Camellias

Question

I have 1 plant that was here when I purchased my home in 2002. It has been fertilized over the years, but the blossoms form then drop off before opening.

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Answer 1

Camellia bud drop can be caused by a few problems, most of them stress related. This article should be able to help you:
https://www.gardeningknowhow.com/ornamental/flowers/camellia/camellia-flowers-not-opening.htm