Size of Fully Grown Adult Border Collie & Border Collie Mixes

The Border Collie and its mix-breeds are attractive companions for people living outside urban areas. These loyal, intelligent, and energetic dogs are becoming increasingly popular in households around the USA.

A fully grown Border Collie is medium in size. Males can grow to a height of 19 to 22 inches whereas females can grow to a height of 18 to 21 inches. Their weight ranges from 30 to 55 pounds. 

Female and male Border Collie dogs reach adulthood at different paces. Females stop growing after 24 months (2 years) when they reach adulthood while males reach the adult stage in about 36 months (3 years). 

Border Collie Mix Sizes: Height and Weight

Here are size details of some of the most popular and unique Border Collie mixes that can be found in the USA.

Border Collie Pit (Border Collie American Pitbull Terrier)

Border Collie Pit

Traits from both the American Pitbull Terrier and Border Collie are included in this mixed breed. Border Collie Pit owners use words like Loyal, energetic, & affectionate to describe their dog. They are comical as they use their expressions to show owners how they feel.

They are muscular and very active dogs. Apart from high physical activity needs, this dog is low-maintenance thanks to the Pitbull parent.

This Pitbull mix is most comfortable as a sole pet since he does not mix well with cats and even with other canine siblings. You might have to check local laws to find out if this dog is allowed in the state you live in. 

A Border Collie Pit can grow to a height of 18 to 24 inches while its weight is likely to fall between 40 to 60 pounds.

Border Heeler (Border Collie Blue Heeler Mix)

border heeler

The Border Heeler results from crossing the purebred Border Collie and Blue Heeler (better known as the Australian Cattle Dog).

This energized dog breed will require more than a yard. Depriving him of activity will result in unwanted behavior such as barking and scratching. 

The Border Heeler often makes a great student since he has an amazing learning power. He must be kept busy, mentally, and physically stimulated. You can even let him help you with your chores. 

The coat of the Border Collie and Blue Heeler mix is unique and can even appear blue with or without speckled and mottled patterns. 

Border Heeler can typically grow to a height of 18 to 23 inches and weigh roughly 30 to 45 pounds.

Border Beagle (Border Collie Beagle Mix)

Border beagle

Crossing the Border Collie and Beagle gives the Border Beagle. He is a highly excitable and energetic companion dog. He is a loyal dog who protects his family as well as displays his affection towards them. 

This fun-loving breed will want to keep you smiling and entertained throughout the day. Your children will be safe around this dog breed but he may be wary of strangers. Adequate training and socializing are required for him.

He could also be stubborn, a trait from the Beagle. He is so full of energy that his excessive exercise demands may even tire you! This Beagle Collie mix bears short limbs and a medium-sized firm body structure. 

Border Beagle can reach a height of 15 to 23 inches and weigh roughly 20 to 40 pounds.

Borgi (Border Collie Corgi Mix)

The Border Collie Corgi cross is an appealing designer dog. The main feature of this breed is his short stature and slightly longer body.

Both the pure breed Border Collie and Corgi (Welsh/Cardigan) come from the background of the shepherd dogs. This strong herding instinct is inherited in the Borgi and he may even try to herd children or animals by nipping their feet. This is instinctive and not intentional behavior. 

Early training and socializing are essential to minimize this bad behavior. Training could be tough due to him being a bit obstinate. 

Borgi is a medium-sized dog but will seem smaller due to its short height. His height varies mostly between 13 to 18 inches and his weight ranges between 25 to 30 pounds. Females are typically shorter and weigh less than males. 

Border Pyrenees (Border Collie Great Pyrenees Mix)

Border Collie Great Pyrenees mix

The Border Pyrenees is a large dog since the Great Pyrenees mountain dog is one of the parent. This Pyrenees mix incorporates the watchful alert qualities of both to give an intelligent guardian dog breed. 

Barking tends to be a common feature as this is how he alerts you! He requires a large open space preferably outside urban areas.

It will take a strong experienced owner to train and socialize this daunting dog. He has a high prey drive and hence he should be the sole pet.

As for size, the Border Collie Great Pyrenees mix will have a height of 22 to 32 inches at the shoulder. They will weigh anywhere between 40 to 120 pounds.

Learn more about the Border Collie Great Pyrenees Mix.

Border Jack (Border Collie Jack Russell Terrier Mix)

The Border Jack is often bred as both the parents are quite popular dog breeds. Jack Russell Terrier and Border Collie mix as you can imagine is highly energetic, athletic, and loves sports. His medium-sized body is strong and well-built with muscle.

He will develop an unbreakable bond with his owner. Loyalty, bravery, and playful traits will be common in all dogs of this parentage. 

The Border Jack has an average size and can weigh between 22 and 32 pounds. These dogs can reach a height ranging from 16 to 22 inches.

Borador (Border Collie Labrador Retriever Mix)


Also known as the Border Lab or Border Collie Lab, this breed is a mix of two friendly and out-going dog breeds.

The people-centric attitude of the Lab makes this breed safe for families with children or other pets. Still, some supervision is required to ensure this Collie mix does not start herding the children!

