Q.Gardenia in a pot. Has buds but drooping and turning brown.
What shall I do? To much water? I am adding coffee grounds. I read they like acid.
Gardenia are finicky and need even watering, high humidity, bright light and warmer temps.
These links will help you.
https://www.gardeningknowhow.com/ornamental/flowers/gardenia/gardenia-plant.htm
https://www.gardeningknowhow.com/ornamental/flowers/gardenia/fertilizing-gardenias-in-your-garden.htm
https://www.gardeningknowhow.com/ornamental/flowers/gardenia/growing-gardenias-indoors.htm
https://www.gardeningknowhow.com/ornamental/flowers/gardenia/brown-spots-gardenia-buds.htm