Elymus canadensis

Elymus canadensis, synonyms including Elymus wiegandii, commonly known as Canada wild rye or Canadian wildrye, is a species of wild rye native to much of North America. It is most abundant in the central plains and Great Plains. It grows in a number of ecosystems, including woodlands, savannas, dunes, and prairies, sometimes in areas that have been disturbed.

Description

A grass which keeps growing from year to year. It grows 90-150 cm high and spreads 60-90 cm wide. The flower-heads are greenish and like wheat. The seed plumes turn gold on ripening.

Edible Uses

The edible part is the grain. Like other wildryes and wild grass cereals, the seeds can be harvested, dried, threshed, cleaned, and then either cooked whole, toasted, or ground into meal. The grain is the only significant food use in this context. Edible Uses & Rating: Canadian wildrye ranks as a moderate wild grain. It does not offer the ease or yield of a domesticated cereal, but it can provide a useful small-seeded grain from naturally occurring stands. It is best considered a supplementary cereal rather than a primary staple, though in regions where it is abundant, it can make a real contribution. Taste, Processing & Kitchen Notes: The grains are best treated as a starchy wild cereal. Once cleaned, they can be simmered into porridge, lightly toasted for a more rounded grain flavor, or milled into a coarse flour. As with many small wild grasses, the key to good kitchen use is cleaning rather than elaborate culinary technique. Toasting generally improves the flavor and helps reduce any raw grassy note. Whole-grain use is possible, though cracked or ground grain cooks faster and more evenly. Seasonality (Phenology): Canadian wildrye flowers and sets seed through the warm season, with mature grain generally available in late summer into autumn. The exact timing varies with latitude and moisture, but seed harvest typically falls within the late-season wild-grain window. Safety & Cautions (Food Use): The main caution is practical rather than toxicological. The awns and bristles of the seed heads can be irritating to handle, and the grain must be gathered cleanly and well dried before storage. As with all roadside or ditch-edge grasses, avoid harvesting from contaminated sites such as roadsides, industrial margins, or sprayed field edges. Harvest & Processing Workflow. Gather mature seed heads when they are fully formed and beginning to dry. Cut the heads into a bag, dry further if needed, then thresh by rubbing or beating. Winnow away the chaff and awns. The cleaned grain can then be stored dry, toasted, cooked whole, or ground into meal. Cultivar/Selection Notes. Canadian wildrye is sometimes used in restoration and native planting work, but not usually as a food crop. If selecting a stand for harvest, the best targets are large, healthy patches with heavy seed set and relatively uniform maturity. Look-Alikes & Confusion Risks. It can resemble other wildryes and Elymus-type grasses, especially when not fully mature. For a grain gatherer, this is usually not a major safety problem because the closely related grasses in this context are also edible as grains. Exact species identification is more useful for understanding habitat, timing, and likely harvest yield than for avoiding poisoning. Traditional/Indigenous Use Summary. Canadian wildrye belongs to the wider North American tradition of gathering wild grass grains. Its inclusion among edible grains used by Indigenous peoples in the Great Basin and surrounding areas fits the broader pattern of small grass seeds contributing seasonal carbohydrates where they occurred in quantity. Seed - cooked. It can be ground into a flour and used to make bread. Quite fiddly to use, the seed is small and difficult to separate. The seed was an important item of food for the Paiute Indians of south-western N. America.

Traditional Uses

The seeds are eaten.

This uses section is brief — help expand it

Medicinal Uses

Elymus canadensis (Canadian Wild Rye) is primarily known for its role in ecological restoration and as a native grass, rather than having recognized, well-documented medicinal uses. While some closely related species like Elymus repens (Couch Grass) have well-known, diuretic medicinal properties, E. canadensis is mainly valued for soil erosion control, forage, and historically, its edible seeds.

Known Hazards

The main caution is practical rather than toxicological. The awns and bristles of the seed heads can be irritating to handle, and the grain must be gathered cleanly and well dried before storage. As with all roadside or ditch-edge grasses, avoid harvesting from contaminated sites such as roadsides, industrial margins, or sprayed field edges.

