Thinleaf wildrye Plant Care
Leymus angustus (Trin.) Pilg.
Updated · Sources · How we source care data
With its striking blue-green foliage and distinctive narrow leaves, this plant originates from the coastal regions of North America. Plant collectors are drawn to Leymus angustus for its unique coloration and ability to thrive in sandy soils and salty environments.
Every 7–14 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for Thinleaf wildrye?
Water Thinleaf wildrye every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every month during the growing season.
Where Is the Thinleaf wildrye Native To?
- Albania
- Austria
- Belarus
- Belgium
- Bosnia and Herzegovina
- Bulgaria
- Croatia
- Cyprus
- Czechia
- Denmark
- Estonia
- Finland
- France
- Germany
- Greece
- Hungary
- Iceland
- Ireland
- Italy
- Latvia
- Lithuania
- Luxembourg
- Malta
- Moldova
- Montenegro
- North Macedonia
- Norway
- Poland
- Portugal
- Romania
- Russia
- Serbia
- Slovakia
- Slovenia
- Spain
- Sweden
- Switzerland
- The Netherlands
- Ukraine
- United Kingdom
What Is the Thinleaf wildrye?
Thinleaf wildrye (Leymus angustus) belongs to the Poaceae family within the Leymus genus. Thinleaf wildrye is native to Asia and Europe and. Thinleaf wildrye is also known as Narrowleaf wildrye.
Thinleaf wildrye displays a clumping grass growth habit, reaching up to 2 ft tall with a spread of approximately 1.5 ft. Thinleaf wildrye produces small spikelets in clusters, not showy.
Leaf size: approximately 12 inches.
How Often Should You Water a Thinleaf wildrye?
Leymus angustus 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 Thinleaf wildrye Need?
Thinleaf wildrye thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Thinleaf wildrye Prefer?
Leymus angustus grows best at temperatures of 50–80°F. Thinleaf wildrye prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Thinleaf wildrye?
Well-draining sandy soil with good aeration. Good drainage is essential for Thinleaf wildrye to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Thinleaf wildrye?
Feed Thinleaf wildrye every month during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every month
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Thinleaf wildrye?
Divide clumps every 2-3 years in early spring. 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 Thinleaf wildrye?
Thinleaf wildrye can be propagated through division, seed sowing. Similar propagation techniques also apply to leymus akmolinensis plant care, which shares the same genus.
Is the Thinleaf wildrye Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Thinleaf wildrye, 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 Thinleaf wildrye?
Thinleaf wildrye 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 Thinleaf wildrye Need?
Thinleaf wildrye grows outdoors in USDA Zone 3a – 8b. It survives winters down to planting zone 3a. Thinleaf wildrye is native to Asia and Europe and.
Hardiness Zone
Zone 3a – 8b
Keep exploring plants
Thinleaf wildrye 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 Leymus genus — compare its care with other Leymus species on PlantoScan.
Leymus is part of the Poaceae plant family — browse all Poaceae genera and species.
Thinleaf wildrye thrives in bright light and direct sun — see other bright-light plants.
More Leymus Species
Other Leymus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Leymus angustus (Trin.) Pilg., family Poaceae (first published in Bot. Jahrb. Syst. 74: 6 (1947)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Thinleaf wildrye, 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 3a – 8b, estimated from the plant's typical growing conditions.
- 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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