Noteworthy CharacteristicsTypically grown as an annual or houseplant. Native to South Pacific islands.

CareIn the garden, this plant needs fertile, moist but well-drained soil that is rich in humus, and full or partial shade. Indoors, grow in a soilless mix in full or filtered light. Water freely during growth but moderately in winter.

PropagationDivide or root softwood cuttings in spring. Root semi-ripe cuttings in late summer using bottom heat.

ProblemsIndoors, scale insects, spider mites, whiteflies, and mealybugs may be problems. In the garden, downy mildew, powdery mildew, rust leaf spots, and fungal root rots can occur.