This grower is sure of this plant identification.
standard tree 30 years old. i have some others younger and cheaper
Common camellia, Snow camellia
Camellia japonica (Common camellia). Their flowers will come in single or double varieties in a wide range of shades, red, pink, white, striped, etc. They are easy to grow but are slow-growing and will take many years to reach their full height. The foliage is glossy dark or rich green.
They will prefer a moist, rich and acidic soil in the shade or sun. You may prune after flowering to keep an attractive shape.
Ornamental, foliage, hedging, border, container. Spring interest.