Hibiscus not flowering?

Question

My hibiscus hasn’t flowered at all this year. I let it winter in my garage last year, then brought it back outside in the spring. It had grown to a height of over 7 feet, but no blooms!

Answer 1

You may need to add some phosphorous to your plant's soil
Here's an article with tips on how to fertilize your hibiscus:
https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/hibiscus-fertilizing.htm