Why are my hibiscus leaves turning yellow and buds falling off?

Yellowing leaves and falling buds on hibiscus plants can be caused by various factors such as overwatering, nutrient deficiencies, pests, or diseases. It is important to check the plant's watering schedule, ensure it is receiving adequate sunlight, and inspect for any signs of pests or diseases. Adjusting care practices accordingly can help address the issue and promote healthier growth.