I don't know, it sounded about right so I've looked at my friend Google and found these links, which both seem to suggest that an upward groth spurt signals the start of puberty, periods start around 2 years later and there's not much growing afterwards.
http://kidshealth.org/parent/growth/growth/growth_13_to_18.html#
http://www.bbc.co.uk/science/humanbody/body/articles/lifecycle/teenagers/girl_s_growth.shtml