Distribution

It is a temperate plant. It is drought tolerant. It suits hardiness zones 3-9.

Where It Grows

Alaska, Australia, Canada, North America, Slovenia, USA,

Cultivation

Canadian wildrye is a dependable, regionally useful grain grass with modest but real food value. Its main strengths are abundance in suitable habitats and its standing as a practical native wild cereal. Growing Conditions: This species grows well in full sun to light shade and favors open ground with at least moderate soil moisture during the growing season. It commonly performs best in meadows, prairie edges, open woodland margins, and riparian corridors. Habitat & Range: Canadian wildrye is native across much of North America and is especially common in central and eastern prairies, open meadows, stream edges, and disturbed but not overly dry ground. In the West it also occurs in suitable meadow and riparian situations. Size & Landscape Performance: It is a tall, graceful bunchgrass with attractive, arching seed heads that give movement and texture to naturalistic landscapes. In native plantings, it can be visually striking in the late season. Cultivation (Horticulture): It is widely used in native restoration, pollinator-supporting grasslands, and ornamental prairie-style plantings. It establishes fairly well from seed and usually performs best where not crowded by aggressive exotic grasses. Pests & Problems: The main issues are not usually pests but competition, lodging in rich soils, or seed loss if harvest is delayed too long. In cultivation it can be short-lived in some heavily disturbed settings. Identification & Habit: Canadian wildrye is a perennial bunchgrass with upright stems, relatively broad leaves for a native wildrye, and elongated, nodding heads with obvious awns. It has a fuller, more robust look than many smaller squirreltails. Pollinators.: Like nearly all grasses, it is wind-pollinated and does not depend on insect pollinators. Canadian wildrye, now best referred to as Elymus canadensis, belongs to the grass family (Poaceae) and the genus Elymus. Common names include Canadian wildrye and Canada wildrye. It is a hardy perennial bunchgrass that generally performs across USDA Zones 3–9. Mature plants often reach about 60–150 cm in height, with clumps usually spreading 30–60 cm across, sometimes more in favorable soils. An easily grown plant, it succeeds in most soils, preferring a sandy soil and a sunny position. Plants can flower too late to ripen their seed in Britain, especially in the western half of the country. A polymorphic species.

Propagation

Sow seed directly in situ in mid spring, barely covering it, and germination should occur within two weeks. If seed is limited, it can be sown in mid spring in a cold frame, again just barely covered. Prick seedlings out into individual pots when large enough to handle and plant out in summer. Division in spring or summer is also very easy — larger clumps can go directly into their permanent positions, while smaller clumps are best potted up and grown on in a cold frame until rooting well before planting out in spring.

Other Uses

The plant has an extensive root system that makes it useful for binding sand dunes and stabilising soil.

Notes

There are 150 Elymus species. They are temperate.

Synonyms

Also Known As

Kanadski bored

References (8)

• Beckstrom-Sternberg, Stephen M., and James A. Duke. "The Foodplant Database." http://probe.nalusda.gov:8300/cgi-bin/browse/foodplantdb.(ACEDB version 4.0 - data version July 1994)
• Brickell, C. (Ed.), 1999, The Royal Horticultural Society A-Z Encyclopedia of Garden Plants. Convent Garden Books. p 394
• Cundall, P., (ed.), 2004, Gardening Australia: flora: the gardener's bible. ABC Books. p 535
• Facciola, S., 1998, Cornucopia 2: a Source Book of Edible Plants. Kampong Publications, p 175
• Kermath, B. M., et al, 2014, Food Plants in the Americas: A survey of the domesticated, cultivated and wild plants used for Human food in North, Central and South America and the Caribbean. On line draft. p 334

More from Poaceae

Ophiuros exaltatus

Rice grass, Canegrass

Oryza australiensis

Australian wild rice

Oryza barthii

African perennial rice

Oryza coarctata

Oryza glaberrima

Floating rice, African rice

Oryza glaberrima subsp. stapfii

African rice