In most cases, girls will discontinue growth at the end of puberty, or sexual development. This is because the hormones and nutrients used for growth during this period have reached their maximum potential.
It is most common for girls to hit their greatest growth spurt before the onset of menstruation. Once a girl's period starts, which is usually around the age of twelve and a half, girls usually gain around two inches of height a year, and often reach their final adult height at the age of fifteen or sixteen. These numbers can easily vary on a case by case, depending on numerous factors like when the puberty begins.