Photo: no rights reservedCC0 1.0via iNaturalist
Fragrant Thunbergia Plant Care
Thunbergia fragrans Roxb.
Updated · Sources · How we source care data
This fast-growing vine from tropical Africa is easily recognized by its heart-shaped, glossy green leaves and vibrant yellow flowers with dark purple centers. Plant collectors are drawn to Thunbergia fragrans for its ability to attract butterflies and hummingbirds, adding a touch of exotic beauty to any garden.
Every 7–10 days
Bright indirect light
65–80°F
50–70%
At a glance
How do you care for Fragrant Thunbergia?
Water Fragrant Thunbergia every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 65–80°F (18–27°C) and 50–70% humidity. Fertilize it every 2 months during the growing season.
Where Is the Fragrant Thunbergia Native To?
What Is the Fragrant Thunbergia?
Fragrant Thunbergia (Thunbergia fragrans) belongs to the Acanthaceae family within the Thunbergia genus. Fragrant Thunbergia is native to South and Southeast Asia and China.
Fragrant Thunbergia displays a vining, trailing growth habit, reaching up to 10 ft tall with a spread of approximately 5 ft. Fragrant Thunbergia produces tubular flowers in various colors like yellow, orange, or white.
Leaf size: approximately 3 inches.
How Often Should You Water a Fragrant Thunbergia?
Thunbergia fragrans 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 Fragrant Thunbergia Need?
Fragrant Thunbergia thrives in bright indirect light. Avoid placing Fragrant Thunbergia in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Fragrant Thunbergia Prefer?
Thunbergia fragrans grows best at temperatures of 65–80°F. Fragrant Thunbergia prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–80°F
Humidity
50–70%
What Soil Mix Works Best for a Fragrant Thunbergia?
Well-draining, fertile soil with added compost for nutrients. Good drainage is essential for Fragrant Thunbergia to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Fragrant Thunbergia?
Feed Fragrant Thunbergia 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 Fragrant Thunbergia?
Repot annually 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 Fragrant Thunbergia?
Fragrant Thunbergia can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to black eyed susan vine plant care, which shares the same genus.
Is the Fragrant Thunbergia Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Fragrant Thunbergia, 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 Fragrant Thunbergia?
Fragrant Thunbergia is susceptible to aphids, spider mites, whiteflies. 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 Fragrant Thunbergia Need?
Fragrant Thunbergia grows outdoors in USDA Zone 10a – 11b. It survives winters down to planting zone 10a. Fragrant Thunbergia is native to South and Southeast Asia and China. In cooler regions, grow Fragrant Thunbergia as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10a – 11b
Keep exploring plants
Fragrant Thunbergia 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 Thunbergia genus — compare its care with other Thunbergia species on PlantoScan.
Thunbergia is part of the Acanthaceae plant family — browse all Acanthaceae genera and species.
Fragrant Thunbergia thrives in bright light and direct sun — see other bright-light plants.
More Thunbergia Species
Other Thunbergia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Thunbergia fragrans Roxb., family Acanthaceae (first published in Pl. Coromandel 1: 47 (1796)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Fragrant Thunbergia, 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: Public domain, CC0 1.0, iNaturalist — original.
- Hardiness zone: USDA Zone 10a – 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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