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When Is A French Bulldog Full Grown

French Bulldogs are undeniably one of the most adorable canine companions out there. With their unique bat-like ears, wrinkled faces, and compact bodies, it’s no wonder why so many people are smitten by their charm. But as any responsible owner knows, understanding the growth and development of these delightful creatures is crucial for their well-being. So, when is a French Bulldog full grown?

In this article, we will take a closer look at the various stages of growth that a French Bulldog goes through, shedding light on their physical and behavioral changes along the way. From the early puppyhood phase to the moment they reach their full potential, we will explore the fascinating journey of a French Bulldog’s growth. Whether you’re a proud Frenchie owner or considering bringing one into your home, this article aims to provide you with valuable insights into when you can expect your furry friend to reach their full grown stature. So, let’s embark on this enlightening adventure and discover the answer to the intriguing question, when is a French Bulldog full grown?

When Is A French Bulldog Full Grown

Factors Affecting Growth Rate


Genetics play a significant role in determining the growth rate of a French Bulldog. Just like humans, dogs inherit certain traits from their parents, including their size and development. If the parents of a French Bulldog are on the smaller side, it is likely that their offspring will also be smaller in size. On the other hand, if the parents are larger, the puppies are more likely to grow into bigger dogs. Therefore, it is essential to consider the genetics of a French Bulldog when predicting its growth rate.


Gender is another factor that influences the growth rate of French Bulldogs. Males tend to be slightly larger and heavier than females. However, the difference in size is not significant, and both genders generally reach their full size by the age of 1 to 1.5 years. It is important to note that individual variations still exist, and each French Bulldog should be assessed individually.


Proper nutrition is crucial for the healthy growth of a French Bulldog. A well-balanced diet that is appropriate for their age and size should be provided to ensure optimal growth and development. Puppies require a diet rich in nutrients, such as protein, to support their growing bodies. As they transition into adulthood, their nutritional needs may change, and it is important to adjust their diet accordingly. Consulting with a veterinarian can help ensure that your French Bulldog receives the right nutrition for its growth.


Regular exercise is vital for the proper growth and development of a French Bulldog. Exercise helps build strong muscles, improve coordination, and maintain a healthy weight. However, it is important to strike a balance and avoid excessive exercise, especially during the puppy stage. Overexertion can put strain on developing bones and joints, potentially leading to long-term issues. Providing appropriate exercise based on the age and energy level of the French Bulldog is key to promoting healthy growth.


The overall health and well-being of a French Bulldog also impact their growth rate. Health conditions, such as infections or underlying medical issues, can affect growth. Ensuring your French Bulldog receives regular veterinary check-ups, vaccinations, and preventive care is essential for identifying and addressing any health concerns that may impact growth. It is important to provide a safe and nurturing environment to promote optimal growth and development.

Typical Growth Phases

Neonatal Stage

The neonatal stage covers the first two weeks of a French Bulldog’s life. During this time, the puppies are completely dependent on their mother for nourishment and warmth. They spend most of their time sleeping and feeding, gradually gaining weight and growing. It is during this stage that the foundation for their growth and development is established.


The infancy stage begins when the French Bulldog puppies are around 2 to 3 weeks old and lasts until they are approximately 8 weeks old. During this stage, they start to become more active, exploring their surroundings, and engaging in social interactions with their littermates and mother. Their body proportions begin to take shape, and they slowly transition from a completely milk-dependent diet to solid food.


Adolescence is a critical stage for French Bulldogs as they go through significant growth spurts. It typically starts at around 6 months and continues until they reach sexual maturity, which is usually between 9 to 12 months. During this phase, their bones grow rapidly, and they may experience some awkwardness due to their changing bodies. It is important to provide proper nutrition and moderate exercise during this period to support healthy growth.


French Bulldogs reach their full adult size and weight by the age of 1 to 1.5 years. Once they have reached this stage, their growth rate slows down considerably. At this point, their body is fully developed, and they have achieved their adult height and weight. However, it is important to note that individual variations may exist, and some French Bulldogs may continue to fill out and develop muscle until they are around 2 years old.

Size and Weight

Average Size

The average size of a fully grown French Bulldog varies, but generally, they stand between 11 to 12 inches tall at the shoulder. However, it is important to remember that the breed standard allows for some size variation, and there may be French Bulldogs that fall slightly outside this range.

