Deer Grass
Muhlenbergia rigens
Last reviewed: July 2026
Muhlenbergia rigens (Deer Grass) is a drought-tolerant native bunch grass found across Arizona, California, Nevada, New Mexico, and Texas. This evergreen perennial blooms July through September and attracts bees.
Deer Grass (Muhlenbergia rigens) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org (opens in new tab), last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
The USDA PLANTS Database (opens in new tab) does not flag Deer Grass as toxic to livestock.
Light
full sun
Water
low
Size
24"–48" H × 24"–36" W
Bloom
Jul, Aug, Sep
Native to
AZ, CA, NM, NV and 1 more states
Pollinators
bees
Browse plants for this ecoregion
Deer grass is a graceful native perennial grass forming rounded clumps of fine, arching blades. It produces tall, slender flower stalks that rise above the foliage in summer, creating an elegant silhouette in the landscape. This drought-tolerant grass maintains its structure year-round with minimal care.
Growing Deer Grass
Grow Deer Grass in full sun and low water. Mature plants reach 24 to 48 inches tall and spread 24 to 36 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Deer Grass is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- May need annual cutting back to maintain neat appearance
- Can develop brown tips in extreme drought conditions
Wildlife value
Deer grass provides habitat for small wildlife and serves as a host plant for several butterfly species. Its summer blooms attract native bees and other beneficial insects.
Common questions
- Where does Deer Grass naturally grow?
- Muhlenbergia rigens is native to the southwestern United States, including Arizona, California, Nevada, New Mexico, and Texas.
- When does Muhlenbergia rigens bloom?
- Deer Grass produces its flowering displays from July through September during the summer months.
- What pollinators visit Deer Grass?
- Bees are the primary pollinators attracted to Muhlenbergia rigens flowers during its blooming period.
- How much water does Deer Grass need?
- This drought-tolerant native grass thrives with minimal irrigation once established, making it excellent for water-wise landscaping in arid regions.
- Is Deer Grass toxic to dogs?
- Deer Grass is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
- Is Deer Grass toxic to cats?
- Deer Grass is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
- Is Deer Grass toxic to livestock?
- The USDA PLANTS Database does not flag Deer Grass as toxic to livestock.
- Is Deer Grass HOA-friendly?
- Deer Grass 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 Deer Grass? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
Not sure where to start? Take the 2-minute yard quiz