I have a new gardenia plant. It came with green and shiny leaves, and now they are beginning to turn yellow and drop! Not sure what I am doing (or not doing) wrong!
Certified GKH Gardening Expert
Here is an article that you may find helpful: https://www.gardeningknowhow.com/ornamental/flowers/gardenia/helping-a-gardenia-bush-with-yellow-leaves.htm