Weight Range

The weight range for adult French Bulldogs is typically between 16 to 28 pounds. However, individual variation and factors such as genetics, diet, and exercise can influence a French Bulldog’s weight. It is important to monitor their weight and consult with a veterinarian to ensure they maintain a healthy weight throughout their life.

Comparison with Other Breeds

French Bulldogs are known for their compact and muscular build. When comparing them to other breeds, they are generally smaller in size. For instance, they are smaller than English Bulldogs and larger than Toy Bulldogs. However, it is important to remember that physical characteristics can vary, and individual French Bulldogs may differ in size and appearance within the breed standard.

Factors Influencing Size

Besides genetics, factors such as nutrition, exercise, and overall health can influence a French Bulldog’s size. Proper nutrition during their growth phases is essential to support healthy bone development and muscle growth. Regular exercise helps maintain muscle tone and overall fitness. Additionally, maintaining good health through regular veterinary care ensures that any potential issues that might impact size are addressed early on.

Physical Development

Eyes and Ears

At birth, the eyes and ears of French Bulldog puppies are closed. The eyes typically open between 10 to 14 days, followed by the opening of their ears. As they grow, their eyes and ears continue to develop, allowing them to perceive the world around them. Regular check-ups with a veterinarian ensure that their eyes and ears remain healthy, free from any infections or issues.

Dental Development

Dental development is an important aspect of a French Bulldog’s physical growth. Puppies start losing their baby teeth at around 3 to 4 months old, and their permanent teeth gradually come in. By the time they are around 6 to 7 months old, they should have their adult teeth fully developed. Good oral hygiene, such as regular teeth brushing and dental check-ups, is crucial for maintaining healthy teeth and gums.

Coat and Color Changes

French Bulldogs have a short, smooth coat, and their coat color can vary. Some common colors include fawn, brindle, white, and pied. While their coat color may change slightly as they grow, it generally remains consistent throughout their life. Regular grooming, such as brushing and bathing, helps keep their coat healthy and reduces shedding.

Body Proportions

French Bulldogs have a distinctive body shape characterized by a stout build, broad chest, and compact frame. As they grow, the proportions of their body become more apparent and develop into the characteristic French Bulldog physique. Their body proportions also depend on factors such as genetics and overall health.

When Is A French Bulldog Full Grown

Mental and Behavioral Development


Socialization is a critical aspect of a French Bulldog’s mental and behavioral development. During the early stages of their life, it is important to expose them to various people, animals, and environments. This helps them become well-rounded and confident dogs. Positive socialization experiences during their growth stages contribute to their overall mental and emotional well-being.

Training Milestones

French Bulldogs are intelligent and eager to please, making them relatively easy to train. As they grow, they reach various training milestones. They learn basic commands, such as sit, stay, and come, during their puppyhood. As they transition into adolescence, they can further develop their training skills, learning more advanced commands and participating in activities such as agility or obedience competitions.

Behavioral Changes

As French Bulldogs grow, they may experience certain behavioral changes. For example, during their adolescence, they may exhibit some independence and test boundaries. It is important to address any behavioral issues promptly by using positive reinforcement training methods and seeking guidance from a professional dog trainer or behaviorist if needed.

Signs of Being Full Grown

Stable Height and Weight

One of the signs that a French Bulldog is fully grown is a stable height and weight. Once they have reached their adult size, their height and weight should remain relatively consistent. Any significant changes in size after this point may indicate an underlying health issue and should be addressed by a veterinarian.

Completed Teeth Development

Another sign of being full grown is the completion of teeth development. By the time a French Bulldog reaches adulthood, their adult teeth should be fully developed and erupted. This is typically around 6 to 7 months old. Regular dental check-ups and proper oral hygiene practices ensure that their teeth remain healthy throughout their life.

Settled Personality

As French Bulldogs reach adulthood, their personality becomes more settled. They have matured mentally and emotionally, and their temperament becomes more predictable. However, it is important to remember that individual personalities can still vary within the breed.

Behavioral Maturity

Full grown French Bulldogs also exhibit behavioral maturity. They have learned appropriate behaviors, have a better understanding of social cues, and are less likely to engage in destructive or immature behavior. While ongoing training and reinforcement may still be necessary, they generally have a more stable and mature demeanor.

