Bringing an Australian Shepherd puppy home is exciting. You need to know how they grow. This helps them stay healthy. It stops health problems. For example, their bones might not fit right. This is called hip and elbow dysplasia. Some Australian Shepherds get epilepsy. They might have a seizure by age three. Watch your puppy grow carefully. This helps you give them good care.
Key Takeaways
Australian Shepherds grow from small puppies to adult dogs in different steps. They reach full height around one year and full weight by 16 months.
Good food and regular vet visits are very important for healthy growth. Give them special puppy food and check their growth often.
Puppies have key times for learning how to act around others. This is from 6 to 16 weeks old. Let them meet many people and other pets.
Do not let young puppies exercise too much. Their bones are still growing and can get hurt easily. Avoid hard activities like too much running or jumping.
Australian Shepherds become fully grown in their bodies around 15 to 18 months. They act like adults around 2 to 3 years old.
Australian Shepherd Growth Patterns
General Growth Phases
An Australian Shepherd puppy grows a lot. It goes from a small pup to a big dog. This happens in different steps. Growth is not always the same. It changes for each dog. At first, pups need their mom. This is from birth to two weeks. Their eyes and ears open then. By one month, pups use all senses. They play with their siblings. They start eating wet food. They still drink milk from mom. At two months, they leave their mom. They stop drinking milk. They need special puppy food. This time is key for training. It is also key for meeting others. Teething starts around three months. Baby teeth fall out. Adult teeth grow in. This makes them chew more. Keep helping them meet others. This stops them from being shy. From four to six months, training is still vital. Learning to be social is too. Teething usually ends by six months. Puppies have lots of energy. They need brain and body exercise. Keep physical play gentle. This protects their growing joints. From seven to twelve months, they bond with owners. A daily plan becomes normal. Training keeps their brains busy. This is their "teenage" time. They can eat two meals a day. Most Aussies reach full height by one year. They keep getting bigger. They usually reach adult weight by sixteen months.
Factors Affecting Growth
Many things change how an Aussie grows. Food is very important. Give them puppy food. It must have good nutrients. This helps them grow safely. Good food helps an Aussie's health. It affects swelling in the body. It helps their stomach. It boosts their immune system. It gives them energy. It changes how they act. Food that is not processed much is best. It should be right for dogs. For example, puppy food needs protein. It should have 25-30% protein. It needs fat too. It should have 12-16% fat. Eating too much makes them fat. Not eating enough makes them small. Genes also change a dog's size. They affect their health too. Check an Aussie's height and weight. Do this every month. This helps track their growth. If a pup is not average, there's a problem. It could be food or genes. See the vet regularly. Go at six and twelve months. This helps find growth issues. It finds slow or fast growth. Vets help with food choices. They help manage weight and growth.
Male Australian Shepherd Growth Chart
Male Australian Shepherds follow a predictable growth pattern. However, individual dogs can show slight differences. These growth charts help owners understand what to expect. They provide a general guide for weights and heights at different ages.
Puppy Weight and Height
Male Australian Shepherd puppies grow rapidly during their first few months. Their average weight increases steadily. Owners can use a weight chart to track this progress. For example, at three months old, a male puppy typically weighs between 20 and 25 pounds.
| Age | Weight (lb.) |
|---|---|
| 3 mo. | 20-25 |
By six months, male Australian Shepherd puppies reach about half their adult height. They stand around 15 to 17 inches tall at the shoulder. Their weights also increase significantly. At this age, male puppies typically weigh between 40 and 55 pounds.
|
Age |
Weight (lbs) | Height (inches) |
|---|---|---|
| 6 months | 40 – 55 | 17 – 22 |
Adolescent Weight and Height
Growth continues for male Australian Shepherds into their adolescent phase. They gain more muscle and bone density. By 12 months, a male australian shepherd usually weighs between 43 and 60 pounds. They also reach a height of 18 to 23 inches. This period shows them filling out more. Their bodies become more proportionate.
