Gardenia Plants
Q.

gardenia sick

Zone new jersey | xchen added on April 21, 2012 | Answered

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?

A.
A.Answers to this queston: Add Answer
Heather
Certified GKH Gardening Expert
Answered on April 23, 2012

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

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