Stunted Growth of Hibiscus

Question

I planted two hibiscus 2 years ago. One is quite big, the other about 18 inches high. Both have yellowing leaves. What is the best to put on them? Should I prune them back at all?

Answer 1

These articles may help: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/answers-to-what-causes-hibiscus-leaves-turning-yellow.htm
https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/hibiscus-fertilizing.htm

As for pruning, you may want to wait until spring. Here is more information: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/tips-for-pruning-hibiscus-plants-when-to-prune-hibiscus.htm