Adult Size Range
Male australian shepherds typically reach their full height around one year of age. However, they continue to gain muscle and fill out until about 16 months. A fully grown male australian shepherd averages 50 to 65 pounds. Some can weigh up to 70 pounds. Data shows the real-life average weights for a typical male australian shepherd range from 45 pounds to 60.8 pounds. By 16 months, many males reach their peak weights of 64 to 65 pounds. These growth charts offer valuable insights into their development.
| Age | Weight (pounds) |
|---|---|
| 12 months/1 year | 60 |
| 16 months | 64 – 65 |
Female Australian Shepherd Growth Chart
Female Australian Shepherds also follow a distinct growth path. Their development involves steady increases in size and weight. These growth charts help owners track their progress. They offer a general guide for weights and heights at different ages.
Puppy Weight and Height
Female Australian Shepherd puppies grow quickly during their first months. Their average weight increases consistently. Owners can use a weight chart to monitor this development. For instance, a three-month-old female puppy typically weighs between 18 and 23 pounds.
| Age | Weight (lb.) |
|---|---|
| 3 mo. | 18-23 |
By six months, female puppies reach about half their adult height. They stand around 16 to 20 inches tall at the shoulder. Their weights also show significant gains. At this age, female puppies typically weigh between 35 and 50 pounds (15.9-22.7 kg).
| Age | Weight (lbs) | Height (inches) ) |
|---|---|---|
| 6 months | 35 – 50 | 16 – 20 |
Adolescent Weight and Height
Female Australian Shepherds continue to mature during adolescence. They develop more muscle and bone density. By 12 months, a female australian shepherd usually weighs between 38 and 50 pounds. They also reach a height of 17 to 21 inches. This period shows them filling out. Their bodies become more proportionate.
Adult Size Range
Female australian shepherds typically reach their full height around one year of age. They continue to gain muscle and fill out until about 16 months. Fully grown females average 40 to 55 pounds. A fully grown australian shepherd generally measures 20–23 inches tall. This height range applies to both males and females. The weight of full-grown australian shepherds can range from 35 pounds for a small female to 65 pounds for a large-boned male. This growth chart provides valuable insights into their development. Owners can use it to ensure their dog grows healthily.
Developmental Milestones

Australian Shepherds grow in many ways. This includes their minds. It also includes their actions. Knowing these steps helps owners. It helps them guide their dog's growth.
Behavioral Development
A puppy's personality grows over months. A new Aussie comes home at 1 to 2 months. This time builds their confidence. Owners should show the puppy many things. This means people, pets, and places. Good experiences are important. Aussies can be shy with strangers. Start basic commands. Use treats and praise. Set up routines for food. Also, for potty training. Crate training helps a lot.
Puppies explore their world at 3 to 4 months. They start teething. Owners should give them chew toys. Their personality shows more. They might test rules. Training must be steady. Owners should keep using basic commands. Introduce leash training. Show them new places. Keep training short. Make it fun.
The "teenage phase" is at 5 to 6 months. Puppies might act rebellious. They will test rules. Training must stay steady. Owners can teach harder commands. Like "heel." Work on coming when called. This is because of their herding past. Plan two or more exercise times daily. This can be walks or fetch. Agility is good too.
At 7 to 8 months, puppies settle down. They become more on their own. They still act like puppies. They might start protecting things. They need to meet many others. These dogs need lots of play. They also need mind games. Running and hiking are good. Interactive games help too. Canine Agility Training Equipment can be used to train its agilityOwners can give them hard tasks. Problem-solving games help. Tricks help too.
Socialization Periods
Puppies have a key time to socialize. This is from 6 to 16 weeks old. It really shapes how they act later. Their brains learn a lot then. They take in experiences. These become normal for them as adults. After 16 weeks, new things might seem scary. They might seem dangerous. Not meeting things early can make adult dogs afraid. They might fear normal things. Or new people.
The key socialization time ends at 16 weeks. What happens then has a big effect. It is stronger than anything later. Good experiences are key. This is for an Aussie puppy's growth. This means meeting many people. Also, other pets. And different places. Without good breeding and experiences, these dogs can protect too much. They might also become afraid. This can lead to angry fear.
Training Windows
Manners training should start right away. This is when the puppy comes home. It means teaching daily good habits. Like not jumping on people. Or staying off furniture. Also, not nipping heels. This sets rules for how they should act. This starts from day one. Real obedience training can begin. This is after the puppy gets its second shots. Puppy classes use rewards. These classes also help them socialize. They help owners bond with their dog.
