Breed Library

Rough Collie

Medium–large; 50–75 lbsModerate12–14 years lifespan

Who this breed is NOT for

People wanting a low-shed, low-vocal dog, or anyone who can't commit to grooming.

Bred to do

A Scottish herding breed (the classic 'Lassie' collie) bred to drive and watch over sheep — intelligent, sensitive, and attuned to their family.

Exercise needs

Moderate — daily walks and play with room to move. Happiest with an activity or job, but not hyper.

Temperament

Gentle, devoted, sensitive, and famously good-natured. Watchful and often vocal; alerts readily.

Trainability

Highly trainable and eager to please — one of the easier working breeds for a regular home.

With kids & pets

An excellent, patient family dog; genuinely good with kids and other pets.

Living situation

Prefers a home with space; adapts to suburban life with exercise. The barking suits a house better than a thin-walled apartment.

Grooming & shedding

Heavy shedder with a long double coat (a smooth-coat variety exists); weekly brushing and seasonal blowouts.

Health & costs

Watch for the MDR1 gene (drug sensitivity — test and tell your vet), eye anomalies (Collie Eye), and hip issues.

Best fit

Families wanting a gentle, trainable, devoted dog who don't mind brushing and some barking.

Free guide

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A note from Kerri

The Lassie dog really is that sweet — sensitive, loyal, wonderful with kids. Two things people forget: the coat sheds like a snowstorm, and the MDR1 drug sensitivity is real, so make sure your vet knows. Beyond that, a lovely family dog.

— Kerri, founder of Floyd's Love

Gear Kerri recommends

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Floyd's Love is educational. Our lessons, breed guides, and personalized assessments are for general information and preparation only — they are not a substitute for professional veterinary care or advice from a qualified veterinarian or animal behaviorist. Always consult your vet for medical concerns and a qualified professional for behavior issues.