I have two hibiscus plants in pots. They were very healthy until a few days ago. Many of their leaves turned yellow all at once and one of the plants has dropped almost all its leaves overnight. What is wrong?
Certified GKH Gardening Expert
This is a common issue with hibiscus plants. The following article should be of some help to you: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/answers-to-what-causes-hibiscus-leaves-turning-yellow.htm