Wallaby Grass Plant Care

Triodia irritans R.Br.

Updated · Sources · How we source care data

Triodia irritans is a species of plant that forms low and dense mounds of tough grassy vegetation. It is found on sandplains in arid regions of southern and central Australia.

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Water

Every 14–21 days

Light

Full sun

Temp

60–80°F

Humidity

30–60%

At a glance

How do you care for Wallaby Grass?

Water Wallaby Grass every 14–21 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 30–60% humidity.

What Is the Wallaby Grass?

Wallaby Grass (Triodia irritans) belongs to the Poaceae family within the Triodia genus. Wallaby Grass is also known as Irritating Spinifex.

Wallaby Grass displays a tussock-forming grass growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Wallaby Grass produces small inconspicuous flowers on tall stems.

Leaf size: approximately 12 inches.

How Often Should You Water a Wallaby Grass?

Triodia irritans requires watering every 14–21 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 14–21 days

Let soil partially dry between waterings

What Light Does the Wallaby Grass Need?

Wallaby Grass thrives in full sun.

Light Requirement

Full sun

What Temperature and Humidity Does the Wallaby Grass Prefer?

Triodia irritans grows best at temperatures of 60–80°F. Wallaby Grass prefers humidity levels of 30–60%.

Temperature

60–80°F

Humidity

30–60%

What Soil Mix Works Best for a Wallaby Grass?

Well-draining sandy soil with low fertility. Good drainage is essential for Wallaby Grass to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Wallaby Grass?

Rarely requires 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 Wallaby Grass?

Wallaby Grass can be propagated through seeds.

Is the Wallaby Grass Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Wallaby Grass, 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 Wallaby Grass?

Wallaby Grass is susceptible to 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 Wallaby Grass Need?

Wallaby Grass grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Wallaby Grass as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Wallaby Grass 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 Triodia genus — compare its care with other Triodia species on PlantoScan.

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

Wallaby Grass 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: Triodia irritans R.Br., family Poaceae (first published in Prodr. Fl. Nov. Holland. : 182 (1810)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Wallaby Grass, 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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