Discover When are French Bulldogs Fully Grown – Essential Guide

when are french bulldogs fully grown

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Are you a proud owner of a French Bulldog or considering getting one? One of the questions that may come up is, “When are French Bulldogs fully grown?” Knowing the answer is crucial to ensure that you provide the right care and nutrition for your furry friend.

In this essential guide, we’ll explore the growth stages and development timeline of French Bulldogs, including when they reach maturity and stop growing. We’ll also provide a French Bulldog size chart and address common questions and concerns about their growth process.

Understanding French Bulldog Growth Stages

French Bulldogs, like all dogs, go through several growth stages before reaching adulthood. Understanding these stages is important for properly caring and training your furry friend. The following are the main stages of French Bulldog growth:

Puppy Stage (0-6 months)

During this stage, French Bulldog puppies grow rapidly, doubling or tripling their birth weight within the first few weeks. Puppies start to develop their senses and motor skills, and begin teething around 3-4 months of age. Potty training should begin during this stage, as well as socialization with other dogs and humans.

Adolescent Stage (6-12 months)

During this stage, French Bulldogs begin to develop their adult personality and behavior. They become more active and curious, and may become more stubborn as they test their boundaries. This is a crucial stage for training and socialization, as they will continue to learn and develop their behavior throughout adulthood.

Adult Stage (1-3 years)

By the age of one, most French Bulldogs have reached their full height, while their weight may continue to increase until around the age of two. They become more settled in their behavior and energy levels, and may become less interested in frequent playtime. This is the stage where they begin to settle into their adult personality, and continue to thrive with proper care and attention.

The Maturity Age of French Bulldogs

French Bulldogs are an adorable breed of dog that has captured the hearts of many people around the world. As they grow and develop, owners often wonder when these furry friends will reach their maximum size and maturity.

The maturity age of French Bulldogs varies from dog to dog, although generally, they are considered fully grown at around 12-16 months of age.

During the first few months of life, French Bulldogs experience rapid growth, reaching their adult height and weight by around 9-12 months of age. However, it typically takes a few more months for the dog’s muscles and body structure to develop to support their weight and frame fully.

It is important to note that some French Bulldogs may continue to grow and fill out until they are up to two years old, while others may reach full maturity as early as 9 months.

If you are unsure whether or not your French Bulldog has reached maturity, consult with your veterinarian who can assess their growth and development, and provide specific advice tailored to your dog.

French Bulldog Development Timeline

French Bulldogs, like all dogs, go through different stages of development that are crucial to their growth and health. Here is a timeline of the key developmental milestones in a French Bulldog’s life:

AgeDevelopmental Milestones
0-2 WeeksNewborn French Bulldogs are deaf, blind, and completely dependent on their mother. During this stage, they spend most of their time sleeping and nursing.
2-3 WeeksFrench Bulldog puppies begin to open their eyes and ears, and they become more aware of their surroundings. They also start to develop their sense of smell and taste, and they may begin to try and crawl.
3-4 WeeksPuppies start to become more active and playful, and they begin to interact with each other more. They also begin to eat soft food and drink water, in addition to nursing from their mother.
4-8 WeeksPuppies continue to grow and develop quickly during this stage. They start to explore their environment more, play more, and learn social skills from their littermates. They also begin to be weaned from their mother’s milk and eat solid food.
8-12 WeeksPuppies start to lose their baby teeth and their adult teeth begin to come in. They also become more independent and may experience some fear periods during this time. It’s important to socialize them with people and other dogs during this stage to avoid behavioral problems later on.
3-6 MonthsFrench Bulldogs start to look more like adults during this stage, and their growth begins to slow down. They may experience another fear period, so it’s important to continue socializing them. They may also start to exhibit some sexual behavior.
6-12 MonthsPuppies become adolescents during this stage and may show more independence and stubbornness. They may also start to test their boundaries and exhibit more dominant behavior. It’s important to continue training and socializing them during this time.
1 Year and OlderBy one year of age, most French Bulldogs have reached their full size and weight. However, they may continue to mature and change in behavior and temperament until they are around 2-3 years old. It’s important to continue providing them with proper nutrition, exercise, training, and socialization to maintain their health and happiness.

As you can see, French Bulldog puppies go through a lot of changes in a short period of time. Understanding their developmental milestones can give you a better idea of what to expect and how to care for them at each stage.

Size of Adult French Bulldogs

When fully grown, French Bulldogs are considered a small to medium-sized breed, with an average height of 11 to 12 inches (28 to 30 cm) at the shoulder. They typically weigh between 16 and 28 pounds (7 to 13 kg), with males usually being larger than females.

It’s important to note that not all French Bulldogs will fall within these size ranges, as genetics and other factors can influence their growth. However, these averages can provide a general idea of what to expect as your French Bulldog reaches adulthood.

French Bulldog Size Chart

If you’re curious about how your French Bulldog’s size compares to others of the breed, refer to this size chart:

AgeHeight (inches)Weight (pounds)
6 weeks5-64-6
3 months8-99-12
6 months10-1116-20
1 year11-1216-28

Remember that these numbers are just averages and that every French Bulldog will grow and mature at their own pace. As with any breed, it’s important to monitor your dog’s size and weight to ensure they stay within a healthy range, but don’t be too concerned if they fall slightly outside of the average size ranges.

