Answer: The tropical hibiscus plants need full sun and rich, evenly moist yet well drained soil to bloom well. They also need temperatures above 55 degrees. If exposed to cooler temperatures it will slow or stop blooming. I suspect your plant needs much more light. Trimming can stimulate growth, but it can delay flowering. Trim it back in the fall when you bring it indoors or in the late winter. Or, selectively trim the longest branches one at a time year round so you never cut the entire plant back at once. Fertilize from spring through fall using a general purpose slow release granular or water soluble such as 10-10-10 plus minors. I hope this helps!
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