White-Grained Mountain-Ricegrass
Oryzopsis asperifolia
Last reviewed: June 2026
Light
part sun
Water
medium
Size
12"–36" H × 6"–18" W
Bloom
May, Jun, Jul
Native to
CO, CT, IA, ID and 24 more states
Pollinators
bees, beetles
White-grained mountain ricegrass is a fine-textured native grass that forms tidy clumps with delicate, arching foliage. It produces subtle flower clusters in late spring and early summer, then goes dormant in winter as a deciduous perennial.
In an HOA neighborhood
White-Grained Mountain-Ricegrass is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.
Works well in: foundation, mid zone, backyard only.
- Goes completely dormant in winter
- May appear sparse compared to traditional landscaping
Wildlife value
This grass supports bees and beetles during its blooming period from May through July. As a native grass, it also provides habitat and food sources for various insects and small 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 White-Grained Mountain-Ricegrass fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.