As stylists, we get asked this question on a regular basis. Like most questions about your hair, it depends. Everyone’s hair is different.
Some may need a trim more often to maintain a style, but others who want their hair to grow may not want a trim as often. If you wear a curly hair, you may not need a trim as often as someone who wears straight hair.
The condition of your hair will determine how often you need to trim your ends.