| Pet Care Advice By Veterinarians |

When Do Great Danes Stop Growing? The Answer Might Surprise You!



Reviewed By: Dr. Joel Robertson

Learn more about us.

If you’re like many other Great Dane owners, you may be wondering when your furry friend will stop growing. The answer may surprise you!

In this blog post, we will discuss the average lifespan of a Great Dane and when they typically stop growing. We will also provide some tips for ensuring that your Great Dane stays healthy and grows at a healthy rate.

Key Takeaway

  • Great Danes typically stop growing in height around 18 months to 2 years of age, and continue gaining weight and muscle mass until about 24 months old.
  • The maximum size of a Great Dane can reach up to 34 inches tall at the shoulder and weigh between 140-175 pounds, with the tallest recorded Great Dane, Zeus, standing at an impressive 44 inches tall and 7 feet, 4 inches on his hind legs.
  • To ensure consistent and healthy growth of your Great Dane, provide a balanced diet specifically designed for large breed puppies, give them regular exercise but avoid over-exertion, ensure they have routine veterinary check-ups, and provide a stress-free environment with plenty of rest.

When Do Great Danes Stop Growing?

When Do Great Danes Stop Growing

Great Danes can continue growing until they are about two years old, but their growth rate slows down considerably after they turn one. So, while Dane may not reach their full adult size until they are two years old, the vast majority of their growth happens in that first year of life.

Great Danes typically reach their full size by 18 months, but they can continue to grow until they are 2 years old. So don’t be alarmed if your pup is still getting bigger – that’s perfectly normal!

One important note: Great Danes are NOT fully grown at one year old! In fact, many Dane owners say that their dog didn’t really mature and become an “adult” until they were three or four years old.

So if you’re thinking about getting a Great Dane puppy, be prepared for a lot of growth (and some corresponding messes) in those first few years.

When do Great Danes reach their maximum height?

Great Danes will reach their maximum height at around 18 months old. Some Great Danes may continue growing until they are two years old, but most will reach their full height by 18 months. Male Great Danes typically grow to be 28-30 inches tall, while females are about 26-28 inches.

When do Great Danes reach their maximum weight?

Great Danes are big dogs, and they continue to grow until they’re about 18 months old and that’s when they reach their maximum weight. Female Great Danes usually weigh between 100 and 130 pounds, and male Great Danes typically weigh between 120 and 150 pounds. But some Great Danes can weigh more than 200 pounds!

It’s important to note that every Great Dane is unique; some may grow faster or slower than others, and that’s perfectly fine!

What is the Maximum Size of a Great Dane?

When Do Great Danes Stop Growing

The average weight of a male Great Dane is 120-150 pounds, and the average weight of a female Great Dane is 100-130 pounds. The average height of a male Great Dane is 28-30 inches, and the average height of a female Great Dane is 26-28 inches.

However, there are always outliers in every breed! Some male Great Danes can weigh up to 250 pounds or more, and some females can weigh up to 200 pounds or more. The tallest recorded Great Dane was 43 inches tall! As you can see, size varies quite a bit within the breed.

There are actually no set limits on the size of a Great Dane. The Guinness World Record for the tallest dog ever is held by a Great Dane named Zeus, who was 42.64 inches tall! So as long as your dog is healthy and not suffering from any health problems due to its size, there is no “maximum” size for a Great Dane.

Of course, if you are interested in showing your dog in competitions or entering them into events like weight pulling, there are certain height and weight requirements that they must meet in order to be eligible says Dog Time.

But for the average pet owner, there is no need to worry about whether or not your Great Dane is too big – as long as they are happy and healthy, that’s all that matters.

5 Ways to Ensure Consistent and Healthy Growth of Your Great Dane

The Great Dane is one of the most popular dog breeds in America. They are also one of the largest, with males averaging around 120 pounds and females averaging around 100 pounds. With that size comes a lot of growth potential – both physically and mentally.

As with any breed, it’s important to ensure your Great Dane grows up healthy and strong. Here are five tips for consistent and healthy growth:

Balanced diet

Due to their size and demanding growth, Great Danes require the proper nutrition. So, make sure to feed them a balanced diet. Like all dogs, Great Danes need a diet that is rich in protein, vitamins, and minerals. However, because of their size, they may need more food than other breeds. Be sure to consult with your veterinarian about how much and what type of food is best for your Great Dane.

The average Great Dane eats about three cups of food in a day. This equals about 900 calories. Most of their diet comes from meats and grains, with fruits and vegetables making up only a small portion. While this may seem like a lot of food, it is necessary for the breed’s large size. Great Danes typically weigh between 100 and 200 pounds, so they need the calories to maintain their energy levels.

If you have a Great Dane, it is important to feed them high-quality food that meets their nutritional needs. There are many great dog foods on the market that are specifically designed for large breeds.

Check out some high-quality dog foods on amazon.com.

Daily exercise

Make sure they get enough exercise. A Great Dane needs plenty of room to run and play. Regular exercise will help them grow strong bones and muscles, as well as keep them healthy and fit.

The truth is, every dog is different. Depending on their age, weight, and health, each pup will have unique exercise requirements. However, as a general rule of thumb, most Great Danes need around 30 to 60 minutes of exercise per day.

Of course, this doesn’t mean that you should immediately start running your Dane for an hour every day. You will need to slowly increase the amount of exercise they get and make sure to pay attention to their energy levels and overall health.

