Q.Why does my bay leaf plant have black and sticky leaves?
It is in a pot on the balconyPort
drtreelove
Answered on October 13, 2018
It is likely a sooty mold growth on the honeydew excretions from an insect pest.
This article explains what is going on. Control the insect pest and you will effectively control the sooty mold.
https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm
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