How short can cornrows grow?

Cornrows can be as short as a couple of inches, depending on the individual's hair length and texture. Typically, the hair needs to be long enough to braid effectively, which usually requires a minimum of about 2-3 inches. However, the appearance of the cornrows can vary based on the tightness of the braids and the styling technique used. Ultimately, the length and style will depend on personal preference and hair characteristics.