Acanthophoenix rubra Plant Care
Acanthophoenix rubra H.Wendl.
Updated · Sources · How we source care data
Acanthophoenix rubra, the barbel palm, is a critically endangered palm endemic to Mauritius, Rodrigues, and Réunion that is prized for its edible palm hearts.
Every 7–14 days
Bright indirect to full sun
65–85°F
50–70%
At a glance
How do you care for Acanthophoenix rubra?
Water Acanthophoenix rubra every 7–14 days, letting the top layer of soil dry out between waterings, and give it bright indirect to full sun. It prefers temperatures of 65–85°F (18–29°C) and 50–70% humidity. Fertilize it every 6 months during the growing season.
What Is the Acanthophoenix rubra?
Acanthophoenix rubra (Acanthophoenix rubra) belongs to the Arecaceae family within the Acanthophoenix genus. Acanthophoenix rubra is native to Mauritius, Rodrigues, and Réunion that is prized for its edible palm hearts.
Acanthophoenix rubra displays a tall, elegant palm tree growth habit, reaching up to 30 ft tall with a spread of approximately 10 ft. Acanthophoenix rubra produces produces small, inconspicuous flowers.
Leaf size: approximately 36 inches.
How Often Should You Water a Acanthophoenix rubra?
Acanthophoenix rubra 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 Acanthophoenix rubra Need?
Acanthophoenix rubra thrives in bright indirect to full sun. Avoid placing Acanthophoenix rubra in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect to full sun
What Temperature and Humidity Does the Acanthophoenix rubra Prefer?
Acanthophoenix rubra grows best at temperatures of 65–85°F. Acanthophoenix rubra prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–85°F
Humidity
50–70%
What Soil Mix Works Best for a Acanthophoenix rubra?
Well-draining, rich soil with added organic matter like compost or peat moss. Good drainage is essential for Acanthophoenix rubra to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Acanthophoenix rubra?
Feed Acanthophoenix rubra 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 Acanthophoenix rubra?
Repot every 2-3 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 Acanthophoenix rubra?
Acanthophoenix rubra can be propagated through seeds, division of offsets. Similar propagation techniques also apply to mascarena crinita plant care, which shares the same genus.
Is the Acanthophoenix rubra Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Acanthophoenix rubra, 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 Acanthophoenix rubra?
Acanthophoenix rubra is susceptible to spider mites, mealybugs, scale insects. 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 Acanthophoenix rubra Need?
Acanthophoenix rubra grows outdoors in USDA Zone 10b – 11b. It survives winters down to planting zone 10b. Acanthophoenix rubra is native to Mauritius, Rodrigues, and Réunion that is prized for its edible palm hearts. In cooler regions, grow Acanthophoenix rubra as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10b – 11b
Keep exploring plants
Acanthophoenix rubra 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 Acanthophoenix genus — compare its care with other Acanthophoenix species on PlantoScan.
Acanthophoenix is part of the Arecaceae plant family — browse all Arecaceae genera and species.
Acanthophoenix rubra 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: Acanthophoenix rubra H.Wendl., family Arecaceae (first published in Fl. Serres Jard. Paris 2(6): 181 (1866)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Acanthophoenix rubra, 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 10b – 11b, 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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