Q.Potted orange trees
How to get a potted orange tree to bloom.
The plant is indoors in the winter and outdoors in the spring/summer. I'm not concerned about pollination at this point. I'm wondering why it won't bloom at all. The tree is now five years old.
Is your plant indoors or outdoors?
Your tree may not be getting pollinated.
Here is some articles that will help you care for and pinpoint the issue.