The Growth Process of French Bulldogs

French Bulldogs go through several growth and development stages until adulthood. Understanding these stages can help you provide the best care for your beloved pet. Here are the key physical and behavioral changes you can expect at different stages:

Stage 1: Birth to Two Weeks

During the first two weeks of their life, French Bulldog puppies are completely dependent on their mother. They are born with closed eyes and ears and cannot regulate their body temperature. They rely on their mother’s milk for nourishment and protection from diseases.

Stage 2: Two to Four Weeks

Between the ages of two and four weeks, French Bulldog puppies start to open their eyes and ears and become more mobile. They begin to explore their surroundings and develop their sense of smell. They also start to eat solid food and interact more with their littermates.

Stage 3: Four to Eight Weeks

French Bulldog puppies experience rapid growth and development from four to eight weeks old. They play more actively and learn important social skills from their littermates. They also begin to respond to their name and basic commands. During this stage, providing them with a balanced diet and regular vet checkups is crucial.

Stage 4: Eight Weeks to Six Months

As French Bulldogs reach eight weeks of age, they are ready to leave their mother and join their new family. During this stage, they continue to experience significant physical and behavioral changes. They grow rapidly and start to develop adult teeth. They also become more independent and assertive. Training and socialization become especially important during this stage to ensure they develop good habits and manners.

Stage 5: Six Months to Two Years

Between six months and two years old, French Bulldogs reach adolescence and their growth slows down. They still have a lot of energy and may exhibit occasional bursts of stubbornness. It is important to continue with training and socialization to help them become well-adjusted adults.

Stage 6: Adulthood

Fully grown French Bulldogs typically reach their full height and weight between one and two years of age. They are no longer growing and have settled into their adult personality and behavior. However, they still require regular exercise, vet checkups, and proper nutrition to maintain their health and well-being.

Understanding the growth process of French Bulldogs can help you be a better pet parent and ensure that your furry friend gets the care and attention they need.

What Age Do French Bulldogs Become Full-Grown?

French Bulldogs are considered fully grown when they reach 12 to 14 months of age. They have reached their full height, weight, and physical development at this stage.

It is important to note that the growth rate of French Bulldogs can vary based on factors such as genetics, diet, and overall health. Some Frenchies may reach their full size at a younger age, while others may grow slowly until they reach 18 months of age.

If you are unsure if your French Bulldog has reached full maturity, consult with your veterinarian. They can assess your Frenchie’s growth and development to determine if they have reached their full size.

When Do French Bulldogs Stop Growing?

French Bulldogs typically stop growing between 12 to 14 months of age. However, they may continue to fill out and develop muscle tone until they are 18 to 24 months old.

It is important to monitor your French Bulldog’s diet and exercise routine during this period to ensure they maintain a healthy weight and physique.

What is the Average Size of a Fully Grown French Bulldog?

The average size of a fully grown French Bulldog is between 11 to 12 inches in height and 16 to 28 pounds in weight. However, size can vary based on genetics and other factors.

Consult with your breeder or veterinarian to determine what size you can expect your Frenchie to reach at full maturity.

How Can I Ensure My French Bulldog Grows and Develops Properly?

Providing your French Bulldog with a balanced diet, regular exercise, and proper veterinary care can help ensure they grow and develop properly.

It is also important to monitor their growth and development to detect any potential health issues early on. Regular check-ups with your veterinarian can help ensure your Frenchie stays healthy as they grow.

French Bulldog Size Chart

As with any dog breed, French Bulldogs come in different sizes. While they generally tend to be small dogs, there can be a significant difference in size between the smallest and largest Frenchies. Here is a size chart that outlines the average height and weight of French Bulldogs at different stages of their growth:

AgeHeight (Inches)Weight (Pounds)
NewbornLess than 1 lb
1 week2-31-2
2 weeks3-41-3
4 weeks4-53-5
8 weeks9-125-10
12 weeks11-148-14
6 months11-1316-20
1 year11-1216-28
2 years11-1216-28

It’s important to note that the size and weight of a French Bulldog can vary based on several factors, including genetics and diet. This chart should be used as a general guide and not a strict rule.

Frequently Asked Questions about French Bulldog Growth

As a French Bulldog owner, you may have some questions about the growth and development of your furry friend. Here are some of the most frequently asked questions about French Bulldog growth:

At what age do French Bulldogs stop growing?

Fully grown French Bulldogs typically reach their maximum size and weight between 9-12 months of age. However, it’s important to note that small changes can still occur up to 18 months of age.

How much should my French Bulldog weigh?

The weight of a French Bulldog can vary depending on their sex, genetics, and overall health. On average, male French Bulldogs weigh between 20-28 pounds, and females weigh between 16-24 pounds.

What is the size of an adult French Bulldog?

The height of an adult French Bulldog should be around 11-12 inches at the shoulder. They should have a thick, muscular build and a compact body. Their weight should be proportional to their height and gender.

What is the growth rate of a French Bulldog?

The growth rate of a French Bulldog varies depending on their age and stage of development. In general, they will experience rapid growth during the first 6-8 months of their life, and then continue to gradually develop until they reach their full size and weight at around 12 months of age.

What can I do to support my French Bulldog’s growth?

To support your French Bulldog’s growth, provide a healthy and balanced diet, regular exercise, and plenty of love and attention. Regular check-ups with a veterinarian can help ensure your furry friend is growing and developing properly.


Now that you have a better understanding of when French Bulldogs are fully grown, you can provide the best care for your furry friend at every stage of their growth process. Remember that each French Bulldog is unique and may reach maturity at different ages, so paying attention to your dog’s individual development is essential. You can help your French Bulldog grow and thrive into a happy and healthy adult by providing proper nutrition, exercise, and veterinary care.