I over wintered my potted Hibiscus indoors. I lost some leaves but it stayed healthy. I moved it back to the sunny location it loved last year, and it has produced the most beautiful thick leaves. However, not one bud has appeared. Why do I have no flowers?
Hibiscus Not Flowering
Certified GKH Gardening Expert
It sounds like it may either have too much nitrogen or too little phosphorous. Both result in lush leaves but few or no flowers. Add a phosphorous rich fertilizer to correct this.
This article has some other possibilities: