Why is your hibiscus bush leaves turning brown and the unbloombed flowers dying and falling off the bush?

Brown leaves and dying buds on a hibiscus bush can indicate several issues, primarily stress from environmental factors. Common causes include insufficient water, overwatering, nutrient deficiencies, or exposure to extreme temperatures. Pests or diseases may also be at play, so it's essential to inspect the plant closely. Adjusting care routines, such as proper watering and fertilization, can help revive the plant.