Western Sweetvetch
Hedysarum occidentale
Last reviewed: June 2026
Light
full sun
Water
low
Size
12"–24" H × 8"–16" W
Bloom
Jun, Jul, Aug
Native to
CO, ID, MT, UT and 2 more states
Pollinators
bees, butterflies
Browse plants for this ecoregion
Western sweetvetch is a compact native perennial that produces clusters of pink to purple pea-like flowers from June through August. This drought-tolerant plant forms neat clumps and requires minimal care once established in sunny locations.
In an HOA neighborhood
Western Sweetvetch is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.
Works well in: mid zone, foundation, backyard only.
- May look sparse or weedy if not grouped with other plants
- Unknown winter appearance could be problematic
Wildlife value
The flowers attract bees and butterflies throughout the summer blooming period. As a member of the legume family, it also helps improve soil nitrogen levels.
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 Western Sweetvetch fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.