Mountain Sweetroot
Osmorhiza chilensis
Last reviewed: June 2026
Light
part shade
Water
medium
Size
12"–36" H × 6"–18" W
Bloom
May, Jun, Jul
Native to
CO
Pollinators
bees, beetles
Browse plants for this ecoregion
Mountain sweetroot is a delicate native wildflower with fern-like foliage and small white flower clusters that bloom from May through July. This shade-loving perennial grows 1-3 feet tall and prefers consistent moisture, making it ideal for woodland gardens or shaded borders. The plant dies back completely in winter but returns reliably each spring.
In an HOA neighborhood
Mountain Sweetroot takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Looks very wild and weedy to untrained eyes
- Completely disappears in winter leaving bare spots
- Delicate appearance lacks the substance HOAs expect
Wildlife value
The small white flowers attract native bees and beetles during the summer blooming period. It provides natural habitat value for local pollinators.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Mountain Sweetroot fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.