Q.Mandevilla
Why do the petals on my mandavilla quickly curl after opening ? Very healthy appearance otherwise.
Downtoearthdigs
Answered on June 29, 2017
Try increasing sunlight and make sure you are feeding your plant.
A bloom booster that is high in phosphorous is needed.
https://www.gardeningknowhow.com/ornamental/vines/mandevilla/mandevilla-plant.htm
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