Description: Prevent flower browning or wilting by adjusting watering, using fungicides, maintaining stable temperatures, and handling with care. Causes: Plumeria flowers may turn brown or wilt prematurely due to overwatering, fungal infections, extreme temperatures, or physical damage. Solutions: Adjust watering: Ensure the plant is not overwatered and provide proper drainage to prevent root rot. Fungicide treatment: Apply appropriate fungicides as preventive measures to control fungal infections. Maintain stable temperatures: Protect the flowers from extreme temperature changes to avoid wilting. Handle with care: Avoid physical damage and injury to the flowers during handling. Monitor and care: Regularly inspect the flowers for any signs of browning or wilting and adjust care accordingly.