| Scientific Name: | Tiarella trifoliata |
| Common Name: | trefoil foamflower, threeleaf foamflower |
| Family Name: | Saxifragaceae |
| Origin: | B.C. west of Cascades, U.S. - northwest |
| Hardiness Zone: | Zone 5: (-29 to -23 °C) |
| Plant Type: | Herbaceous perennial |
| Mature Size: | 0.2 - 0.4m x 0.1 - 0.3m (height x width) |
| Habit: | Spreading |
| Form: | Mounded, Oval - horizontal |
| Texture: | Medium |
| Landscape Uses: | Alpine, Container planting, Ground cover, Group or mass planting, Mixed shrub border, Perennial border, Wetland - bogs, Woodland margin |
| Exposure: | Part sun/part shade, Filtered shade, Deep shade |
| Soil or Media: | Acidic, Bog, Humus rich |
| Leaves: | Lobed, Compound, Basal, Heavily veined, Pubescent, Trifoliate (ternate), Lanceolate, Ovate, Dentate |
| Flowers: | Panicle, White, Apr-May |
| Fruit: | Capsule, Brown, Aug-Sep |
| Key ID Features: | |
| Small herbaceous perennial 20-50cm tall; stipules ~1cm long, leaves are medium-green, usually compound with three lobed leaflets, pubescent, crenate margins; panicle narrow up to 15cm long, flowers numerous, petals white, 3-4mm long x ~1mm wide; capsule looks like tiny sugar scoops. | |