Actinoschoenus quadricostatus Plant Care

Actinoschoenus quadricostatus Rye, R.L.Barrett & M.D.Barrett

Updated · Sources · How we source care data

Scleroschoenus quadricostatus, commonly known as four-ribbed actinoschoenus, is a sedge in the sedge family, Cyperaceae, that is native to Western Australia. It is found in a small area in the Kimberley region.

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Water

Every 3–5 days

Light

Partial to full sun

Temp

50–80°F

Humidity

40–70%

At a glance

How do you care for Actinoschoenus quadricostatus?

Water Actinoschoenus quadricostatus every 3–5 days, letting the top layer of soil dry out between waterings, and give it partial to full sun. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.

Where Is the Actinoschoenus quadricostatus Native To?

Native range1 country

What Is the Actinoschoenus quadricostatus?

Actinoschoenus quadricostatus (Actinoschoenus quadricostatus) belongs to the Cyperaceae family within the Actinoschoenus genus. Actinoschoenus quadricostatus is native to Western Australia.

Actinoschoenus quadricostatus displays a clumping perennial growth habit, reaching up to 2 ft tall with a spread of approximately 1.5 ft. Actinoschoenus quadricostatus produces small inconspicuous flowers in clusters.

Leaf size: approximately 12 inches.

How Often Should You Water a Actinoschoenus quadricostatus?

Actinoschoenus quadricostatus requires watering every 3–5 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 3–5 days

Let soil partially dry between waterings

What Light Does the Actinoschoenus quadricostatus Need?

Actinoschoenus quadricostatus thrives in partial to full sun.

Light Requirement

Partial to full sun

What Temperature and Humidity Does the Actinoschoenus quadricostatus Prefer?

Actinoschoenus quadricostatus grows best at temperatures of 50–80°F. Actinoschoenus quadricostatus prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a Actinoschoenus quadricostatus?

Rich, moist soil with good drainage. Good drainage is essential for Actinoschoenus quadricostatus to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Actinoschoenus quadricostatus?

Feed Actinoschoenus quadricostatus every 6 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 6 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 Actinoschoenus quadricostatus?

Repot every 1-2 years in 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 Actinoschoenus quadricostatus?

Actinoschoenus quadricostatus can be propagated through division, seeds. Similar propagation techniques also apply to actinoschoenus arthrostyloides plant care, which shares the same genus.

Is the Actinoschoenus quadricostatus Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Actinoschoenus quadricostatus, 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 Actinoschoenus quadricostatus?

Actinoschoenus quadricostatus is susceptible to sedges, 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 Actinoschoenus quadricostatus Need?

Actinoschoenus quadricostatus grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Actinoschoenus quadricostatus is native to Western Australia. In cooler regions, grow Actinoschoenus quadricostatus as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Actinoschoenus quadricostatus 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 Actinoschoenus genus — compare its care with other Actinoschoenus species on PlantoScan.

Actinoschoenus is part of the Cyperaceae plant family — browse all Cyperaceae genera and species.

Actinoschoenus quadricostatus 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: Actinoschoenus quadricostatus Rye, R.L.Barrett & M.D.Barrett, family Cyperaceae (first published in Nuytsia 26: 177 (2015)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Actinoschoenus quadricostatus, 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 12a, 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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