Q.I Bought A Gardenia A Month Ago. Since I Don’t Have A Good Place Where It Can Receive Sunlight I Have It Under A Light Bulb For P
lant growth. I keep it moist. In the beginning I noticed some leaves turned yellow and brown but lately I noticed that new green l eav es are growing and looking healthy. Which makes me very happy. However, the only bud it had just fell off before blooming. What did I do wrong? What can I do to make for this doesn’t happen again.

Certified GKH Gardening Expert
I see multiple issues, here. I notice symptoms of infection, likely from saturated soil. I see signs of spider mites, as well.
Both issues together will be very difficult to correct, and they often lead to a plant's death, fairly quickly.
The give it the best chance, it will be necessary to treat for spider mites, then infection.
Here are some articles that will help with that:
https://www.gardeningknowhow.com/plant-problems/pests/insects/spider-mite-treatment.htm
https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm
Here is an article that will help you to know what care this picky plant requires:
https://www.gardeningknowhow.com/ornamental/flowers/gardenia/growing-gardenias-indoors.htm