Calamus flagellum Plant Care
Calamus flagellum Griff. ex Walp.
Updated · Sources · How we source care data
Calamus flagellum is an Asian species of tropical forest rattan liana in the family Arecaceae, with a native range from Assam to southern China and Indo-China. Its name in Vietnamese is mây song, while the Lepcha of Sikkim call it rim.
Every 7–14 days
Bright indirect light
65–85°F
50–70%
At a glance
How do you care for Calamus flagellum?
Water Calamus flagellum every 7–14 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. 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 Calamus flagellum?
Calamus flagellum (Calamus flagellum) belongs to the Arecaceae family within the Calamus genus.
Calamus flagellum displays a tall climbing vine growth habit, reaching up to 10 ft tall with a spread of approximately 3 ft. Calamus flagellum produces small inconspicuous flowers on a large inflorescence.
Leaf size: approximately 18 inches.
How Often Should You Water a Calamus flagellum?
Calamus flagellum 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 Calamus flagellum Need?
Calamus flagellum thrives in bright indirect light. Avoid placing Calamus flagellum in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Calamus flagellum Prefer?
Calamus flagellum grows best at temperatures of 65–85°F. Calamus flagellum 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 Calamus flagellum?
Rich, well-draining soil with added organic matter like compost or peat moss. Good drainage is essential for Calamus flagellum to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Calamus flagellum?
Feed Calamus flagellum 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 Calamus flagellum?
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 Calamus flagellum?
Calamus flagellum can be propagated through seeds, division of offsets. Similar propagation techniques also apply to rattan plant care, which shares the same genus.
Is the Calamus flagellum Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Calamus flagellum, 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 Calamus flagellum?
Calamus flagellum 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 Calamus flagellum Need?
Calamus flagellum grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. In cooler regions, grow Calamus flagellum as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Calamus flagellum 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 Calamus genus — compare its care with other Calamus species on PlantoScan.
Calamus is part of the Arecaceae plant family — browse all Arecaceae genera and species.
Calamus flagellum thrives in bright light and direct sun — see other bright-light plants.
More Calamus Species
Other Calamus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Calamus flagellum Griff. ex Walp., family Arecaceae (first published in Ann. Bot. Syst. (Walpers) 3: 484. 1852 [24-25 Aug 1852]) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Calamus flagellum, 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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