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PlantSnap
Plant Care
Dipladenia
(Mandevilla splendens)
Also Known As
Dipladenia, Rock trumpet, Mandevilla
About This Plant
Mandevilla splendens is a flowering perennial vine plant that is native to South America. It is a member of the Apocynaceae family and is known for its beautiful, trumpet-shaped flowers that bloom in shades of pink, red, and white.
Plant Care Instructions
Outdoor Size Range
10-20 feet (3-6 meters)
Light Requirements
Mandevilla splendens prefers full sun to partial shade. It needs at least 6 hours of direct sunlight per day to bloom properly.
Humidity Needs
Mandevilla splendens prefers moderate humidity levels, around 50-60%. You can increase humidity by misting the leaves with water or placing a tray of water near the plant.
Fertilizing Schedule
Feed the plant with a balanced fertilizer every two weeks during the growing season (spring and summer). Reduce fertilization to once a month in the fall and winter.
Pruning Guidelines
Prune the plant in the early spring before new growth appears. Remove any dead or damaged branches and shape the plant as desired. Pinch back the tips of the vines to encourage bushier growth and more flowers.
Common Pests and Diseases
Common pests for Mandevilla splendens include spider mites, whiteflies, and mealybugs. Diseases such as leaf spot and powdery mildew can also occur. Treat pests and diseases with neem oil or insecticidal soap.
Indoor Size Range
6-10 feet (1.8-3 meters)
Watering Schedule
Water the plant deeply once a week, allowing the soil to dry out slightly between waterings. In the winter, reduce watering to once every two weeks.
Temperature Range
Mandevilla splendens prefers warm temperatures between 60-80°F (15-27°C). It can tolerate temperatures down to 40°F (4°C) but will not survive frost.
Growing Season
The growing season for Mandevilla splendens is spring and summer.
Growing Difficulty Level
Mandevilla splendens is moderately difficult to grow. It requires specific growing conditions and regular maintenance to thrive.
USDA Hardiness Zones
Mandevilla splendens is hardy in USDA zones 9-11.
Did You Know?
In its native habitat, Mandevilla splendens is pollinated by hummingbirds.
