Western Wheat Grass
Elymus smithii
Last reviewed: August 2026
Elymus smithii (Western Wheat Grass) is a drought-tolerant native grass found across the western and central United States. It blooms from May through July and provides important habitat for bees and beetles.
Toxicity unknown
Western Wheat Grass (Elymus smithii) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
24"–48" H × 12"–24" W
Bloom
May, Jun, Jul
Native to
AZ, CA, CO, GA and 27 more states
Pollinators
bees, beetles
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaBrowse plants for this ecoregion
Elymus smithii is a native bunch grass that forms attractive clumps reaching 2-4 feet tall. This drought-tolerant perennial produces seed heads in late spring through summer and requires minimal water once established. It provides excellent structure and movement in the landscape while supporting local ecosystems.
Growing Western Wheat Grass
Grow Western Wheat Grass in full sun and low water. Mature plants reach 24 to 48 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Western Wheat Grass is an HOA-friendly choice. Maintenance level: low. Tidiness: 3 out of 5.
Works well in: mid zone, street edge.
- May appear too informal for conservative front yard plantings
- Height could obstruct sight lines near driveways
Wildlife value
This grass supports bees and beetles during its blooming period from May through July. The seed heads also provide food for birds and small mammals.
Common questions
- Where does Western Wheat Grass naturally grow?
- Elymus smithii is native to most of the western and central United States, from Washington and California east to the Great Plains and extending into parts of the Midwest and South.
- When does Western Wheat Grass bloom?
- Western Wheat Grass produces flower spikes from May through July, with peak blooming typically occurring in early summer.
- What pollinators visit Western Wheat Grass?
- Bees and beetles are the primary pollinators of Elymus smithii, visiting the grass flowers during the summer blooming period.
- How much water does Western Wheat Grass need?
- This native grass is well-adapted to low water conditions and drought, making it an excellent choice for xeriscaping and water-wise landscaping.
- Is Western Wheat Grass HOA-friendly?
- Western Wheat Grass is generally an HOA-friendly choice in the right placement, with low maintenance.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
See Western Wheat Grass in a real native yard
Western Wheat Grass is one of the natives used in these Patch Vision yard designs. Tap any one to see the before and after.
The after image is a Patch Vision preview, generated by an AI image model from the real yard photo. It replants the yard with native plants chosen to fit that yard's ecoregion, sun, and HOA strictness. The finished planting will look different.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Western Wheat 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