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PlantSnap
Plant Care
Madagascar periwinkle
(Catharanthus roseus)
Also Known As
Madagascar periwinkle, Rose periwinkle, Vinca rosea, Cape periwinkle
About This Plant
Catharanthus roseus is a species of flowering plant in the family Apocynaceae. It is native to Madagascar but has been widely cultivated as an ornamental plant and medicinal plant.
Plant Care Instructions
Outdoor Size Range
12-36 inches (30-90 cm)
Light Requirements
Catharanthus roseus prefers full sun but can tolerate partial shade.
Humidity Needs
Catharanthus roseus thrives in moderate to high humidity levels. Mist the plant regularly to increase humidity.
Fertilizing Schedule
Fertilize the plant once a month during the growing season with a balanced fertilizer. Avoid fertilizing during the winter months.
Pruning Guidelines
Prune the plant regularly to encourage bushier growth and remove any dead or diseased foliage. Pinch off the tips of the stems to encourage branching.
Common Pests and Diseases
Common pests for Catharanthus roseus include spider mites, mealybugs, and aphids. Diseases such as leaf spot and root rot can also affect the plant.
Indoor Size Range
12-24 inches (30-60 cm)
Watering Schedule
Water the plant deeply once a week, allowing the soil to dry out slightly between waterings. Avoid overwatering as it can lead to root rot.
Temperature Range
Catharanthus roseus prefers warm temperatures between 60-80°F (15-27°C). It is not frost-tolerant and should be protected from cold temperatures.
Growing Season
Catharanthus roseus can be grown year-round in tropical climates. In temperate climates, it is best grown as an annual during the summer months.
Growing Difficulty Level
Catharanthus roseus is relatively easy to grow and care for.
USDA Hardiness Zones
Catharanthus roseus is hardy in USDA zones 9-11.
Did You Know?
Catharanthus roseus has been used in traditional medicine to treat a variety of ailments including diabetes, high blood pressure, and cancer. It contains alkaloids that have been shown to have anti-cancer properties.
