I’m not an expert and have very limited experience rooting camellia cuttings, but here are the things I would do.

• I would remove the bottom 5 leaves, keeping only 3 top leaves.
• I would cover the pot (exposing only the bottom drainage holes) in a clear plastic bag to create a mini-greenhouse that traps humidity. Use a rubber band or something to make sure humidity does not escape.
• You don’t want to expose a camellia cutting to any direct sunlight before it has rooted. I would leave it at a bright spot inside the house until spring.

Good luck!

Will do. Let's see what happens. Will update with results later on.

Good news. It survived the winters. Keeping it in dappled shade now.

Very nice. It looks great! Congrats!