Star Begonia Plant Care
Mangenotiella stellata M.Schmid
Updated · Sources · How we source care data
This plant's unique feature is its star-shaped leaves, which originate from the tropical rainforests of Madagascar. Plant collectors are drawn to Mangenotiella stellata for its striking foliage that adds a touch of exotic elegance to any indoor space.
Every 7–10 days
Bright indirect light
65–75°F
60–80%
At a glance
How do you care for Star Begonia?
Water Star Begonia every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 65–75°F (18–24°C) and 60–80% humidity. Fertilize it every 2 months during the growing season.
Where Is the Star Begonia Native To?
What Is the Star Begonia?
Star Begonia (Mangenotiella stellata) belongs to the Primulaceae family within the Mangenotiella genus. Star Begonia is native to New Caledonia. Star Begonia is also known as Mangenotiella stellata.
Star Begonia displays a low rosette, spreading growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Star Begonia produces small, delicate blooms in shades of pink, purple, or white.
Leaf size: approximately 4 inches.
How Often Should You Water a Star Begonia?
Mangenotiella stellata 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 Star Begonia Need?
Star Begonia thrives in bright indirect light. Avoid placing Star Begonia in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Star Begonia Prefer?
Mangenotiella stellata grows best at temperatures of 65–75°F. Star Begonia prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–75°F
Humidity
60–80%
What Soil Mix Works Best for a Star Begonia?
Moist, well-draining soil with high organic content. Good drainage is essential for Star Begonia to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Star Begonia?
Feed Star Begonia every 2 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 2 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 Star Begonia?
Repot every 1-2 years in early 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 Star Begonia?
Star Begonia can be propagated through division, seeds.
Is the Star Begonia Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Star Begonia, 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 Star Begonia?
Star Begonia is susceptible to aphids, spider mites, mealybugs. 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 Star Begonia Need?
Star Begonia grows outdoors in USDA Zone 10b – 11b. It survives winters down to planting zone 10b. Star Begonia is native to New Caledonia. In cooler regions, grow Star Begonia as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10b – 11b
Keep exploring plants
Star Begonia 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 Mangenotiella genus — compare its care with other Mangenotiella species on PlantoScan.
Mangenotiella is part of the Primulaceae plant family — browse all Primulaceae genera and species.
Star Begonia 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: Mangenotiella stellata M.Schmid, family Primulaceae (first published in Adansonia , sér. 3, 34: 340 (2012)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Star Begonia, 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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