Tiarella trifoliata

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USDA Hardiness zone: Zn4b -20º to -25ºF

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Tiarella trifoliata

A widespread perennial in the Pacific Northwest. There are two subspecies and this larger leaf form is the more common of the two. A mounding deciduous perennial for moisture retentive soils in light shade to shade. This perennial is often seen along creek banks and seeps where access to water is not very far away. In May-July 18″ spikes of clear starry white flowers crowd a vertical stem. Very pretty and light. An excellent native perennial for woodlands, stream banks. riparian areas. Spreads in rich soil to form extensive colonies foliage tops out at 8″. Excellent combined with native and non-native ferns. Very dark green leaves are handsome throughout the season on a tough and easy to grow plant. Fall color is red and orange before leaves go away. AKA Trifoliate Foam Flower, Northwest Foam Flower. Not bothered by disease or pests that includes snails and slugs. YAY. Oregon native plant

photo: Dii Mazuz

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