Q.my gardenia plant
which has brown patches on many of its leaves….not moldy, no sign of pests…have been misting plant, and watering couple of days as needed….HELP!
Certified GKH Gardening Expert
It sounds like it could be a case of overwatering. This is likely the start of a fungal infection. You can correct this by adding wettable sulfur and a little dolomitic lime to the soil. Can you include a picture? It can help me to see exactly what is going on.
Here is an article for more information on the care of These: https://www.gardeningknowhow.com/ornamental/flowers/gardenia/gardenia-plant.htm