Yes, for both sexes. Males reach sexual maturity much faster, at about age one quite often, but they still aren't fully adults until age 3 or 4. Rapid growth continues until that point, as do changes in color.
Taking the winter off from food can slow a male's growth, but he'll make up for it a lot during the summer if you feed him well.
There are many males that reach 1500 to 2000 grams, just as the females do. (Granted, some seem to top out at 800 to 1000 grams).