Contracted cupgrass Plant Care

Eriochloa contracta Hitchc.

Updated · Sources · How we source care data

Eriochloa contracta is a species of grass known by the common name prairie cupgrass. It is native to the central United States and it is naturalized in areas to the east and west, where it is often a weed, especially in moist areas.

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Water

Every 7–14 days

Light

Full sun

Temp

65–85°F

Humidity

40–70%

At a glance

How do you care for Contracted cupgrass?

Water Contracted cupgrass every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 65–85°F (18–29°C) and 40–70% humidity.

Where Is the Contracted cupgrass Native To?

Native range1 country

What Is the Contracted cupgrass?

Contracted cupgrass (Eriochloa contracta) belongs to the Poaceae family within the Eriochloa genus. Contracted cupgrass is native to the central United States and.

Contracted cupgrass displays a tall, upright grass growth habit, reaching up to 6 ft tall with a spread of approximately 0.5 ft. Contracted cupgrass produces inconspicuous flowers on tall spikes.

Leaf size: approximately 12 inches.

How Often Should You Water a Contracted cupgrass?

Eriochloa contracta 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 Contracted cupgrass Need?

Contracted cupgrass thrives in full sun.

Light Requirement

Full sun

What Temperature and Humidity Does the Contracted cupgrass Prefer?

Eriochloa contracta grows best at temperatures of 65–85°F. Contracted cupgrass prefers humidity levels of 40–70%.

Temperature

65–85°F

Humidity

40–70%

What Soil Mix Works Best for a Contracted cupgrass?

Well-draining loamy soil with high organic content. Good drainage is essential for Contracted cupgrass to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Contracted cupgrass?

Does not require repotting. 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 Contracted cupgrass?

Contracted cupgrass can be propagated through seeds. Similar propagation techniques also apply to amazon sprangletop plant care, which shares the same genus.

Is the Contracted cupgrass Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Contracted cupgrass, 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 Contracted cupgrass?

Contracted cupgrass is susceptible to grasshoppers, armyworms, 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 Contracted cupgrass Need?

Contracted cupgrass grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Contracted cupgrass is native to the central United States and. In cooler regions, grow Contracted cupgrass as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

Contracted cupgrass 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 Eriochloa genus — compare its care with other Eriochloa species on PlantoScan.

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

Contracted cupgrass 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: Eriochloa contracta Hitchc., family Poaceae (first published in Proc. Biol. Soc. Washington 41: 163 (1928)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Contracted cupgrass, 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 13b, 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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