



I'm Mary O., the breeder behind Bluebonnet Cavaliers located in Keller, TX. Our dogs excel in the ring and as beloved companions. We are very proud of their accomplishments and those of their puppies. It is important to us not only that we preserve our own phenomenal bloodlines, but that we are improving this breed with each litter and ensuring the well-being of these dogs for generations more to come!

Why did you start breeding?
What makes your program special?
What are the different breed coat colors in your program?
Where do your breeding dogs live?

These dogs are already reserved or have gone home.

Boy 1
Male

Boy 2
Male
Girl 3
Female
Boy 1
Male
Girl 1
Female
Girl 2
Female
Mary has been certified by Good Dog’s screening team for responsible and trusted breeding practices. When you’re ready to reach out, feel free to ask any questions about the breed, their program, or specific puppies.
Together, you’ll choose the puppy that’s right for you, stay in touch with regular updates, and plan how to bring your new puppy home.

Mary may provide a written contract or health guarantee when you purchase a puppy. This helps protect both you and your breeder, ensuring that you both have a clear understanding of the terms of your puppy purchase. If Mary offers a contract or guarantee, the details will be personalized by them. If you have any questions or want to know more, don’t hesitate to reach out to Mary directly.
You can drive or fly to pick up your puppy from Mary.
Meet in Keller, TX
5133 miles away
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Club memberships
Mary is a member of Cavalier King Charles spaniel club of north texas and Cavalier King Charles Spaniel Club, USA.
Mary has been a member of Good Dog for over 3 years
Mary was screened for responsible practices and has been a member since 2022.
Mary’s links

Bluebonnet Cavaliers meets or exceeds our community standards in these areas:
Cavalier King Charles Spaniel
About Hudson
Hudson is a male Cavalier King Charles Spaniel. Carefully selected as a great representative of his breed, Mary decided to make him part of their program. Mary has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.

Cavalier King Charles Spaniel
About Lily
Lily is a female Cavalier King Charles Spaniel. Carefully selected as a great representative of her breed, Mary decided to make her part of their program. Mary has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Cavalier King Charles Spaniel
About Wendi
Wendi is a female Cavalier King Charles Spaniel. Carefully selected as a great representative of her breed, Mary decided to make her part of their program. Mary has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.

Cavalier King Charles Spaniel
About Snow
Snow is a female Cavalier King Charles Spaniel. Carefully selected as a great representative of her breed, Mary decided to make her part of their program. Mary has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Excellent level
Bluebonnet Cavaliers reports to performing the health tests below on their breeding dogs. Ask your breeder about the tests performed on the parents of your litter. Learn more about health testing for Cavalier King Charles Spaniels.
Hip Dysplasia
Hip testing reduces the chance of passing down hip dysplasia, which is primarily found in large breed dogs and can cause hip pain and the eventual loss of the function of the hip joint.
Eye Certification (CAER, registered with OFA)
Eye testing reduces the chance of passing down a wide range of hereditary eye illnesses including retinal dysplasia, lens luxation, and glaucoma, which can cause impared vision or blindness.
Cardiac Evaluation (registered with OFA)
Heart testing reduces the chance of passing down congenital heart disease, which can cause a range of symptoms ranging from trouble exercising to heart failure.
Patellar Luxation
Knee testing reduces the chance of passing down Patellar Luxation, which results in the kneecap becoming displaced or dislocated and can cause mild to severe joint pain.
Brucellosis
A breeder may perform additional tests on their dogs that do not fall into these general categories. These tests may be more uncommon or very specific to a particular breed.
Episodic Falling Syndrome (EFS), Dry Eye Curly Coat Syndrome (CKSID), DNA Profile, Cavalier King Charles Spaniel Muscular Dystrophy (CKCS-MD), DNA Disease Panel
Genetic testing reduces the chance of passing down a wide variety of hereditary diseases of differing prevalence and severity such as Progressive Retinal Atrophy (an eye disease) and Von Willebrand's Disease (a blood disease).