When is an Australian Shepherd Fully Grown

Knowing when an Australian Shepherd is fully grown helps owners. They can give the right care. This means their body growth. It also means their mind growth.
Physical Maturity
An Australian Shepherd is fully grown. This is usually between 15 and 18 months. They reach their biggest size. They also reach their heaviest weight. Growth mostly stops after 15 months. Some dogs might get a bit bigger. This can happen until they are two years old. They get more muscle. Their bones get stronger. Owners often see their Aussie stop growing taller. This is around 12 months. They then keep gaining weight. They also gain muscle for more months.
Behavioral Maturity
Growing up in behavior takes longer. It takes more time than body growth. They might still act like a puppy. This is true even when they are full size. Most Aussies act like adults. This is around 2 to 3 years old. Their energy might calm down then. Their actions become more steady. Keep training them. Help them meet others. This is important now. It helps them become good adult dogs.
Full Size Indicators
Owners can see signs. These signs show an Aussie is fully grown. They will not get taller. Their weight will stay the same. They will also get bigger. They will gain muscle. Their body will be dense. The Dog Muscle Gain Supplement provides active dogs with energy-rich BCAAs to optimize endurance and performance. Ideal for working breeds, it supports both strenuous activity and recovery.A grown Aussie will look like an adult. Their head will fit their body. Their legs will not look too long. Check their weight often. Check their height often. This shows they are full grown.
Healthy Australian Shepherd Development
Owners help their Aussie grow well. Good care makes strong, happy dogs. This means good food. It means enough exercise. It also means vet visits.
Nutrition Guidelines
Good food helps an Aussie grow. Pick food for growing puppies. It should be for their breed. Find good dog food. It needs nutrients for growth. Canine Multivitamin has things like chondroitin. This helps bones and joints. A balanced diet gives all needed nutrients. This stops problems. It helps them grow best.
Exercise Needs
Exercise is key for an Aussie. It must fit their age. Puppies need short play times. Do this many times a day. They may need many 15-minute walks. Shorter, often exercise is best for young dogs. They get tired fast. Do not make puppies walk too much. This can hurt their hips. Plan walks. Be ready for them to get tired.
Aussie puppies can get too much exercise. Their bones are not fully grown. This lasts until they are over nine months. Hard play can hurt joints and bones. This is a key time for growth.
Puppies have soft growth plates. These are at bone ends. They are soft. They can get hurt. They close around 18 months. Too much force can hurt them. This can cause problems for life. Do not do hard activities like:
- Running too much
- Jumping (on furniture or cars)
- Playing frisbee
These can hurt joints. They can cause breaks. Too much play can hurt joints. Slipping on floors also hurts joints.
Veterinary Care
Vet care is key for good growth. Take your Aussie puppy for check-ups. Vets watch their growth. They give shots. They give food and exercise tips. They find health problems early. This helps your Aussie stay healthy. This is true for all growth stages.
This guide showed how your Australian Shepherd grows. It had charts. It showed important steps. Remember, each Aussie grows in its own way. Watch your dog closely. Always ask your vet for help. Do this for advice. Do this for worries about growth. Raising a healthy Aussie is a great thing. It is good for any owner.
FAQ
How long does an Australian Shepherd take to grow fully?
An Australian Shepherd gets its full height around 12 months. They keep getting bigger. They gain muscle until about 16 to 18 months. This is when their body is fully grown.
What is the average weight for an adult Australian Shepherd?
Adult male Australian Shepherds usually weigh 50-65 pounds. Females typically weigh 40-55 pounds. These are normal weights. Each dog's weight can be different. Owners can look at a growth chart.
How can owners ensure healthy growth for their Australian Shepherd puppy?
Owners help puppies grow well. Give them good food for puppies. Take them to the vet often. Give them the right amount of exercise. Do not let young puppies exercise too much.
Do male and female Australian Shepherds have different growth patterns?
Yes, they grow differently. Male Australian Shepherds usually get bigger. They are also heavier than females. Growth charts show these differences. They show weights and heights at different ages.
What should owners do if their Australian Shepherd's growth seems unusual?
If a puppy's growth looks strange, ask a vet. The vet can check the puppy's growth chart. They can also check its health. They will tell you how to help it grow well.

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