North America Native Plant

Beardless Wildrye

Botanical name: Leymus triticoides

USDA symbol: LETR5

Life cycle: perennial

Habit: grass

Native status: Native to Canada âš˜ Non-native, reproduces and persists in the wild in Hawaii âš˜ Native to the lower 48 states  

Synonyms: Elymus condensatus J. Presl var. triticoides (Buckley) Thurb. (ELCOT)  âš˜  Elymus orcuttianus Vasey (ELOR2)  âš˜  Elymus triticoides Buckley (ELTR3)  âš˜  Elymus triticoides Buckley var. pubescens Hitchc. (ELTRP)   

Beardless Wildrye: The Tough Prairie Grass Your Garden Needs If you’re looking for a no-fuss native grass that can handle just about anything Mother Nature throws at it, let me introduce you to beardless wildrye (Leymus triticoides). This hardy perennial grass might not win any beauty contests, but what it ...

Beardless Wildrye: The Tough Prairie Grass Your Garden Needs

If you’re looking for a no-fuss native grass that can handle just about anything Mother Nature throws at it, let me introduce you to beardless wildrye (Leymus triticoides). This hardy perennial grass might not win any beauty contests, but what it lacks in flashy flowers, it more than makes up for in pure, stubborn resilience.

Meet the Beardless Wildrye

Also known as creeping wildrye, this tough customer is a true native across most of western North America. It’s the kind of plant that thrives where others give up – in salty soils, during droughts, and in spots where you need something that won’t quit. Growing up to 3 feet tall with a distinctly upright, somewhat coarse appearance, beardless wildrye isn’t trying to be pretty – it’s trying to survive and help your landscape do the same.

Where Does It Call Home?

Beardless wildrye is native throughout much of western North America, naturally occurring from British Columbia down through California and across to states like Colorado, Montana, and even Texas. You’ll find it growing wild in Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming. It’s also been introduced to Hawaii, where it’s established itself quite successfully.

Why Your Garden Might Love This Grass

Here’s where beardless wildrye really shines – it’s the ultimate problem-solver plant. Got a slope that keeps washing away? This grass spreads by underground stems (rhizomes) and creates a living carpet that holds soil in place. Dealing with salty soil conditions that kill other plants? Beardless wildrye just shrugs and keeps growing. Tired of babying plants through dry spells? This drought champion can handle as little as 7 inches of annual precipitation.

The grass grows rapidly once established and has a long lifespan, making it an excellent investment for restoration projects, prairie gardens, and naturalistic landscapes. While it won’t give you showy flowers (the small yellow blooms are pretty unremarkable), it provides excellent structural backbone to native plant communities.

Perfect Spots for Planting

Beardless wildrye is ideal for:

  • Erosion control on slopes and banks
  • Prairie and meadow restorations
  • Xeriscaping and drought-tolerant landscapes
  • Areas with challenging soil conditions
  • Large naturalistic plantings
  • Wildlife habitat projects

Growing Conditions That Make It Happy

This grass is remarkably adaptable, but it does have some preferences. It thrives in USDA hardiness zones 3-9 and can handle winter temperatures down to -43°F (talk about cold hardy!). Beardless wildrye prefers:

  • Soil: Adapts to medium and fine-textured soils; handles both alkaline conditions (pH up to 9.0) and moderate acidity (pH down to 6.0)
  • Water: High drought tolerance once established, though it uses a fair amount of water when available
  • Sun: Full sun – it won’t tolerate shade
  • Salt: Excellent salt tolerance, making it perfect for roadside plantings or coastal areas
  • Fire: High fire tolerance, bouncing back after burns

Planting and Care Tips

Getting beardless wildrye established is straightforward, though it does require a bit of patience initially:

Planting: Start with seed (about 170,000 seeds per pound!) or sprigs in spring. Seeds need cold stratification, so plant in fall or give them a cold, moist treatment before spring planting. Plant 3,000-11,000 plants per acre depending on your goals.

Early care: Seedlings start slowly with low vigor, so be patient the first year. Keep the area weed-free while young plants establish.

Ongoing maintenance: Once established, this grass is virtually maintenance-free. It spreads moderately by rhizomes but isn’t aggressive. The grass is active during spring, summer, and fall, going dormant in winter.

Water needs: Drought tolerant when mature, but appreciates supplemental water in very dry conditions.

What About Wildlife?

While beardless wildrye is primarily wind-pollinated (so it won’t attract butterflies and bees like wildflowers do), it serves other important ecological functions. Its dense growth provides cover for small wildlife, and the seeds, though not abundant, can feed birds and small mammals. The grass also creates habitat structure that supports the broader ecosystem.

The Verdict

Beardless wildrye might not be the star of your garden, but it’s definitely the reliable workhorse you can count on. If you need erosion control, want to establish a prairie planting, or have challenging growing conditions that defeat other plants, this tough native grass deserves serious consideration. It’s the plant equivalent of that dependable friend who’s always there when you need them – maybe not flashy, but absolutely invaluable.

Just remember: this grass needs full sun and room to spread. It’s not the right choice for small, formal gardens or shady spots. But for the right location and purpose, few plants can match its combination of toughness, utility, and native authenticity.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Great Plains

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Hawaii

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Western Mountains, Valleys, and Coast

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Beardless Wildrye

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Poaceae Barnhart - Grass family

Genus

Leymus Hochst. - wildrye

Species

Leymus triticoides (Buckley) Pilg. - beardless wildrye

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