Hibiscus rosa sinensis

I have a hibiscus (rosa sinensis) that refuses to flower. . . . not even a bud. I water it and fertilize it faithfully but it is becoming an exercise in futility. There is no evidence of insect infestation whatsoever. Please help before I discard the plant.

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#1 Comment By Nikki On 07/12/2012 @ 7:58 am

It sounds like the plant has too much nitrogen. Balance it with phosphorus, which helps with blooming. Use a “bloom booster” fertilizer or add some bone meal to the soil to help add some phosphorus.

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