Photo: Eric KnightCC BY 4.0via iNaturalistresized / cropped
Wax Begonia Plant Care
Begonia obliqua L.
Updated · Sources · How we source care data
Begonia obliqua is the type species of the genus Begonia and the species to which Plumier first gave the name Begonia. It is native to Martinique, Dominica, and Guadeloupe.
Every 7–10 days
Bright indirect light, avoid direct sun to prevent leaf scorch
60–75°F
50–80%
At a glance
How do you care for Wax Begonia?
Water Wax Begonia every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light, avoid direct sun to prevent leaf scorch. It prefers temperatures of 60–75°F (16–24°C) and 50–80% humidity. Fertilize it every 4 months during the growing season. The ASPCA lists it as toxic to cats and dogs, so keep it out of reach of pets.
Where Is the Wax Begonia Native To?
What Is the Wax Begonia?
Wax Begonia (Begonia obliqua) belongs to the Begoniaceae family within the Begonia genus. Wax Begonia is native to Martinique, Dominica, and Guadeloupe. Wax Begonia is also known as Oblique Begonia.
Wax Begonia displays a varies by species, can be upright or trailing growth habit, reaching up to 1.5 ft tall with a spread of approximately 1.5 ft. Wax Begonia produces showy, colorful flowers in various shapes and sizes.
Leaf size: approximately 6 inches.
How Often Should You Water a Wax Begonia?
Begonia obliqua 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 Wax Begonia Need?
Wax Begonia thrives in bright indirect light, avoid direct sun to prevent leaf scorch. Avoid placing Wax Begonia in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light, avoid direct sun to prevent leaf scorch
What Temperature and Humidity Does the Wax Begonia Prefer?
Begonia obliqua grows best at temperatures of 60–75°F. Wax Begonia prefers humidity levels of 50–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–75°F
Humidity
50–80%
What Soil Mix Works Best for a Wax Begonia?
Well-draining, humus-rich soil with added perlite for extra drainage. Good drainage is essential for Wax Begonia to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Wax Begonia?
Feed Wax Begonia every 4 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 4 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 Wax Begonia?
Repot annually in spring to refresh soil and provide space for growth. 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 Wax Begonia?
Wax Begonia can be propagated through leaf cuttings, stem cuttings, division. Similar propagation techniques also apply to angel wing begonia plant care, which shares the same genus.
Is the Wax Begonia Toxic to Pets and Children?
Toxic to cats and dogs
Source: ASPCA Animal Poison Control Center plant list, which covers Begonia species (which includes Wax Begonia). View the ASPCA entry
Mildly toxic to humans and pets if ingested
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 Wax Begonia?
Wax Begonia is susceptible to spider mites, mealybugs, 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 Wax Begonia Need?
Wax Begonia grows outdoors in USDA Zone 12b – 13b. It survives winters down to planting zone 12b. Wax Begonia is native to Martinique, Dominica, and Guadeloupe. In cooler regions, grow Wax Begonia as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12b – 13b
Keep exploring plants
Wax 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 Begonia genus — compare its care with other Begonia species on PlantoScan.
Begonia is part of the Begoniaceae plant family — browse all Begoniaceae genera and species.
Wax Begonia thrives in bright light and direct sun — see other bright-light plants.
More Begonia Species
Other Begonia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Begonia obliqua L., family Begoniaceae (first published in Sp. Pl. : 1056 (1753)) — World Flora Online record, IPNI name record, Wikidata.
- Pet toxicity: The ASPCA lists Begonia species (which includes Wax Begonia) as toxic to cats and dogs. Source: ASPCA Toxic and Non-Toxic Plant List.
- Photo: Eric Knight, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 12b – 13b, 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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