When Do Dogs Stop Growing?

Dogs are beloved companions that bring joy and companionship to millions of people around the world. As pet owners, we want to provide our furry friends with the best care possible, including ensuring that they grow and develop properly.

One common question that many dog owners have is, “When do dogs stop growing?” It’s an important question to ask because understanding a dog’s growth and development is crucial to providing proper nutrition, exercise, and healthcare. In this article, we will explore the various factors that influence a dog’s growth and answer the important question of when dogs stop growing.

At What Age Do Dogs Stop Growing?

at what age do dogs stop growing? - when do dogs stop growing?

The age at which dogs stop growing depends on their breed, size, and overall health. Generally, smaller breeds of dogs reach their full size more quickly than larger breeds. Small dogs may reach their adult size by the time they are six to eight months old, while medium-sized breeds may continue to grow until they are about a year old. Large breed dogs can take much longer to reach their full size, and may continue to grow until they are two years old or even older.

However, it’s important to note that growth timelines can vary depending on the individual dog and their specific breed. Factors that can affect the growth and development of small and medium dog breeds include nutrition, exercise, genetics, and overall health. A balanced diet that meets the specific needs of your dog’s breed and size is important for healthy growth. Regular exercise is also important for building strong bones and muscles, which can support healthy growth. Additionally, routine veterinary care can help ensure that any potential health issues are addressed promptly, which can promote healthy growth and development.

Small and Medium Dog Breeds

small and medium dog breeds - when do dogs stop growing?

Small and medium dog breeds typically stop growing at different ages depending on their breed, size, and overall health. Here are some general guidelines:

Small dog breeds: Small dog breeds, such as Chihuahuas and Toy Poodles, usually reach their full size between 6 to 8 months of age. However, some small dog breeds may continue to grow until they are about a year old. It’s important to note that small breeds tend to have a shorter growth period than larger breeds.

Medium dog breeds: Medium dog breeds, such as Cocker Spaniels and Border Collies, generally stop growing at around 12 months of age. However, some medium breeds may stop growing earlier, at around 8 to 10 months old. It’s important to monitor your dog’s growth and consult with your veterinarian to determine the specific timeline for their growth.

Large and Giant Dog Breeds

large and giant dog breeds - when do dogs stop growing?

Large and giant dog breeds take much longer to reach their full size and may continue to grow until they are two years old or even older. However, the age at which they stop growing can vary depending on their breed, size, and overall health. Here are some general guidelines:

Large dog breeds: Large dog breeds, such as Labrador Retrievers and Boxers, typically stop growing at around 18 months to 2 years of age. However, some large breeds may continue to grow until they are about 3 years old. It’s important to note that some large breeds may also have growth spurts during this time.

Giant dog breeds: Giant dog breeds, such as Great Danes and Saint Bernards, can take even longer to reach their full size. These breeds may continue to grow until they are about 2 to 3 years old or even older. During this time, they may experience significant growth spurts and require additional support for healthy development.

Dog Growth Chart

Here is a typical dog growth chart that shows the expected weight and height ranges for puppies of different breeds and ages.

Age (Months)

Small Breed (Expected Weight Range)

Medium Breed (Expected Weight Range)

Large Breed (Expected Weight Range)

Giant Breed (Expected Weight Range)

2

1.5-4 pounds

5-10 pounds

10-20 pounds

20-30 pounds

3

2.5-6 pounds

10-15 pounds

20-30 pounds

30-50 pounds

4

3-8 pounds

15-25 pounds

30-50 pounds

50-80 pounds

5

4-10 pounds

20-35 pounds

40-70 pounds

70-120 pounds

6

5-12 pounds

25-45 pounds

50-90 pounds

100-150 pounds

7

6-14 pounds

30-55 pounds

60-100 pounds

115-170 pounds

8

7-16 pounds

35-65 pounds

70-115 pounds

130-190 pounds

9

8-18 pounds

40-75 pounds

80-130 pounds

145-205 pounds

10

9-20 pounds

45-85 pounds

90-145 pounds

160-220 pounds

11

10-22 pounds

50-95 pounds

100-160 pounds

175-235 pounds

12

11-24 pounds

55-105 pounds

110-175 pounds

190-250 pounds

It’s important to note that these weight ranges are just general guidelines and can vary depending on the individual puppy’s breed, genetics, diet, and other factors. Additionally, puppies may not grow at a steady rate and may experience growth spurts at certain ages. Regular veterinary checkups can help ensure that your puppy is growing and developing appropriately and can provide guidance on proper nutrition, exercise, and other aspects of puppy care.

Factors That Affect Dog Growth

factors that affect dog growth - when do dogs stop growing?

There are several factors that can affect how long do dogs grow and development of dogs. Here are some of the most important factors to consider:

  • Breed: Different dog breeds grow at different rates and to different sizes. Some breeds, such as Chihuahuas and Toy Poodles, may be fully grown by 6 to 8 months of age, while other breeds, such as Great Danes and Saint Bernards, may take up to 3 years to reach their full size.
  • Nutrition: A balanced diet that meets the specific nutritional needs of a dog’s breed and size is crucial for healthy growth and development. Puppies, in particular, require a diet that is higher in protein and calories than adult dogs to support their growth and energy needs.
  • Exercise: Regular exercise is important for building strong bones and muscles, which can support healthy growth. However, too much exercise or inappropriate exercise can cause damage to growing bones and joints, so it’s important to provide age-appropriate exercise and avoid high-impact activities until a dog’s bones and joints are fully developed.
  • Genetics: The genetics of a dog play a role in their growth and development. Certain genetic conditions can cause growth abnormalities, such as dwarfism or gigantism, that can affect a dog’s size and health.
  • Health: Health issues such as infections, injuries, and diseases can affect a dog’s growth and development. Regular veterinary care, including vaccinations and preventive screenings, can help identify and treat potential health issues before they impact growth.
  • Spaying and Neutering: Studies have shown that spaying and neutering can affect the growth and development of dogs. Spaying and neutering can lead to hormonal changes that can affect bone growth and density, potentially leading to an increased risk of certain orthopedic problems.
  • Environmental Factors: Environmental factors such as temperature, humidity, and living conditions can also affect a dog’s growth and development. Puppies that are raised in cold or damp environments may be more susceptible to respiratory illnesses or joint problems.
  • Age and Gender: Age and gender can also play a role in a dog’s growth and development. Female dogs may stop growing earlier than male dogs, and small dogs may reach their full size earlier than large dogs.
  • Stress: Stress can impact a dog’s overall health and can potentially affect their growth and development. Chronic stress can cause hormonal imbalances that can impact bone growth and development.

It’s important to remember that every dog is unique and may have their own unique growth patterns and requirements. If you have any concerns about your dog’s growth or development, be sure to consult with your veterinarian for guidance and advice. Regular veterinary checkups can help ensure that any potential issues are identified and addressed early on, which can help promote healthy growth and development throughout your dog’s life.

Conclusion

Understanding when do dogs stop growing and the factors that can affect this growth is important for every pet owner. Genetics, nutrition, exercise, health status, and environmental conditions can all play a role. Regular veterinary checkups and using a puppy growth chart can help monitor progress and identify potential issues. By providing proper care, pet owners can help ensure their furry friend grows into a healthy adult dog.