Dunlap Royal Palm Plant Care
Roystonea dunlapiana P.H.Allen
Updated · Sources · How we source care data
Roystonea dunlapiana, commonly known as yagua or cabiche, is a species of palm which is native to Mexico, Nicaragua and Honduras. It is the only species in the genus Roystonea which is absent from the insular Caribbean.
Every 7–14 days
Full sun
65–85°F
50–70%
At a glance
How do you care for Dunlap Royal Palm?
Water Dunlap Royal Palm every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 65–85°F (18–29°C) and 50–70% humidity. Fertilize it every 8 months during the growing season.
What Is the Dunlap Royal Palm?
Dunlap Royal Palm (Roystonea dunlapiana) belongs to the Arecaceae family within the Roystonea genus. Dunlap Royal Palm is native to Mexico, Nicaragua and Honduras.
Dunlap Royal Palm displays a tall, single-trunk palm growth habit, reaching up to 50 ft tall with a spread of approximately 25 ft. Dunlap Royal Palm produces creamy white flowers in large clusters.
Leaf size: approximately 36 inches.
How Often Should You Water a Dunlap Royal Palm?
Roystonea dunlapiana 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 Dunlap Royal Palm Need?
Dunlap Royal Palm thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Dunlap Royal Palm Prefer?
Roystonea dunlapiana grows best at temperatures of 65–85°F. Dunlap Royal Palm 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 Dunlap Royal Palm?
Well-draining sandy loam with added organic matter. Good drainage is essential for Dunlap Royal Palm to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Dunlap Royal Palm?
Feed Dunlap Royal Palm every 8 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 8 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 Dunlap Royal Palm?
Repot every 2-3 years. 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 Dunlap Royal Palm?
Dunlap Royal Palm can be propagated through seeds. Similar propagation techniques also apply to cuban royal palm plant care, which shares the same genus.
Is the Dunlap Royal Palm Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Dunlap Royal Palm, 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 Dunlap Royal Palm?
Dunlap Royal Palm is susceptible to spider mites, palm aphids. 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 Dunlap Royal Palm Need?
Dunlap Royal Palm grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Dunlap Royal Palm is native to Mexico, Nicaragua and Honduras. In cooler regions, grow Dunlap Royal Palm as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Dunlap Royal Palm 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 Roystonea genus — compare its care with other Roystonea species on PlantoScan.
Roystonea is part of the Arecaceae plant family — browse all Arecaceae genera and species.
Dunlap Royal Palm thrives in bright light and direct sun — see other bright-light plants.
More Roystonea Species
Other Roystonea species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Roystonea dunlapiana P.H.Allen, family Arecaceae (first published in Ceiba 3: 15 (1952)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Dunlap Royal Palm, 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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