Foliage but No Blooms

Question

Our hibiscus has lots of leaves but has not flowered for several years. We are fertilizing it as told. What else should we do?

Answer 1

It sounds like the plant has too much nitrogen. Cut out the nitrogen for awhile and balance it with phosphorus. These articles will also help:
https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/hibiscus-fertilizing.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/phosphorus-plant-growth.htm