Blooming Time for Gardenias
My gardenia bush has lots of buds but they haven't started blooming yet. Will they still bloom?
Certified GKH Gardening Expert
Give it some bone meal. That will add phosphorus. Gardenias that have too little phosphorus will look lush but will lack flowers. This article will give some other tips: https://www.gardeningknowhow.com/ornamental/flowers/gardenia/gardenia-care-to-get-a-gardenia-bush-to-bloom.htm