Q.My Gardenia Buds Have A Single Black Small Hole In Them, What Is It And If An Insect How To Kill
It gets good afternoon sun, and plenty of water and is about 8 feet tall

Certified GKH Gardening Expert
Unfortunately, your photo did not come through. I will not be able to identify the pest in question. I can point you to a few articles that will help, though.
https://www.gardeningknowhow.com/ornamental/flowers/gardenia/gardenia-plant.htm
https://www.gardeningknowhow.com/ornamental/flowers/gardenia/when-to-prune-a-gardenia.htm
https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm
https://www.gardeningknowhow.com/special/organic/what-are-organic-pesticides.htm