What age will puppies stop growing?

Like large breeds, giant breeds need specially formulated diets to prevent excessive growth during puppyhood that can lead to health problems. Your giant breed puppy will finish growing between 10-and-16-months of age, although some breeds can take up to 18 months or longer. read more

Height vs. weight: a dog will stop growing in height before it stops growing in weight. Most dogs will be at 75% of their final height at around 6 months old, but they can keep putting on weight for another 6 months to another year, depending on the breed. read more

If that sweet big pup you brought home is a mastiff, you'll go on wondering if he's ever going to stop growing until he's 3 to 4 years old. Small-Breed Dogs While a large-breed puppy multiplies his birth weight 100 times in his first year of life, your cuddly small-breed pup will multiply his birth weight 20 times. read more