
Photo: Kym NicolsonCC BY 4.0via iNaturalistresized / cropped
Desert Horse Purslane Plant Care
Trianthema triquetra Willd.
Updated · Sources · How we source care data
This plant is easily recognizable by its small, fleshy green leaves arranged in clusters of three. Originating from Africa, Trianthema triquetra is sought after by plant collectors for its unique geometric leaf pattern and its ability to thrive in hot, arid conditions.
Every 14–21 days
Full sun to partial shade
50–85°F
30–60%
At a glance
How do you care for Desert Horse Purslane?
Water Desert Horse Purslane every 14–21 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–85°F (10–29°C) and 30–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Desert Horse Purslane Native To?
What Is the Desert Horse Purslane?
Desert Horse Purslane (Trianthema triquetra) belongs to the Aizoaceae family within the Trianthema genus. Desert Horse Purslane is native to the Sahara, the Sahel, South Africa, the Indian subcontinent, Thailand, Indonesia and all the mainland states and territories of Australia, except Victoria.
Desert Horse Purslane displays a low-growing, spreading succulent growth habit, reaching up to 0.5 ft tall with a spread of approximately 1.5 ft. Desert Horse Purslane produces small, colorful, daisy-like flowers in shades of pink, white, or yellow.
Leaf size: approximately 1 inches.
How Often Should You Water a Desert Horse Purslane?
Trianthema triquetra 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 Desert Horse Purslane Need?
Desert Horse Purslane thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Desert Horse Purslane Prefer?
Trianthema triquetra grows best at temperatures of 50–85°F. Desert Horse Purslane prefers humidity levels of 30–60%.
Temperature
50–85°F
Humidity
30–60%
What Soil Mix Works Best for a Desert Horse Purslane?
Sandy, well-draining soil mix with added perlite and gravel for good drainage. Good drainage is essential for Desert Horse Purslane to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Desert Horse Purslane?
Feed Desert Horse Purslane 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 Desert Horse Purslane?
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 Desert Horse Purslane?
Desert Horse Purslane can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to species plantarum plant care, which shares the same genus.
Is the Desert Horse Purslane Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Desert Horse Purslane, 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 Desert Horse Purslane?
Desert Horse Purslane is susceptible to mealybugs, aphids, spider mites. 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 Desert Horse Purslane Need?
Desert Horse Purslane grows outdoors in USDA Zone 10a – 12b. It survives winters down to planting zone 10a. Desert Horse Purslane is native to the Sahara, the Sahel, South Africa, the Indian subcontinent, Thailand, Indonesia and all the mainland states and territories of Australia, except Victoria. In cooler regions, grow Desert Horse Purslane as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10a – 12b
Keep exploring plants
Desert Horse Purslane 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 Trianthema genus — compare its care with other Trianthema species on PlantoScan.
Trianthema is part of the Aizoaceae plant family — browse all Aizoaceae genera and species.
Desert Horse Purslane 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: Trianthema triquetra Willd., family Aizoaceae (first published in in Neue Schriften Ges. Naturf. Freunde Berlin 4: 181. 1803.) — World Flora Online record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Desert Horse Purslane, 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.
- Photo: Kym Nicolson, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 10a – 12b, 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.
