Orthacanthus pedunculatus Plant Care

Orthacanthus pedunculatus (Pilg.) P.M.Peterson & Romasch.

Updated · Sources · How we source care data

Orthacanthus pedunculatus is a species of grass native to Botswana and Namibia in southern Africa. It is the sole species in genus Orthacanthus.

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Water

Every 3–5 days

Light

Full sun to partial shade

Temp

65–85°F

Humidity

40–70%

At a glance

How do you care for Orthacanthus pedunculatus?

Water Orthacanthus pedunculatus every 3–5 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 6 months during the growing season.

Where Is the Orthacanthus pedunculatus Native To?

Native range10 countries

What Is the Orthacanthus pedunculatus?

Orthacanthus pedunculatus (Orthacanthus pedunculatus) belongs to the Poaceae family within the Orthacanthus genus. Orthacanthus pedunculatus is native to Botswana and Namibia in southern Africa.

Orthacanthus pedunculatus displays a tall, spreading grass growth habit, reaching up to 6 ft tall with a spread of approximately 3 ft. Orthacanthus pedunculatus produces small inconspicuous flowers in spikelets.

Leaf size: approximately 12 inches.

How Often Should You Water a Orthacanthus pedunculatus?

Orthacanthus pedunculatus 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 Orthacanthus pedunculatus Need?

Orthacanthus pedunculatus thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Orthacanthus pedunculatus Prefer?

Orthacanthus pedunculatus grows best at temperatures of 65–85°F. Orthacanthus pedunculatus prefers humidity levels of 40–70%.

Temperature

65–85°F

Humidity

40–70%

What Soil Mix Works Best for a Orthacanthus pedunculatus?

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

How Often Should You Fertilize a Orthacanthus pedunculatus?

Feed Orthacanthus pedunculatus 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 Orthacanthus pedunculatus?

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 Orthacanthus pedunculatus?

Orthacanthus pedunculatus can be propagated through division, seeds.

Is the Orthacanthus pedunculatus Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Orthacanthus pedunculatus, 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 Orthacanthus pedunculatus?

Orthacanthus pedunculatus is susceptible to grasshoppers, aphids, 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 Orthacanthus pedunculatus Need?

Orthacanthus pedunculatus grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Orthacanthus pedunculatus is native to Botswana and Namibia in southern Africa. In cooler regions, grow Orthacanthus pedunculatus as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

Orthacanthus pedunculatus 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 Orthacanthus genus — compare its care with other Orthacanthus species on PlantoScan.

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

Orthacanthus pedunculatus 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: Orthacanthus pedunculatus (Pilg.) P.M.Peterson & Romasch., family Poaceae (first published in Taxon 65: 1277 (2016)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Orthacanthus pedunculatus, 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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