Intelligence, social skills, protective instinct, are a few traits that make this breed a great companion for large families. These happy canines are eager to socialize with humans and show off their athletic skills.

You can expect a full-grown Borador to reach a height of 19 to 24 inches and weigh 40 to 64 pounds.  

Border Point (Border Collie Pointer Mix)

The Border Point is a mix of two working dog breeds. You will find these dogs to be energetic and eager to be let out into the yard. Because of this high-energy drive, they would not do well in apartments or even houses with small backyards. 

Due to the hunting and herding background of the Border Collie and the Pointer, this breed might be prone to high-prey drive.

Hence, they are not the best pairing for households with smaller animals. Adequate training and socializing are required to make this dog child-friendly.

This Border mix falls in the medium to large size category. They can reach a height of 23 to 27 inches. Their weight ranges from anywhere between 35 and 65 pounds. Males and females have almost the same size.

Borderdoodle (Border Collie Poodle Mix)


The Border Collie and Poodle are among the most loved pure dog breeds in the USA. It makes sense to make a cross breed Border Collie mix. Social and friendly enough for families, the Bordoodle is a common Poodle crossbreed throughout the country.

Combining the active element of the Collie with the attractive Poodle, a low maintenance and friendly dog is derived. These intelligent canines are close to being non-shedding, a benefit of the Poodle parent.

Coming to size, these dogs are medium-sized dogs. Mostly weighing 30 to 60 pounds, they stand at a height of 12 to 22 inches.

Leaning towards getting a Borderdoodle? Check Borderdoodle Size and Temperament. 

Border Sheepdog (Border Collie Shetland Sheepdog Mix)

Both the Border Collie and the Shetland sheepdog are known to be highly active and athletic.

Hence, a yard is required to keep this “hyperactive” designer dog breed satisfied and healthy. They prefer active sessions with their owner rather than cuddling on the couch.

The Border Sheepdog will guard well and bark as danger approaches. This intelligent breed is easy to train and eager to please his owner. Constant and regular training is required else bad habits may arise.

Looking at both parents, you can expect him to be a medium-sized dog. They can weigh between 25 to 45 pounds. Height ranges from 16 to 22 inches at the shoulder.

Border Terrier (Border Collie Terrier Mix)

border terrier

Also called the Collie Terrier, he is a medium-sized dog that is incredibly smart and can even be called an independent thinker.

It has a fusion of working traits from the Border and active traits from the Terrier. Together, you will need to provide both physical and mental exercises to keep him occupied.

The Border Terrier is easy to train. He can develop a desire to herd the pack or chase smaller pets! We suggest avoiding this dog if you have small children or other smaller pets. This loyal dog is suitable for single individuals and older couples with no kids at home.

Border Terrier size can vary depending on many factors including health and genes. Generally, they weigh 25 to 45 pounds. Their height can vary from 17 to 23 inches at the shoulder. 

Read more about border terrier.

Gollie (Border Collie Golden Retriever Mix)

The Border Collie and Golden Retriever mix is also called the Gollie or the Golden Collie. Having a naturally happy persona, they are keen on spending time with the family. The Gollie is happy to have a place among an active household. 

People who love outdoor adventures will appreciate the presence of this sporty and inquisitive dog. This medium-sized dog is a companion dog that will even greet strangers with a smile and wagging tail.

These easy-going dogs have two requirements to keep them happy, exercise and affection from their owners.

The Gollie is a medium-sized dog breed. They can reach up to a height of 22 to 26 inches and weigh between 50 and 75 pounds.

Shollie (Border Collie German Shepherd Mix)

Both the German Shepherd and Border Collie have an attractive appearance and remarkable personality traits that accompany them.

Shollie is an intelligent dog that is agile, an all-rounded companion, and a protective dog. This dog has high exercise requirements and you should be ready to dedicate an hour of your time to his exercise.

The Shollie is good with kids but younger children will require an adult to assure no accidents occur.

They are large dogs who can reach a height of up to 22 to 27 inches and weigh 70 to 80 pounds!

Will the Border Collie or his mix be the right dog breed for me?

For people who believe that exercise and physical activity are the ways to start the day and end the day, the Border Collie will seamlessly fit into your lifestyle.

People who are not very active and do not have access to a large yard should not adopt this breed or other Border Collie mixes. 

Border Collie dogs are intelligent and independent dogs. They are quick to learn new things but could prove to be a tough student at times. Even with positive training and tasty treats to support the process, success is not guaranteed.

The Collie is naturally a herding breed that will attempt to herd smaller animals in the house. The absence of animals will make him herd any children around. There is a limit as to how much of this instinct can be trained out of him. 

Border Collie Pro’s and Con’s

The Border Collie originates from a working line of herding dogs. He has since then, developed into a companion with some exceptions. Prospective owners can read on to find out what his strengths and weaknesses are. 


  • Affectionate and intelligent
  • Alert and good at protecting 
  • Medium size
  • Companion dog and guard dog


  • High exercise requirements
  • Do not prefer cuddling! 
  • Strong herding tendency 
  • Border Collie Shed so are not suitable for dog allergic folks