Alaska Wild Rye Plant Care

Elymus alaskanus (Scribn. & Merr.) Á.Löve

Updated · Sources · How we source care data

Elymus alaskanus, more commonly known as Alaskan wheatgrass, is an autogamous perennial that is native to North America and part of the family Poaceae. This complex is widespread and has diverged into different taxa based on morphological and cytological studies.

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Water

Every 7–14 days

Light

Full sun

Temp

60–80°F

Humidity

40–70%

At a glance

How do you care for Alaska Wild Rye?

Water Alaska Wild Rye every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 60–80°F (16–27°C) and 40–70% humidity.

Where Is the Alaska Wild Rye Native To?

Native range3 countries

What Is the Alaska Wild Rye?

Alaska Wild Rye (Elymus alaskanus) belongs to the Poaceae family within the Elymus genus. Alaska Wild Rye is native to North America and part of the family Poaceae.

Alaska Wild Rye displays a tall, upright grass growth habit, reaching up to 5 ft tall with a spread of approximately 2 ft. Alaska Wild Rye produces inflorescence with spikelets.

Leaf size: approximately 12 inches.

How Often Should You Water a Alaska Wild Rye?

Elymus alaskanus requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–14 days

Let soil partially dry between waterings

What Light Does the Alaska Wild Rye Need?

Alaska Wild Rye thrives in full sun.

Light Requirement

Full sun

What Temperature and Humidity Does the Alaska Wild Rye Prefer?

Elymus alaskanus grows best at temperatures of 60–80°F. Alaska Wild Rye prefers humidity levels of 40–70%.

Temperature

60–80°F

Humidity

40–70%

What Soil Mix Works Best for a Alaska Wild Rye?

Well-draining loamy soil with good fertility. Good drainage is essential for Alaska Wild Rye to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Alaska Wild Rye?

Divide and replant every 2-3 years. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Alaska Wild Rye?

Alaska Wild Rye can be propagated through division, seed sowing. Similar propagation techniques also apply to mediterranean wild rye plant care, which shares the same genus.

Is the Alaska Wild Rye Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Alaska Wild Rye, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Alaska Wild Rye?

Alaska Wild Rye is susceptible to aphids, grasshoppers, cutworms. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Alaska Wild Rye Need?

Alaska Wild Rye grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Alaska Wild Rye is native to North America and part of the family Poaceae. In cooler regions, grow Alaska Wild Rye as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Alaska Wild Rye is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Elymus genus — compare its care with other Elymus species on PlantoScan.

Elymus is part of the Poaceae plant family — browse all Poaceae genera and species.

Alaska Wild Rye thrives in bright light and direct sun — see other bright-light plants.

More Elymus Species

Other Elymus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Elymus alaskanus (Scribn. & Merr.) Á.Löve, family Poaceae (first published in Taxon 19: 299 (1970)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Alaska Wild Rye, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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