Q.Gardenia flowers won’t open, turning brown
I have a gardenia tree. The flowers won’t open and are turning brown.

theficuswrangler
Answered on July 22, 2014
You don't say if your tree is in the ground or in a pot. Generally if you're having trouble with flowering, you want to increase light, humidity, or adjust minerals - acidic fertilizer, or more phosphorous. Here are a couple of articles: https://www.gardeningknowhow.com/ornamental/flowers/gardenia/gardenia-plant.htm
https://www.gardeningknowhow.com/ornamental/flowers/gardenia/gardenia-flowers-gardenia-buds-falling-off-plant.htm
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