Mandevilla Plant Care
Mandevilla jamesonii Woodson
Updated · Sources · How we source care data
Mandevilla jamesonii is a species of plant in the family Apocynaceae. It is endemic to Ecuador.
Every 7–10 days
Full sun to partial shade
60–80°F
50–70%
At a glance
How do you care for Mandevilla?
Water Mandevilla every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 50–70% humidity. Fertilize it every 4 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.
Where Is the Mandevilla Native To?
What Is the Mandevilla?
Mandevilla (Mandevilla jamesonii) belongs to the Apocynaceae family within the Mandevilla genus. Mandevilla is native to Ecuador.
Mandevilla displays a climbing vine growth habit, reaching up to 10 ft tall with a spread of approximately 3 ft. Mandevilla produces large, showy trumpet-shaped flowers in various colors.
Leaf size: approximately 6 inches.
How Often Should You Water a Mandevilla?
Mandevilla jamesonii 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 Mandevilla Need?
Mandevilla thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Mandevilla Prefer?
Mandevilla jamesonii grows best at temperatures of 60–80°F. Mandevilla prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–80°F
Humidity
50–70%
What Soil Mix Works Best for a Mandevilla?
Well-draining, fertile soil with added perlite for extra drainage. Good drainage is essential for Mandevilla to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Mandevilla?
Feed Mandevilla 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 Mandevilla?
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 Mandevilla?
Mandevilla can be propagated through stem cuttings, layering. Similar propagation techniques also apply to chilean jasmine plant care, which shares the same genus.
Is the Mandevilla Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
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 Mandevilla?
Mandevilla 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 Mandevilla Need?
Mandevilla grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Mandevilla is native to Ecuador. In cooler regions, grow Mandevilla as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Mandevilla 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 Mandevilla genus — compare its care with other Mandevilla species on PlantoScan.
Mandevilla is part of the Apocynaceae plant family — browse all Apocynaceae genera and species.
Mandevilla thrives in bright light and direct sun — see other bright-light plants.
More Mandevilla Species
Other Mandevilla species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Mandevilla jamesonii Woodson, family Apocynaceae (first published in Ann. Missouri Bot. Gard. 19: 58 (1932)) — World Flora Online record, IPNI name record.
- Pet toxicity: Mandevilla is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13a, 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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