Have I reached my limit of Growth?

I am 17 and turning 18 in two months. I am 5.9 , and my shoulder are out and what not and I already have facial hair, and have also been crused with the Hairy chest and stomach and the other places, I never really got a growth sprout, but yeah have I reached my limit of Growth ? if I have then at least I can start pumping the weights at the gym take all the supplements with out worring If I am gonna stunt my growth