When Do Bernese Mountain Dogs Stop Growing?

The Bernese Mountain Dog holds a special place in many dog lovers’ hearts. Their striking tricolor coat and loyal, affectionate nature make them popular family companions. However, their large size means understanding their growth timeline is key to raising a happy, healthy Berner. So when do Bernese Mountain Dogs stop growing?

As puppies, Bernese Mountain Dogs grow rapidly, gaining 2-3 pounds per week during their most intense growth phase from 4-8 months old. Their height levels off around 1 year old, but they continue to fill out and add muscle mass until age 2. While individual growth rates may vary, you can expect your Bernese Mountain Dog to reach their full adult size between 18-24 months.

Knowing what to expect as your Berner puppy matures will help you provide proper care and nutrition at each stage. The key is going slow and steady, allowing plenty of time for their bones and joints to develop strength. With a loving home and owner who understands their needs, the Bernese Mountain Dog will reward you with years of unwavering companionship.

Feeding a high-quality large breed puppy food and limiting intense exercise until they mature helps set the foundation for lifelong health. Work closely with your veterinarian to monitor your dog’s growth and development. They can advise you on the ideal nutrition, activity levels, and health care needed at each phase.

Bernese Mountain Dog growth stages include:

Bernese Mountain Dogs Growth Stages
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Puppyhood (8-12 weeks)

    Rapid early development; gain about 10-15 pounds. Ready for a new home at 8 weeks. Feed puppy food 3-4 times daily.

    Adolescence (4-8 months)

    Most intense growth spurt. Gain 2-3 pounds weekly in height and length. Transition slowly to adult dog food. Increase socialization and training.

    Maturity (1-2 years)

    Reach full height in 1 year; continue adding healthy muscle mass. Metabolism starts slowing. Monitor calorie intake.

    Full Maturity (2 years)

    Females 70-95 lbs; males 80-110 lbs. Growth plates fused, maintain ideal condition. May transition to large breed adult food.

    Raising your Bernese Mountain Dog with thoughtful care and patience will reward you with a loyal, gentle giant by your side for years to come. Stay tuned for more tips on caring for this wonderful breed!

    Individual Variation:

    While the overall growth timeline provides useful guidelines, it’s important to remember that the exact timing and rate of development can vary quite a bit between individual dogs.

    Genetics, nutrition, exercise levels, health status, and other factors all play a role in determining your particular puppy’s growth curve. Some Bernese Mountain Dogs may reach their full adult stature a little sooner or later than the average.

    This is why working closely with your veterinarian is so important. They can assess your dog’s specific growth milestones and ensure their development stays on a healthy track.

    During regular check-ups, your vet will monitor indicators like weight, height, bone and muscle condition, and any emerging health issues. They can advise you on adjusting nutrition or activity if needed to support your dog’s growth.

    Raising a Bernese Mountain Dog is a partnership between you and your vet. By communicating openly and following their guidance, you can give your pup the exact care they need at each stage of maturation. While individual dogs may vary, your veterinarian can help ensure your Bernese grows into a happy, healthy companion for life.


    In summary, the key growth stages for Bernese Mountain Dogs span from puppyhood through the first two years of life. The most rapid development occurs between 4-12 months of age as they mature from puppies to adolescents.

    By 1 year old, Bernese Mountain Dogs typically reach their full adult height. However, they continue to fill out with muscle mass and bone density until age 2 when their growth plates close and fuse.

    While the exact timing may vary from dog to dog, this large breed generally completes its physical maturation between 18-24 months old. Providing proper nutrition, moderate activity, training, and veterinary care tailored to each phase of development is crucial.

    With thoughtful guidance and patience, Bernese Mountain Dog owners can enjoy watching their pup steadily grow into a loyal, gentle giant companion. Their manageable developmental timeline makes this incredibly special breed a true joy to live with for years to come.

    If you are looking for dog bed then check out our best dog bed list for Bernese Mountain Dog.

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    FAQs to when Bernese Mountain Dogs stop growing:

    At what age is a Bernese Mountain Dog considered fully grown?

    Bernese Mountain Dogs reach their full adult size around age 2. Their growth plates close between 18-24 months old.

    How big will a male Bernese Mountain Dog get?

    The average adult male Bernese is 80-110 pounds and 23-28 inches tall at the shoulder.

    How big will a female Bernese Mountain Dog get?

    Female Bernese Mountain Dogs are typically 70-95 pounds and 21-26 inches tall at maturity.

    How fast do Bernese Mountain Dog puppies grow?

    Bernese puppies grow very quickly, gaining 2-3 pounds per week from 4-8 months old during their most rapid development.

    When should I switch my Bernese Mountain Dog to adult food?

    Start transitioning from puppy to adult food between 6-12 months old once they near their full adult height.

    How much exercise does a growing Bernese Mountain Dog need?

    Growing Berners need moderate, low-impact exercise. Avoid too much high-intensity play and walking until they mature.

    At what age can I begin more intense exercise with my Bernese?

    Once they reach full maturity around age 2, Bernese can safely handle longer periods of exercise like hiking.

    Is it normal for my Bernese to be lanky as an adolescent?

    Yes, it’s common for their height to precede their filled-out body during the teenage growth spurt phase.

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