Tall wheatgrass Plant Care
Thinopyrum elongatum (Host) D.R.Dewey
Updated · Sources · How we source care data
Thinopyrum elongatum, the tall wheatgrass, is a species of perennial herb in the family Poaceae. They have a self-supporting growth form and simple, broad leaves and yellow flowers.
Every 7–14 days
Full sun to partial shade
60–85°F
40–70%
At a glance
How do you care for Tall wheatgrass?
Water Tall wheatgrass 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 60–85°F (16–29°C) and 40–70% humidity. Fertilize it every 8 months during the growing season.
What Is the Tall wheatgrass?
Tall wheatgrass (Thinopyrum elongatum) belongs to the Poaceae family within the Thinopyrum genus. Tall wheatgrass is also known as European beachgrass.
Tall wheatgrass displays a tall, upright grass growth habit, reaching up to 5 ft tall with a spread of approximately 2 ft. Tall wheatgrass produces inconspicuous flowers on tall spikes.
Leaf size: approximately 12 inches.
How Often Should You Water a Tall wheatgrass?
Thinopyrum elongatum 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 Tall wheatgrass Need?
Tall wheatgrass thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Tall wheatgrass Prefer?
Thinopyrum elongatum grows best at temperatures of 60–85°F. Tall wheatgrass prefers humidity levels of 40–70%.
Temperature
60–85°F
Humidity
40–70%
What Soil Mix Works Best for a Tall wheatgrass?
Well-draining loamy soil with good organic content. Good drainage is essential for Tall wheatgrass to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Tall wheatgrass?
Feed Tall wheatgrass every 8 months 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 8 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Tall wheatgrass?
Divide and replant 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 Tall wheatgrass?
Tall wheatgrass can be propagated through division, seeds.
Is the Tall wheatgrass Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Tall wheatgrass, 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 Tall wheatgrass?
Tall wheatgrass is susceptible to aphids, grasshoppers. 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 Tall wheatgrass Need?
Tall wheatgrass grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Tall wheatgrass as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Tall wheatgrass 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 Thinopyrum genus — compare its care with other Thinopyrum species on PlantoScan.
Thinopyrum is part of the Poaceae plant family — browse all Poaceae genera and species.
Tall wheatgrass thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Thinopyrum elongatum (Host) D.R.Dewey, family Poaceae (first published in Gene Manipulat. in Pl. Improv. : 274 (1984)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Tall wheatgrass, 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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