Q.My gardenia bushes’ leaves turn black
My gardenias grow and are covered with blooms, but more than half the leaves stay black and dull all the time. What can I do?

Heather
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on May 8, 2011
This is sooty mold and is a byproduct of a pest infestation (aphids, scale, whitefly, etc.) This article will help you:
https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm
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