Weightlifting stunting your growth is an old, bad wife's tale. Lifting weights, even the dreaded and scary squat or deadlift, will no more effect the height you will be when you stop growing than will playing basketball.
I personally think this myth got started because so many successful olympic lifters, powerlifters, and bodybuilders are relatively short.
People in general are afraid of what they don't understand. They are also afraid of things that cause pain, and they avoid like the plague things that require discipline. It is little wonder that they don't like lifting weights.
Combine the two paragraphs above, and it was not long before someone decided, hey, all these guys lift weights, and they are short. . . lifting must stunt your growth, hah, I am better off with my pipe cleaner arms after all, cause I am taller than I would have otherwise been.
Overlooking of course the fact that with the strength athletes descrived in the 2nd paragraph, are going to have a leverage advantage by being thicker built in relation to their weight class. If you are a 132, and you are six foot tall, you are not going to win a whole lot of strength events.
Offensive linemen in the NFL are almost exclusively in the six foot 3 to six foot 7 or 8 range in height. And those guy began lifting at the same age as many of the powerlifters and olympic lifters you see, but they are tall, because they were born to be tall.
I am five foot seven and one half inches tall. Weightlifting did not stunt my growth. I played basketball till I was 16 (I stopped getting taller at 14). And basketball players are tall, so why am I not tall? Cause I was born to be five foot seven and one half inches tall.
B.