When Is A French Bulldog Full Grown

Variations of Growth

Individual Differences

Just like humans, each French Bulldog is unique, and there can be individual differences in their growth rate and development. While there are general guidelines and timelines for growth milestones, it is important to remember that these are not set in stone. Some French Bulldogs may reach their full size earlier or later than others, and that is perfectly normal.

Impact of Breeding

Breeding practices can also influence the growth rate and size of French Bulldogs. Responsible breeders strive to produce healthy puppies that adhere to the breed standard. However, unethical breeding practices, such as breeding for extreme size or exaggerated features, can lead to health issues and impact the growth and development of French Bulldogs negatively.

Delayed Growth or Late Bloomers

In some cases, French Bulldogs may experience delayed growth or be considered late bloomers. This can be due to various factors, including underlying health conditions or slower development. If a French Bulldog’s growth seems to be significantly delayed or abnormal, it is important to consult with a veterinarian to rule out any potential health concerns.

Monitoring Growth

Regular Vet Check-ups

Regular veterinary check-ups are crucial for monitoring the growth and development of a French Bulldog. Veterinarians can assess their physical condition, address any concerns, and provide guidance on nutrition and exercise. Monitoring growth through regular check-ups ensures that any potential issues are identified and addressed early on.

Record Keeping

Keeping records of a French Bulldog’s growth milestones, such as weight, height, and key developmental stages, can be helpful in tracking their progress. This information can be shared with the veterinarian during check-ups and also serves as a reference point for monitoring their growth over time.

Body Condition Scoring

Body condition scoring is a useful tool to assess a French Bulldog’s growth and overall health. It involves evaluating their body composition and assessing factors such as muscle tone and body fat. Maintaining an optimal body condition helps ensure that they are growing at a healthy rate and not becoming overweight or underweight.

Comparison with Growth Chart

Comparing a French Bulldog’s growth to a breed-specific growth chart can provide valuable insights into their progress. Growth charts typically indicate the average height and weight ranges for specific ages, allowing owners to determine if their French Bulldog is within the expected range or showing any significant deviations. However, it is important to remember that individual variations exist, and not all French Bulldogs will follow a growth chart precisely.

When Is A French Bulldog Full Grown

Health Concerns during Growth

Bone and Joint Issues

During the growth stages, French Bulldogs are susceptible to certain bone and joint issues. Conditions such as hip dysplasia and patellar luxation can occur due to genetic predisposition or developmental factors. It is important to provide appropriate nutrition, manage exercise levels, and ensure proper veterinary care to minimize the risk of these health concerns.

Dietary Management

Proper dietary management is essential to support healthy growth and prevent weight-related issues. Overfeeding or feeding an imbalanced diet can lead to rapid weight gain and potentially impact a French Bulldog’s growth and development. Consultation with a veterinarian or a professional canine nutritionist can help determine the appropriate diet for a growing French Bulldog.

Vaccinations and Preventive Care

During the growth stages, French Bulldogs require vaccinations and preventive care to protect them from various diseases and health issues. Following a vaccination schedule recommended by a veterinarian ensures that they are protected against common infectious diseases that can hinder their growth and overall well-being.


Understanding the factors affecting the growth rate of French Bulldogs is essential for providing them with optimal care and ensuring they develop into healthy and happy adult dogs. Genetics, gender, nutrition, exercise, and overall health all play a significant role in their growth. Monitoring their growth, socializing them appropriately, and providing regular veterinary care are key to promoting their physical and mental development. By providing a nurturing and supportive environment, French Bulldogs can thrive and mature into well-rounded canine companions.

When Is A French Bulldog Full Grown


I am Crownstar, the passionate author behind DogBreedWorld. Welcome to a realm where we delve into the enchanting universe of dogs and explore different breeds. At DogBreedWorld, I am dedicated to sharing valuable information, tips, and tricks on raising and training healthy dogs. With a profound love and understanding for our furry friends, I aim to provide dog enthusiasts with insights into the world of various dog breeds, unravel their unique traits, and offer guidance on how to care for them. Join me on this delightful journey as we celebrate the beauty and wonder of our four-legged companions.