exact species on its pet-safety page before trusting it around cats or dogs.
How much light do Tiarella plants need?
Most Tiarella do best in medium indirect light. If yours stretches toward the window or loses its variegation it wants more light; scorched or bleached leaves mean it is getting too much direct sun.
Are Tiarella easy to care for?
Some Tiarella suit more experienced growers — several want strong light, sharp drainage or a specific seasonal rhythm. Check the individual species page for the exact regime.
How many Tiarella varieties are there?
Growli's care library covers 14 Tiarella species and varieties — browse them all above. They share a similar light, water and soil pattern, so once you learn one Tiarella, the rest follow closely.
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