North America Native Plant

Wiegand’s Wildrye

Botanical name: Elymus wiegandii

USDA symbol: ELWI

Life cycle: perennial

Habit: grass

Native status: Native to Canada ⚘ Native to the lower 48 states  

Synonyms: Elymus canadensis L. var. wiegandii (Fernald) Bowden (ELCAW)  ⚘  Elymus canadensis L. ssp. wiegandii (Fernald) Á. Löve (ELCAW3)   

Wiegand’s Wildrye: A Hardy Native Grass for Your Natural Landscape If you’re looking to add some authentic North American character to your garden, meet Wiegand’s wildrye (Elymus wiegandii) – a resilient native grass that’s been quietly beautifying our landscapes for centuries. This unassuming perennial might not win any flashy flower ...

Wiegand’s Wildrye: A Hardy Native Grass for Your Natural Landscape

If you’re looking to add some authentic North American character to your garden, meet Wiegand’s wildrye (Elymus wiegandii) – a resilient native grass that’s been quietly beautifying our landscapes for centuries. This unassuming perennial might not win any flashy flower contests, but it’s got the kind of steady, dependable charm that makes it a true garden workhorse.

What Makes Wiegand’s Wildrye Special?

Wiegand’s wildrye is a native perennial grass that belongs to the broader wildrye family. You might occasionally see it listed under its scientific synonyms, including Elymus canadensis var. wiegandii, but don’t let the name variations confuse you – it’s the same reliable plant either way.

As a graminoid (that’s just a fancy way of saying grass-like plant), this species brings natural texture and movement to any landscape. Its arching growth habit and graceful seed heads create visual interest throughout the growing season, swaying gently in even the lightest breeze.

Where Does It Call Home?

This truly North American native has an impressive range, naturally occurring across both Canada and the lower 48 states. You’ll find it growing wild from the Maritime provinces of New Brunswick and Quebec, west to Saskatchewan, and throughout much of the northern and central United States, including Connecticut, Iowa, Kentucky, Maine, Massachusetts, Michigan, Minnesota, New Hampshire, New Jersey, New York, North Dakota, Pennsylvania, South Dakota, Vermont, Wisconsin, and Wyoming.

Growing Conditions and Hardiness

One of Wiegand’s wildrye’s best features is its adaptability. This grass thrives in USDA hardiness zones 3-7, making it suitable for most northern and central regions. It’s classified as facultative across all wetland regions, which means it’s equally happy in both wet and dry conditions – talk about flexibility!

Here’s what this grass loves:

  • Full sun to partial shade (though it prefers more sun)
  • Various soil types, from clay to sandy loam
  • Both moist and well-drained conditions
  • pH levels from slightly acidic to neutral

Why Plant Wiegand’s Wildrye?

While this grass might seem understated compared to showier garden plants, it offers several compelling reasons to include it in your landscape:

  • Low maintenance: Once established, it requires minimal care and is quite drought tolerant
  • Erosion control: Its root system helps stabilize soil on slopes and banks
  • Wildlife habitat: Provides structure and shelter for beneficial insects and small wildlife
  • Natural aesthetics: Perfect for prairie gardens, naturalized areas, and native plant landscapes
  • Seasonal interest: Attractive seed heads add texture and movement from summer through winter

Perfect Garden Settings

Wiegand’s wildrye isn’t meant for formal, manicured gardens – and that’s exactly what makes it special. This grass truly shines in:

  • Prairie and meadow restorations
  • Rain gardens and bioswales
  • Native plant gardens
  • Naturalized landscape areas
  • Erosion-prone slopes
  • Wildlife habitat gardens

Planting and Care Tips

Growing Wiegand’s wildrye is refreshingly straightforward. Here’s how to get started:

Planting: The best time to plant is either in fall or early spring. If starting from seed, scatter them in prepared soil and lightly rake in – they need good soil contact but shouldn’t be buried too deeply.

Establishment: Water regularly during the first growing season to help roots establish. After that, this grass becomes quite self-sufficient.

Maintenance: Very little is needed! You can cut it back in late winter or early spring if desired, but many gardeners prefer to leave the seed heads standing for winter interest and wildlife benefit.

The Bottom Line

Wiegand’s wildrye might not be the star of your garden show, but it’s definitely a reliable supporting actor that makes everything else look better. If you’re creating a native landscape, restoring a prairie area, or simply want a low-maintenance grass that supports local ecosystems, this native wildrye is an excellent choice. It’s proof that sometimes the most valuable garden plants are the ones that know how to blend in while quietly doing all the important work behind the scenes.

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

Alaska

FAC

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

Atlantic and Gulf Coastal Plain

FAC

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

Eastern Mountains and Piedmont

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

Midwest

FAC

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

Northcentral & Northeast

FAC

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

Western Mountains, Valleys, and Coast

FAC

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

Wiegand’s 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

Elymus L. - wildrye

Species

Elymus wiegandii Fernald - Wiegand's wildrye

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