Quote Originally Posted by lv4dogs
I have heard that it varies by breed, some grow slower than others. But in general I have heard 2-3 years of age.
That's what I've heard, with Maine Coons taking the longest to reach their full growth. I swear, Mishi has grown since I adopted him; now he finally seems to have reached his full physical size; as for his mental maturity I love my giant kitten!