I'm Kathleen P., the breeder behind Winterberry Collies located in Connecticut. My daughter Kia and I are the breeders of Winterberry Collies. Our dogs are health tested, their results can be found on OFA. It is such an honor to preserve the line of these incredible dogs all the while creating companionship for others. This is where amazing temperament, intelligence, and beauty meet!
Q. & A. with Kathleen
Why did you start breeding?
My family has been breeding and showing collies for three generations.
What are the different breed coat types in your program?
Our puppies include smooth and rough coat varieties. Coat types may vary depending on the parent dogs.
Where do your breeding dogs live?
They live in my home.
Getting a puppy from Kathleen
Kathleen 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.
Price
Puppy prices include a $1,930 final payment, before taxes & fees.
“Price includes:
AKC Registration,
Health check by our veterinarian,
Puppy Eye check by a certified canine ophthalmologist,
First round of vaccinations,
Deworming,
Puppy socialization,
Microchip.”
Contract & health guarantee
Kathleen 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 Kathleen 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 Kathleen directly.
Introduced to people of different ages and appearances
Socialized with other animals
Puppy health practices
Vet check
First round of shots and deworming
Vet records
Microchip
Extras
AKC registration
Puppy starter kit
Toys
Blanket with mom & littermates’ scent
Location & pick-up
You can drive or fly to pick up your puppy from Kathleen.
Breeder’s location
Meet in Connecticut
287 miles away
·
Other pick-up locations
Meet at Bradley Airport
321 miles away
·
Meet in Wayne, NJ
214 miles away
·
More about Kathleen
Club memberships
Kathleen is a member of Central Jersey Collie Club, Hartford Springfield Collie Club, Collie Health Foundation, American Working Collie Association , and Collie Club of America.
Certifications & recognitions
AKC Breeder of Merit.
Kathleen has been a member of Good Dog for about 1 year
Kathleen was screened for responsible practices and has been a member since 2024.
Winterberry Collies meets or exceeds our community standards in these areas:
Responsible breeding practices
Health of breeding dogs and puppies
Puppy environment and enrichment
Buyer education and policies
Litter and program updates
Kathleen P.
Program update on 14 Nov. •
These two beautiful girls are from Peyton’s litter this past Summer.
Parent dogs
ZuZu, mom
Collie
About ZuZu
ZuZu is a female Collie. Carefully selected as a great representative of her breed, Kathleen decided to make her part of their program. Kathleen 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.
Addison, mom
Collie
About Addison
Addi is a Champion and has many other titles. Addi is health tested.
Rosie, mom
Collie
About Rosie
Rosie is a female Collie. Carefully selected as a great representative of her breed, Kathleen decided to make her part of their program. Kathleen 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.
Peyton, mom
Collie
About Peyton
Peyton is a female Collie. Carefully selected as a great representative of her breed, Kathleen decided to make her part of their program. Kathleen 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.
Parent health testing
Breeder-Reported Testing
Excellent level
Winterberry Collies 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 Collies.
Eye Examination (rDVM, not 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.
DNA Disease Panel, Dermatomyositis, PRA, Rod-Cone Dysplasia 2 (rcd2), Multiple Drug Sensitivity (MDR1)
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).