Xanthosoma Plant Care
Xanthosoma sagittifolium (L.) Schott
Xanthosoma sagittifolium, or tannia, is a tropical flowering plant from the family Araceae. It produces an edible, starchy corm.
Every 7–10 days
Bright indirect to partial shade
65–80°F
60–80%
What Is the Xanthosoma?
Xanthosoma (Xanthosoma sagittifolium) belongs to the Araceae family within the Xanthosoma genus. Xanthosoma is native to tropical America. Xanthosoma is also known as Yautia, Malanga, Otoe.
Xanthosoma displays a large, tropical foliage plant growth habit, reaching up to 5 inches tall with a spread of approximately 3 inches. Xanthosoma produces produces inconspicuous flowers surrounded by a showy, colorful leaf-like structure called a spathe.
Leaf size: approximately 12 inches.
How Often Should You Water a Xanthosoma?
Xanthosoma sagittifolium requires watering every 7–10 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 7–10 days
Let soil partially dry between waterings
What Light Does the Xanthosoma Need?
Xanthosoma thrives in bright indirect to partial shade light conditions. The optimal light range is 250–1000 lux. Avoid placing Xanthosoma in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect to partial shade
250–1000 lux
What Temperature and Humidity Does the Xanthosoma Prefer?
Xanthosoma sagittifolium grows best at temperatures between 65°F and 80°F. Xanthosoma prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–80°F
Humidity
60–80%
What Soil Mix Works Best for a Xanthosoma?
Rich, well-draining soil with added organic matter like compost or peat moss. Good drainage is essential for Xanthosoma to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Xanthosoma?
Repot every 1-2 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 Xanthosoma?
Xanthosoma can be propagated through division of rhizomes, offsets.
Fertilizing
Every 6 months
During the growing season
Is the Xanthosoma Toxic to Pets and Children?
Toxic to Pets & Children
Toxic to humans and pets if ingested
What Pests and Diseases Affect the Xanthosoma?
Xanthosoma is susceptible to spider mites, aphids, mealybugs. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
What USDA Hardiness Zone Does the Xanthosoma Need?
Xanthosoma grows outdoors in USDA Zone 10a – 12b. Native to tropical America, Xanthosoma is adapted to warm climates. In cooler regions, grow Xanthosoma as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10a – 12b
Keep exploring plants
Xanthosoma 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 Xanthosoma genus — compare its care with other Xanthosoma species on PlantoScan.
Xanthosoma thrives in bright light and direct sun — see other bright-light plants.