My hibiscus was doing well and developed a white film over the plant. The leaves are turning yellow and buds are falling off. I also have in a pot. Thanks for any information on what could be the problem.
Certified GKH Gardening Expert
Your hibiscus could be suffering from powdery mildew, caused by a fungus.Neem oil can help with this. Also, there are several reasons for yellowing leaves, stress being one. If your plant has a fungal problem then it would be under some stress. Here is more information: https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm