Gardenia Leaves Small Black or Brown Spots

Question

This poor gardenia bush has been having all kinds of problems. Please see picture for latest development. What is it and what can I do about it? Thank you.

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Answer 1

That appears to be a severe bacterial infection. These can be very difficult to treat. You can try a fungicide. This article will help: https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm

This article will explain Bacterial Spot: https://www.gardeningknowhow.com/plant-problems/disease/bacterial-leaf-spot.htm

This article will help you to care for Gardenias: https://www.gardeningknowhow.com/ornamental/flowers/gardenia/gardenia-plant.htm