
Photo: Jiro IguchiCC BY 4.0via iNaturalistresized / cropped
Rumph's Fishtail Palm Plant Care
Caryota rumphiana Mart.
Updated · Sources · How we source care data
This tropical palm species is recognized by its large, elegant, glossy green leaves that cascade gracefully from its trunk. Originating from Southeast Asia, Caryota rumphiana's unique appearance makes it a prized addition for plant collectors looking to create a lush, exotic ambiance in their indoor or outdoor spaces.
Every 7–14 days
Bright indirect to partial shade
65–85°F
50–70%
At a glance
How do you care for Rumph's Fishtail Palm?
Water Rumph's Fishtail Palm every 7–14 days, letting the top layer of soil dry out between waterings, and give it bright indirect to partial shade. It prefers temperatures of 65–85°F (18–29°C) and 50–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Rumph's Fishtail Palm Native To?
What Is the Rumph's Fishtail Palm?
Rumph's Fishtail Palm (Caryota rumphiana) belongs to the Arecaceae family within the Caryota genus. Rumph's Fishtail Palm is native to Philippines, Sulawesi, Maluku, New Guinea, Solomon Islands, Bismarck Archipelago. Rumph's Fishtail Palm is also known as Giant Fishtail Palm.
Rumph's Fishtail Palm displays a tall, single-trunk palm growth habit, reaching up to 20 ft tall with a spread of approximately 10 ft. Rumph's Fishtail Palm produces creamy inflorescence with small flowers.
Leaf size: approximately 36 inches.
How Often Should You Water a Rumph's Fishtail Palm?
Caryota rumphiana 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 Rumph's Fishtail Palm Need?
Rumph's Fishtail Palm thrives in bright indirect to partial shade. Avoid placing Rumph's Fishtail Palm in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect to partial shade
What Temperature and Humidity Does the Rumph's Fishtail Palm Prefer?
Caryota rumphiana grows best at temperatures of 65–85°F. Rumph's Fishtail 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 Rumph's Fishtail Palm?
Well-draining, fertile soil with added organic matter like compost or peat moss. Good drainage is essential for Rumph's Fishtail Palm to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Rumph's Fishtail Palm?
Feed Rumph's Fishtail Palm 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 Rumph's Fishtail Palm?
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 Rumph's Fishtail Palm?
Rumph's Fishtail Palm can be propagated through seeds, division of offsets. Similar propagation techniques also apply to clustered fishtail palm plant care, which shares the same genus.
Is the Rumph's Fishtail Palm Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Rumph's Fishtail 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 Rumph's Fishtail Palm?
Rumph's Fishtail Palm 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 Rumph's Fishtail Palm Need?
Rumph's Fishtail Palm grows outdoors in USDA Zone 10b – 11b. It survives winters down to planting zone 10b. Rumph's Fishtail Palm is native to Philippines, Sulawesi, Maluku, New Guinea, Solomon Islands, Bismarck Archipelago. In cooler regions, grow Rumph's Fishtail Palm as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10b – 11b
Keep exploring plants
Rumph's Fishtail 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 Caryota genus — compare its care with other Caryota species on PlantoScan.
Caryota is part of the Arecaceae plant family — browse all Arecaceae genera and species.
Rumph's Fishtail Palm 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: Caryota rumphiana Mart., family Arecaceae (first published in Hist. Nat. Palm. 3: 195 (1838)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Rumph's Fishtail 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.
- Photo: Jiro Iguchi, CC BY 4.0, iNaturalist — original.
- 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.
