Native Plants

Salmon Wildrye

Leymus salinus salmonis

USDA symbol: LESAS2

perennial grass

Lower 48 states: native

If you’re looking for a truly authentic piece of the American West for your garden, Salmon wildrye (Leymus salinus salmonis) might catch your attention. This perennial native grass brings a slice of the Great Basin right to your backyard, though it’s definitely not your typical garden center find. Salmon wildrye ...

Salmon Wildrye may be listed as rare in your area.
Global Conservation Status

Status: S5T3? | Secure: At low or no risk of extinction in the area due to an extensive range, abundant populations, and with little to no concern of declines or threats.

Salmon Wildrye: A Specialized Native Grass for Western Gardens

If you’re looking for a truly authentic piece of the American West for your garden, Salmon wildrye (Leymus salinus salmonis) might catch your attention. This perennial native grass brings a slice of the Great Basin right to your backyard, though it’s definitely not your typical garden center find.

What Makes Salmon Wildrye Special?

Salmon wildrye is a native grass that calls the western United States home, specifically thriving in Idaho, Nevada, and Utah. As a perennial member of the grass family, it’s built to last through multiple growing seasons, developing deep root systems that help it survive in challenging conditions.

  • Species observed
  • No observations

This grass goes by the scientific name Leymus salinus salmonis, and you might occasionally see it referenced by its synonym, Elymus ambiguus var. salmonis. Don’t let the fancy names intimidate you – it’s simply a hardy western grass that’s adapted to some pretty tough growing conditions.

Should You Plant Salmon Wildrye?

Here’s where things get a bit tricky. Salmon wildrye has a conservation status that’s somewhat undefined (listed as S5T3?), which means experts aren’t entirely certain about its population status. This uncertainty is actually a good reason to proceed with caution.

If you’re drawn to this particular grass, here’s what you should consider:

  • Source responsibly: Only obtain plants or seeds from reputable native plant nurseries that can verify their sourcing
  • Consider alternatives: Other Leymus species might be more readily available and equally beautiful
  • Think local: This grass is specifically adapted to the Great Basin region, so it’s best suited for gardeners in its native range

Where Does Salmon Wildrye Shine?

This isn’t a grass for formal lawns or high-maintenance landscapes. Instead, salmon wildrye excels in:

  • Native plant gardens focused on Great Basin species
  • Naturalized areas that mimic wild ecosystems
  • Erosion control projects on challenging sites
  • Water-wise landscaping in appropriate regions

Growing Conditions and Care

Based on its native habitat, salmon wildrye likely prefers:

  • Soil: Well-draining soils, possibly with some salt tolerance
  • Water: Drought-tolerant once established, typical of Great Basin plants
  • Sun: Full sun exposure
  • Climate: Adapted to the temperature extremes of the intermountain west

Like most native grasses, salmon wildrye probably requires minimal care once established. The key is giving it time to develop its root system during the first growing season.

Wildlife and Ecosystem Value

As a native grass, salmon wildrye likely provides important habitat value in its natural ecosystem. Native grasses typically offer nesting sites for ground-dwelling birds, food sources for various wildlife, and help maintain soil health. However, as a wind-pollinated grass, it doesn’t offer the same direct pollinator benefits as flowering native plants.

The Bottom Line

Salmon wildrye represents a piece of authentic western American landscape, but it’s not the easiest native grass to work with for most gardeners. Its uncertain conservation status means you’ll want to be extra careful about sourcing, and its specialized habitat requirements make it most suitable for gardeners in its native range who are creating naturalized landscapes.

If you’re passionate about Great Basin natives and can source this grass responsibly, it could be a meaningful addition to a specialized native garden. However, for most gardeners interested in native grasses, exploring more widely available Leymus species or other regional native grasses might be a more practical choice that still supports local ecosystems.

Leymus salinus salmonis is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Leymus salinus salmonis is also known as:

Elymus ambiguus Vasey & var. salmonis | USDA symbol: ELAMS2

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Monocot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Liliopsida - Monocotyledons
Subclass: Commelinidae
Order: Cyperales
Family: Poaceae Barnhart - Grass family
Genus: Leymus Hochst. - wildrye

Species: Leymus salinus (M.E. Jones) Á. Löve - saline wildrye

Subspecies: Leymus salinus (M.E. Jones) Á. Löve ssp. salmonis (C.L. Hitchc.) Atkins - Salmon wildrye

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA