My Camellia did not flower last year. There are no buds on it this year what could be the problem.
Certified GKH Gardening Expert
It is likely that the soil is lacking in phosphorus and potassium. I would fertilize once per year with an all-purpose to ensure that they have enough nutrients to bloom properly. This article will help: https://www.gardeningknowhow.com/ornamental/flowers/camellia/caring-for-camellias.htm