Gardenia Plants

White Residue on Leaves of Gardenia

Anonymous added on October 1, 2011 | Answered

I have two gardenia plants, one is a tree and the other a bush. They both are doing well as far as growing. However, the tree has a white powdery residue on the leaves. Both have multiple buds but they do not bloom. I live in Michigan. The plants were outside during the summer, but they have been brought into the house now because of possible frost. Any help you can give me would be appreciated.

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