Also known as Canada Wildrye · Great Plains Wild Rye · Great Plains Wildrye
Canada wild rye (Elymus canadensis) is a clump-forming native grass valued for its attractive seed heads and ecological benefits.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Thrives in full sun but tolerates partial shade.
Moderate
50% intensity
Prefers consistent moisture, allow soil to dry slightly between waterings.
Adaptable, prefers well-drained soils
50% intensity
Moderate
50% intensity
Adaptable to a wide range of temperatures, hardy in USDA zones 3-8.
Low
25% intensity
Not a heavy feeder, benefits from light spring application of balanced fertilizer.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Canada wild rye prefers consistent moisture, especially during establishment. Water deeply once or twice a week in the absence of rain.
Reduce watering frequency as the plant matures, allowing the soil to dry slightly between waterings. Avoid waterlogged conditions, which can lead to root rot.
Minimal pruning is required. Remove dead or damaged foliage in late winter or early spring before new growth emerges.
Cut back old flower stalks after seeds have dispersed if desired for a tidier appearance, but leaving them can provide winter interest and food for wildlife.
Canada wild rye is easily propagated by seed. Sow seeds in fall or early spring. Division of established clumps in early spring is also effective. Space divisions about 30-60 cm apart.
It readily self-seeds in suitable conditions.
Repotting is generally not applicable for this perennial grass when grown in its native habitat or established garden beds. If growing in containers, repot every 2-3 years in early spring into a slightly larger pot using a well-draining potting mix to prevent overcrowding.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Canada Wild Rye (Elymus canadensis)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Poales |
| Family | Poaceae |
| Genus | Elymus |
| Species | Elymus canadensis |
Similar in genus Elymus
Answers based on plant encyclopedia data
