gardenia sick

My recently purchased gardenia leaves turn yellow and fall. A layer of fog form on leaves (may be insects so I treated with Elementals insecticidal soap), flower buds still turn brown and dry before blossom opens. What should I do?

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1 Comment To "gardenia sick"

#1 Comment By Heather On 04/22/2012 @ 7:14 pm

It sounds like your gardenias are developing powdery mildew. This article should help:
https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm ^[1]

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