Q.we planted hibiscus, now the leaves are turning yellow
The leaves are turning yellow and looks like it’s starting to drop.

Certified GKH Gardening Expert
This article will help you: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/answers-to-what-causes-hibiscus-leaves-turning-yellow.htm
If you recently planted the hibiscus, it could also be suffering from transplant shock. If this is the case, the following article will help: https://www.gardeningknowhow.com/plant-problems/environmental/learn-how-to-avoid-and-repair-transplant-shock-in-plants.htm