My hibiscus plants are in outside pots in SC getting plenty of sun and water. I have fed them Miracle Gro but they haven't bloomed in 2 months. Foliage is doing great and looks healthy. What else can I do?
Certified GKH Gardening Expert
A failure to flower is most often caused by too much nitrogen in the soil, too much added nitrogen fertilizer, or too little phosphorus. This article explains nutrient imbalances and other possibilities for why your hibiscus is not flowering: