sick_lid;2313102; said:in the time i've had it, mine went from 4-6" in 2 months..
also, mixing in bugs (like their natural habitat) with their staple diet will help a great deal as well. i didn't feed mine any moths for the first month or so, but since i have his colors have changed greatly, he seemed to grow quicker, and has become a lot more active. he's great.