Q.Hi ! I bought my gardenia jasminoiddes This spring It had lots bulbs but not open yet one by one they falling off the plant withou
t even open . I can’t understand what I’m doing wrong it’s moist and nice sunny spot in the house . So basicly bottom of bulb g ets yellow and it’s just dyes , what she’ll I do ,help me as I like it bloom for me . Ps leafes are green and happy but just flo wers won’t open

Gardenia are a very finicky plant.
These links will help you with care.
https://www.gardeningknowhow.com/ornamental/flowers/gardenia/gardenia-plant.htm
https://www.gardeningknowhow.com/ornamental/flowers/gardenia/growing-gardenias-indoors.htm
https://www.gardeningknowhow.com/ornamental/flowers/gardenia/gardenia-care-to-get-a-gardenia-bush-to-bloom.htm
https://www.gardeningknowhow.com/ornamental/flowers/gardenia/fertilizing-gardenias-in-your-garden.htm
https://www.gardeningknowhow.com/ornamental/flowers/gardenia/gardenia-flowers-gardenia-buds-falling-off-plant.htm