Maintaining Mussaenda plants is relatively straightforward. Here are some general care guidelines:

1. Watering: Mussaenda plants prefer consistently moist but not waterlogged soil. Water them regularly, especially during hot and dry periods, but ensure that the soil has good drainage to prevent root rot.
2. Light: These plants thrive in partial shade to full sun. Provide them with bright, indirect light for optimal growth and flowering. In very hot climates, they may benefit from some protection from intense afternoon sun.
3. Fertilization: Feed Mussaenda plants with a balanced, slow-release fertilizer during the growing season (spring to fall) to promote healthy growth and blooming. Follow the instructions on the fertilizer package for application rates.
4. Pruning: Prune Mussaenda plants after flowering to remove any dead or damaged branches and to maintain a compact shape. You can also prune them to encourage bushier growth.
5. Pest and Disease Control: Keep an eye out for common pests such as aphids, mealybugs, and scale insects. Treat any infestations promptly with insecticidal soap or horticultural oil. Ensure good air circulation around the plant to prevent fungal diseases.
6. Mulching: Apply a layer of organic mulch, such as shredded bark or compost, around the base of Mussaenda plants to conserve moisture, suppress weeds, and improve soil health.
7. Winter Care: In cooler climates, protect Mussaenda plants from frost by bringing them indoors or providing frost protection such as covering them with a blanket or frost cloth.

By following these maintenance tips, you can keep your Mussaenda plants healthy and thriving, ensuring a beautiful display of colorful bracts in your garden.