Three-lobed Threeawn Plant Care

Chondrosum trifidum (Thurb.) Clayton

Updated · Sources · How we source care data

Bouteloua trifida is a species of grass known by the common name red grama. It is native to central and northern Mexico and the Southwestern United States, where it grows in desert scrub and other dry areas.

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Water

Every 7–14 days

Light

Full sun to partial shade

Temp

65–85°F

Humidity

40–70%

At a glance

How do you care for Three-lobed Threeawn?

Water Three-lobed Threeawn 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 65–85°F (18–29°C) and 40–70% humidity. Fertilize it every 8 months during the growing season.

Where Is the Three-lobed Threeawn Native To?

Native range2 countries

What Is the Three-lobed Threeawn?

Three-lobed Threeawn (Chondrosum trifidum) belongs to the Poaceae family within the Chondrosum genus. Three-lobed Threeawn is native to central and northern Mexico and the Southwestern United States. Three-lobed Threeawn is also known as Three-lobed Needlegrass.

Three-lobed Threeawn displays a tall, clumping grass growth habit, reaching up to 6 ft tall with a spread of approximately 2 ft. Three-lobed Threeawn produces small inconspicuous flowers in spikelets.

Leaf size: approximately 12 inches.

How Often Should You Water a Three-lobed Threeawn?

Chondrosum trifidum 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 Three-lobed Threeawn Need?

Three-lobed Threeawn thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Three-lobed Threeawn Prefer?

Chondrosum trifidum grows best at temperatures of 65–85°F. Three-lobed Threeawn prefers humidity levels of 40–70%.

Temperature

65–85°F

Humidity

40–70%

What Soil Mix Works Best for a Three-lobed Threeawn?

Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Three-lobed Threeawn to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Three-lobed Threeawn?

Feed Three-lobed Threeawn 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 Three-lobed Threeawn?

Divide and repot 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 Three-lobed Threeawn?

Three-lobed Threeawn can be propagated through division, seed sowing. Similar propagation techniques also apply to bearded chloris plant care, which shares the same genus.

Is the Three-lobed Threeawn Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Three-lobed Threeawn, 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 Three-lobed Threeawn?

Three-lobed Threeawn is susceptible to aphids, grasshoppers, armyworms. 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 Three-lobed Threeawn Need?

Three-lobed Threeawn grows outdoors in USDA Zone 7a – 10b. It survives winters down to planting zone 7a. Three-lobed Threeawn is native to central and northern Mexico and the Southwestern United States.

Hardiness Zone

Zone 7a – 10b

Keep exploring plants

Three-lobed Threeawn 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 Chondrosum genus — compare its care with other Chondrosum species on PlantoScan.

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

Three-lobed Threeawn 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: Chondrosum trifidum (Thurb.) Clayton, family Poaceae (first published in Kew Bull. 37(3): 418. 1982 [30 Dec 1982]) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Three-lobed Threeawn, 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 7a – 10b, 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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