There are a few reasons your plant may be dying.However, this is also why it is important to look after your chamomile plant properly so that it doesn't die, because if it is neglected and then the plant could dry up and die even faster than normal. Another factor that causes chamomile to die is the humidity that you have around your house. When it becomes too humid, it is more likely to turn brown and start to wilt, which is another reason why your chamomile may have died. If you are constantly using a humidifier then this will cause your chamomile to die quicker. If you want to keep your chamomile alive and well then you need to make sure that you take special care of it. This will help it to cope with any problems that it encounters when it is under stressful circumstances. You should also ensure that you have enough light and adequate water. to make sure that the chamomile plant is able to thrive. You also need to make sure that you fertilize it regularly. Fertilizing your plant is important as it will prevent your plant from becoming stressed. Fertilizing is very important as it will help your plant to grow and make sure that your plant is growing strong and healthy.