Western Gromwell
Lithospermum ruderale
Last reviewed: June 2026

Light
full sun
Water
low
Size
4"–24" H × 6"–18" W
Bloom
May, Jun, Jul
Native to
CA, CO, ID, MT and 5 more states
Pollinators
bees, beetles
Browse plants for this ecoregion
Western gromwell is a low-growing native perennial with small white to pale yellow flowers that bloom from May through July. This drought-tolerant wildflower forms compact clumps and thrives in full sun with minimal water once established.
In an HOA neighborhood
Western Gromwell 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.
- Very small flowers may appear weedy to HOAs
- Low growth habit can look unkempt
- Unknown leaf retention creates uncertainty about winter appearance
Wildlife value
The small flowers attract native bees and beetles during the late spring and summer blooming period. It provides habitat value for local wildlife.
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 Gromwell fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.