The Q&A Archives: Bougainvillea won't bloom

Question: I have a Bougainvillea and for the past two years it has not bloomed. Has good growth and beautiful leaves, but no flowers. Help!!

Answer: In the tropics bougainvilleas bloom almost continuously. There the day and night cycles are more even. Here in Al our long summer days seem to discourage them from forming the blooms we so want to see. Their bloom cycle lasts a little over a month. After this the blooms or bracts fall off and the plant cycles through a period of a 6-8 weeks during which it grows leaves and shoots but not blooms. Then it will often enter another bloom period. Bougainvilleas bloom best when they are not in so vigorous of a growing condition. Potbound container plants and in ground plants living in marginally poor conditions seem to be among the best blooming specimens. If your plants are really vigorous cut back on fertilizer and water enough to keep them going but not luxuriously growing. They may then settle down and start blooming for you. Hope so!

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