What does it mean if my hibiscus leaves are turning yellow? Too much or not enough water?
Certified GKH Gardening Expert
There are several reasons this can happen, normally associated with stress of some kind. This article explains many of them and will help you decide which is likely for your plant: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/answers-to-what-causes-hibiscus-leaves-turning-yellow.htm