| Common Name | Madagascar Periwinkle |
| Family | Apocynaceae |
| Genus | Catharanthus |
| Species | Roseus |
| Origin | Madagascar |
| Blooming | Continuous flowering from spring to frost in warm climates; dies back in cold winters. |
| Leaf Color | Dark green, glossy |
| Sunlight | Half-shade / Sun |
| Category | Outdoor plants |
| Pet Friendly | No |
Well-drained, fertile loam or sandy soil; slightly acidic to neutral pH.
Moderate watering; allow topsoil to dry between waterings. Drought tolerant once established.
Full sun preferred for maximum blooms; tolerates partial shade in very hot climates.
Balanced liquid fertilizer monthly during growing season; reduce in winter dormancy.
Deadhead spent flowers regularly to encourage continuous blooming and bushier growth.
These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.
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