Tanner stages refer to the stage of puberty an individual one is in.
Don't sweat the tanner stage, while it is important, there are better things to consider out there when trying to grow so get on it and stop worrying about tanner stages.
Age: 17
Current Height: 5'8
Goal Height: 5'10/5'11
Parents's Height : 5'8 Dad and 5'2 Mom.