Q.hibiscus
My hibiscus has no flowers and lots of yellow leaves falling. Help!
Hibiscus are more likely to bloom when they get the right amount of sun, obtain enough water, and receive enough of the right kind of fertilizer. Insects known as thrips have also been known to prevent hibiscus from blooming. The articles below will help you optimize the care of your plant:
https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/how-to-care-for-hibiscus-plants.htm
https://www.gardeningknowhow.com/plant-problems/pests/insects/controlling-thrips.htm
Yellow hibiscus leaves:
https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/answers-to-what-causes-hibiscus-leaves-turning-yellow.htm
Happy gardening!