Open, often gravelly sites (grassy meadows and slopes); at low elevations (Pojar and MacKinnon, 1994).
Coarse-textured, free-draining (Pettinger and Costanzo, 2002).
Dry.
Full sun to light shade.
Climax species in dry open grassland sites.
Grassy meadows in association with Hooker's onion, satinflower and common camas.
