What causes small holes (1cm) on camellia leaves?

Question

The camellia is growing in a pot.

Answer 1

You may have a weevil or beetle munching on your camellia plant. You may want to apply neem oil or speak with your local garden nursery about insecticides. Here's an article that will help:

https://www.gardeningknowhow.com/ornamental/flowers/camellia/identifying-and-fixing-problems-with-camellias.htm