Richardson'S Muhly
Muhlenbergia richardsonis
Last reviewed: June 2026
The USDA PLANTS Database (opens in new tab) does not flag Richardson'S Muhly as toxic to livestock.
Light
full sun
Water
low
Size
8"–24" H × 6"–12" W
Bloom
Jul, Aug, Sep
Native to
AZ, CA, CO, ID and 14 more states
Browse plants for this ecoregion
Mat muhly is a low-growing native bunch grass that forms compact clumps with fine-textured foliage. It produces delicate seed heads in summer and fall, turning golden-tan as it goes dormant in winter. This drought-tolerant grass works well as a groundcover or accent plant in xeric landscapes.
In an HOA neighborhood
Richardson'S Muhly is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- Dormant winter appearance may look brown and sparse
Wildlife value
The seed heads provide food for small birds and ground-feeding species. As a native grass, it supports various insects and small wildlife throughout the growing season.
Common questions
- How much sun does Richardson'S Muhly need?
- Richardson'S Muhly grows best in full sun conditions.
- When does Richardson'S Muhly bloom?
- Richardson'S Muhly blooms in July, August, and September.
- Where is Richardson'S Muhly native?
- Richardson'S Muhly (Muhlenbergia richardsonis) is native to AZ, CA, CO, ID and 14 more states, per the USDA PLANTS Database and regional native plant society lists.
- Is Richardson'S Muhly toxic to livestock?
- The USDA PLANTS Database does not flag Richardson'S Muhly as toxic to livestock.
- Is Richardson'S Muhly HOA-friendly?
- Richardson'S Muhly is generally an HOA-friendly choice in the right placement, with low maintenance.
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.
Ready to grow Richardson'S Muhly? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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