Desire to trim and shape a gardenia bush to become a vertical habit. Need a narrow 3' wide as tall as I can achieve.
Shaping a Gardenia Bush
Certified GKH Gardening Expert
In order to prune without hurting blooming, you should wait until after all the plant's blooms have faded, which should be in the summer. Here is more information: https://www.gardeningknowhow.com/ornamental/flowers/gardenia/when-to-prune-a-gardenia.htm