In addition to physical exercise, Great Danes need plenty of mental stimulation. This can include training, puzzle toys, and even simple games like fetch. Mental stimulation will help them stay sharp and prevent boredom.

Keep in mind that excessive exercise will overstress the developing bones, joints, and muscles, preventing proper growth and causing short-term or long-term injuries.

Make sure they get enough sleep

The average amount of sleep an adult Great Dane needs is about eight to ten hours per day. However, some adult Danes may need as much as twelve hours of sleep per day. On the other hand, puppies can sleep for up to 18 hours per day. It may seem like a lot, but it is totally necessary.

During these early stages, the most important thing you can provide a calm and comfortable environment for your puppy. The more they can relax and rest, the stronger they will become.

If your Dane seems to be sleeping more than normal, it’s probably nothing to worry about. Most likely, they’re just taking advantage of their natural tendency to lounge around and get a lot of rest.

Give them plenty of love and attention

Great Danes are social creatures who thrive on interaction with their human family. Make sure you spend quality time with your dog every day – playing, cuddling, or just spending time together.

Even though Great Danes are huge, they wouldn’t mind sitting on your lap. In their mind, they have no perception of how big they are. Although they can get quite heavy and all that weight on your lap might be too much, it is totally worth it.

Visit the veterinarian regularly

Visit the vet regularly. Like all dogs, Great Danes need regular vet checkups. This is especially important during their growing years when they are susceptible to a variety of health problems. Make sure you schedule routine appointments and keep your veterinarian informed of any changes in your dog’s health or behavior.

Veterinarians are on hand to assist you and ensure that everything is in order. The veterinarians will check and monitor their growth progress and overall health.

In the end, it makes no difference whether your Great Dane is slightly smaller or larger than average, as long as they are healthy.


Q: How big do Great Danes get?

A: Great Danes are known for their large size. On average, male Great Danes can reach a height of 30-32 inches at the shoulder and weigh between 140-175 pounds. Female Great Danes are slightly smaller, averaging around 28-30 inches in height and weighing between 110-140 pounds.

Q: What factors can influence the growth of a Great Dane?

A: There are several factors that can influence the growth of a Great Dane. Genetics play a significant role, as dogs with larger parents are more likely to be larger themselves. Nutrition is also important, as a balanced diet with proper nutrients and appropriate portions can promote healthy growth. Additionally, exercise and physical activity can help build strong muscles and contribute to overall growth and development.

Q: How should I feed my Great Dane to support healthy growth?

A: Feeding a balanced diet is crucial for supporting the healthy growth of a Great Dane. It is recommended to feed them high-quality, large breed puppy food that is specifically formulated to meet their nutritional needs. The food should have an appropriate balance of proteins, fats, and carbohydrates. It’s important to follow the feeding guidelines provided by the manufacturer and consult with a veterinarian for personalized advice.

Q: Do Great Dane puppies have rapid growth spurts?

A: Yes, Great Dane puppies have rapid growth spurts. During the first few months, their growth is particularly fast. They can gain several pounds per week and increase in height by several inches during this stage. It’s important to provide them with proper nutrition and monitor their growth to ensure they are growing at a healthy pace.

Q: Can I overfeed my Great Dane to make it grow bigger?

A: No, overfeeding a Great Dane will not make it grow bigger. In fact, excessive weight gain can put strain on their developing bones and joints, leading to health problems such as skeletal abnormalities and hip dysplasia. It’s important to provide them with a balanced diet and appropriate portion sizes to support their growth without causing unnecessary stress on their body.

Q: When do Great Danes reach their full height?

A: Great Danes typically reach their full height by around 12-18 months of age. However, it’s important to note that they may continue to fill out and develop muscle until they are around 2-3 years old.

Q: How can I ensure my Great Dane grows up to be healthy?

A: To ensure your Great Dane grows up to be healthy, it’s important to provide them with proper nutrition, regular exercise, and routine veterinary care. Feeding them a balanced diet and avoiding overfeeding is crucial. Engaging in appropriate exercise can help them develop strong muscles and maintain a healthy weight. Regular veterinary check-ups can also catch any potential health issues early on and ensure they receive proper care.

Q: How do I know if my Great Dane is growing at a healthy rate?

A: You can monitor your Great Dane’s growth by tracking their weight and height regularly. A healthy growth rate is typically gradual and steady. If you notice any sudden or extreme changes in their growth, it may be a cause for concern and you should consult with a veterinarian.

Q: Are there any health issues associated with the growth of Great Danes?

A: Yes, Great Danes are prone to certain health issues related to their rapid growth and large size. Some common health problems in Great Danes include hip dysplasia, bloat, heart diseases, and joint problems. It’s important to provide them with proper nutrition, exercise, and regular veterinary care to minimize the risk of these health issues.

Conclusion and final thoughts

In conclusion, Great Danes usually complete their growth process by 18 to 24 months of age.

However, there are a few exceptions and some Great Danes may continue to grow until they reach 3 years old.

Owners should ensure that their dog is eating a balanced diet, engaging in plenty of exercise, and visiting the vet regularly throughout its growth period to ensure it reaches its full potential.

Please take the time and leave a comment below if this article helped you, or you have any additional questions.

Learn more about us.

Affiliate Disclaimer

As an affiliate, we may earn a commission from qualifying purchases. We get commissions for purchases made through links on this website from Amazon and other third parties.

Latest posts

DMCA.com Protection Status