weak gardenia with brown leaves

Question

My gardenia is dying
I already lost two plants from the four.
The roots, the stems, the leaves are all becoming weak

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Answer 1

Your plants may have root rot. You may be able to save them by replanting in fresh soil and cutting off any mushy material. Reduce the amount of watering in the future. Here is more:

https://www.gardeningknowhow.com/ornamental/flowers/gardenia/common-gardenia-diseases.htm