How much sun does Beardless wild rye need?

Beardless wild rye grows best in full sun conditions.

When does Beardless wild rye bloom?

Beardless wild rye blooms in May, June, and July.

Where is Beardless wild rye native?

Beardless wild rye (Leymus triticoides) is native to AZ, CA, CO, ID and 8 more states, per the World Checklist of Vascular Plants (Kew).

Beardless wild rye

Name: Pollinator Patch
Author: Pollinator Patch

Leymus triticoides

Last reviewed: September 2026

Beardless wild rye (Leymus triticoides) is a perennial grass native to AZ, CA, CO, ID and 8 more states. It blooms in May, June, and July.

Toxicity unknown

Beardless wild rye (Leymus triticoides) 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

medium

Size

18"–48" H × 24"–60" W

Bloom

May, Jun, Jul

Native to

AZ, CA, CO, ID and 8 more states

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 458 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

Coast Range Marine West Coast Forest Northwestern Forested Mountains Sierra Nevada Central California Foothills and Coastal Mountains Central California Valley Southern California Mountains North American Deserts Central Basin and Range Mojave Basin and Range Southern Rockies Arizona/New Mexico Mountains Madrean Archipelago Sonoran Basin and Range Southern California/Northern Baja Coast

Rhizomatous perennial grass with blue-green blades that spreads to form dense colonies, sending up narrow bristly seed heads in early summer. Common in moist meadows, alkaline flats, and floodplains, where it is useful for erosion control.

Growing Beardless wild rye

Grow Beardless wild rye in full sun and medium water. Mature plants reach 18 to 48 inches tall and spread 24 to 60 inches wide.

Wildlife value

Seeds and foliage provide food and cover for grassland birds and small mammals.

Common questions

How much sun does Beardless wild rye need?: Beardless wild rye grows best in full sun conditions.
When does Beardless wild rye bloom?: Beardless wild rye blooms in May, June, and July.
Where is Beardless wild rye native?: Beardless wild rye (Leymus triticoides) is native to AZ, CA, CO, ID and 8 more states, per the World Checklist of Vascular Plants (Kew).

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

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