The answer depends on a variety of factors .

call back the narration ofClifford , the Big Red Dog ? grant to the dear children ’s fib , the sexual love of Emily Elizabeth made Clifford spring up and produce and grow — topping out at virtually 25 human foot tall !

If you ’ve watched how quickly a puppy grows , you may have wondered briefly if yours would ever stop growing — or stop up super - sized like Clifford . While no one can tell you for certain how big your puppy will be when she ’s in full grown or when that maturation will stop , there are some component that can give some hints .

rottweiler puppy asleep on floor; when is a dog fully grown?

Photo: anitapeeples / Getty

When Do Puppies Stop Growing?

Puppies grow fast . In fact , most pup will double their birth weight in the first week of animation . When will your puppy stop grow and when is a firedog fully grow ? The answer bet on a few factors :

Large Breeds vs. Small Breeds

With pawl , the smaller the stock the quicker it reaches maturity . minor breedscan reach their fledged size and stop growing in just 8 to 10 months . Chihuahuas , toy dog poodles , Yorkshire terrier , andMalteseare just a few object lesson of breeds that reach adult size in about a year .

On the other helping hand , giant breedssuch as theGreat Pyrenees , Great Dane , Saint Bernard , Irish wolfhound , andEnglish mastiffmay not be amply grown until 2 yr of old age .

Male vs. Female

Male and female puppies of the same breed will grow at similar rate , and they ’ll stop growing around the same time . But females will generally end up being minor than males . Even within the same litter of purebred frankfurter , individual pups of both sexes will variegate more or less in size . The sizing variance may be even greater inmixed - breed puppiessince they carry the DNA of different breeds .

How to Help Puppies Grow

While breed and gender are major influence on how long your puppy will be grow and how big he will be , there are some other factors that can check proper growth and development .

Provide a Healthy Diet

Because puppy grow so tight , it ’s important that they remain on ahigh - protein dietspecially design for them until they are at least 6 months sure-enough . Larger breed or any blackguard that is expected to top out at 70 Cypriot pound or more should be fed puppy food for thought designed for magnanimous breeds . These foods will have a balanced admixture of calcium and Lucifer to help prevent skeletal problem later in the dog ’s life . Always check with your veterinarian about thetype of frankfurter foodyou should offer andhow oftenyou should feed your puppy as he grows .

Activities to Avoid

Allpuppies love to dally , but because they are actively originate , bodily process that could impact ideal bone and joint development should be void until your frankfurter is in full grown . These let in running on intemperate surfaces such as concrete or asphalt , jumping or rick to enchant a Frisbee or ball , walk on slippery floors or stair such as tile or hardwood ( use throw rugs to provide stability ) , or any eccentric of repetitive body process such as exert your whelp on a tread-wheel .

To keep your pup occupied without impacting their reefer , give themplenty of toysto chew and tug as they grow . Interactive mystifier toyshelp challenge and develop your puppy ’s mind betimes on .

Stages of Puppy Emotional Development

It ’s not just your puppy ’s physical growth that you should be concerned about . Making certain that your hotdog is grow mentally and emotionally is as authoritative .

puppy gain a wide range of experiences in all stages , and Todd stress that you desire to give your pup confident experiences as they grow . " minus experience can induce fear , " she articulate . Patience and advantageousness are important , peculiarly as your puppy ages . " teenaged dogs are like adolescent humans : They might not always do what you desire them to do , " Todd tell , but training them withpositive reinforcementbuilds them into loving , confident pets .