Yellow Leaves on Hibiscus Plant

Question

I have a hibiscus tree in a pot outdoors. The leaves are turning yellow. What is the cause? It is in the sun. My other hibiscus trees are in the same environment and are doing fine.

Answer 1

This article will help with that:
https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/answers-to-what-causes-hibiscus-leaves-turning-yellow.htm