How and do you prune hibiscus? Do they really have to come in the house in the winter months, and what make the leaves turn yellow and fall off?
Certified GKH Gardening Expert
This will help you with the pruning: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/tips-for-pruning-hibiscus-plants-when-to-prune-hibiscus.htm
This will help with the yellow leaves: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/answers-to-what-causes-hibiscus-leaves-turning-yellow.htm
Unless you live in Zone 9 or higher, it does need to come into the house. It cannot tolerate cold.