Arnica cordifolia (Heartleaf Arnica)


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Plant Description: A clumping rhizomatous arnica species with iconic heart shaped leaves. Native to much of Oregon, including the Willamette Valley, these perrenials typically grow at low to mid elevations and are quite adaptable to open and wooded locations. Leaves form a low growing mat and produce singular stems with bright yellow arnica flowers. 

Arnica has historically been used to treat bruises, burns, cuts, and pain. *NEVER CONSUME PLANTS WITHOUT PROPER ID*

  • Height: 8"-2ft
  • Width: 1-2ft
  • Watering needs: dry-semi dry
  • Sun needs: part sun-part shade
  • Soil needs: dry-seasonally moist
  • Bloom Time: spring-summer
  • Portland Plant List (Backyard Habitat Certification): No

Landscape Use and Ecological Function: Heartleaf arnica thrives in part shade, making a beautiful pop of color and vital pollinator resource as a groundcover in woodland gardens, open woodlands, or meadows. Commonly associated in mixed confier forests where forest duf and fallen logs are present. Add to woodland food forests or your medicinal garden. 


Vine maples flourish in moist soil conditions, particularly along shaded stream edges, as an understory tree in coniferous forests, or at the woodland edge. It is a native plant and is common in forests west of the Cascade Mountains from sea level to 2500 ft.

Woodland and rain gardens benefit from this plant along with conventional and ornamental gardens. Acer circinatum is also an important species for creating wildlife habitat. It provides food, nesting sites, and cover for many birds and mammals.

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