Kousa dogwood tree

Question

Had mine for several years now but it never blooms.

Answer 1

There can be several reasons for lack of flowering.
A Kousa Dogwood does not bloom until it is 3 to 5 years old.

If the tree has never bloomed I would review the planting information in the links below.

https://www.gardeningknowhow.com/ornamental/trees/dogwood/growing-kousa-dogwood-trees.htm
https://www.gardeningknowhow.com/ornamental/trees/dogwood/dogwood-tree-not-flowering.htm