West Highland Terrier Mix: What to Expect From This Designer Dog
Considering a West Highland Terrier mix? Learn about size, coat, temperament, health risks, and cost for popular Westie designer crosses.
What Is a West Highland Terrier Mix?
A West Highland Terrier mix — sometimes called a designer Westie cross — is the offspring of a West Highland White Terrier paired with another breed. These crosses have gained steady interest as prospective owners look for dogs that blend the Westie's spirited personality with traits from a second breed, whether that's a softer temperament, a different coat type, or a slightly larger frame.
The reality of mixed-breed dogs is that every puppy in a litter can look, behave, and grow differently. One pup might inherit the Westie's wiry white coat and terrier drive; another might take heavily after the other parent in both appearance and attitude. Understanding both parent breeds is the single best way to prepare for what you might bring home.
The West Highland White Terrier Parent: Breed Breakdown
Before evaluating any mix, you need a clear picture of the Westie side. Originating in Scotland in the 19th century, the West Highland White Terrier was bred to hunt foxes, badgers, and vermin across rocky terrain. Colonel Edward Donald Malcolm of Poltalloch is credited with establishing the white coat — legend holds he selected for white after accidentally shooting a reddish-colored dog he mistook for prey.
| Trait | Detail |
|---|---|
| Weight | 15–20 lb (7–9 kg) |
| Height | 10–11 in (25–28 cm) at the shoulder |
| Lifespan | 13–15 years |
| Coat | Double coat — harsh wiry outer, soft dense undercoat; always white |
| Shedding | Low to moderate; requires hand-stripping or clipping every 4–6 weeks |
| Energy | Moderate to high; 45–60 minutes of daily activity |
| Temperament | Alert, confident, friendly but independent; strong prey drive |
| Trainability | Moderate — intelligent but stubborn; responds best to positive reinforcement |
| Barking | High — bred to alert; vocal by nature |
| Common Health Issues | Atopic dermatitis, craniomandibular osteopathy (CMO), luxating patella, copper toxicosis |
Westies are members of the terrier group, which means they bring tenacity, independence, and a powerful instinct to chase small animals into any cross. These traits don't dilute easily — even in a 50/50 mix, terrier tendencies often surface strongly.
Popular West Highland Terrier Mixes and the Other Parent
Several Westie crosses have developed followings. Below is a comparison of the most commonly sought-after pairings, along with what each non-Westie parent brings to the table.
| Cross Name | Other Parent | Other Parent Traits | Typical Mixed Outcome |
|---|---|---|---|
| Westiepoo (Westiedoodle) | Poodle (Toy or Miniature) | Highly intelligent, low-shedding curly coat, 10–15 lb (Toy) or 12–20 lb (Mini) | Compact, wavy-to-curly coat, bright and eager; often lower-shedding but not guaranteed |
| Westie Yorkie Mix (Fourche Terrier) | Yorkshire Terrier | Tiny (4–7 lb), silky long coat, bold and vocal | Very small (8–14 lb), moderate coat length, big personality; strong terrier instincts from both sides |
| Westie Cairn Mix | Cairn Terrier | 13–14 lb, weather-resistant double coat, hardy and inquisitive | Nearly indistinguishable from a purebred Westie in many cases; slightly more rustic coat colors possible |
| Westie Schnauzer Mix | Miniature Schnauzer | 11–20 lb, wiry coat, highly trainable, strong guarding instinct | Sturdy, wiry-coated, alert; tends to be somewhat more biddable than a pure Westie |
| Westie Bichon Mix (Wee-Chon) | Bichon Frise | 12–18 lb, plush curly white coat, cheerful and sociable | Soft, fluffy coat; generally friendlier with strangers than a pure Westie; moderate energy |
Each pairing shifts the outcome in different directions. A Poodle cross may produce a more trainable, lower-shedding dog, while a Cairn Terrier cross essentially doubles down on terrier traits. The Bichon Frise pairing tends to soften the terrier edge, producing a more easygoing companion.
Understanding Generations: F1, F1B, F2, and Multigen
Generation Explainer
- F1 (First Generation): One purebred Westie × one purebred other breed. Maximum genetic diversity; traits are the most unpredictable. Puppies in the same litter can look very different.
- F1B (First Generation Backcross): An F1 mix bred back to one of the parent breeds (most commonly the Poodle in Westiepoo lines). Increases the likelihood of specific traits — for example, a curlier, lower-shedding coat — but reduces genetic diversity slightly.
- F2 (Second Generation): Two F1 mixes bred together. Trait predictability does NOT improve — in fact, F2 litters often show the widest variation as recessive genes from both breeds recombine.
- Multigen (F3 and beyond): Multiple generations of mixed-to-mixed breeding. Over time, a more consistent "type" may emerge, but true uniformity requires many generations of selective breeding — far more than most designer breeders have invested.
Most West Highland Terrier mixes on the market are F1 crosses. Backcrosses (F1B) are primarily seen in Westiepoo lines, where breeders aim for a reliably low-shedding coat. If a breeder advertises "multigen" Westie mixes, ask specifically how many generations of documented breeding are behind that claim — many use the term loosely.
Size, Coat, and Appearance: What to Expect
Because the Westie is a small dog (15–20 lb / 7–9 kg), most mixes will also fall in the small-to-medium range. The exact outcome depends heavily on the other parent's size.
| Cross Type | Weight Range | Height Range | Build |
|---|---|---|---|
| Westie × Toy Poodle | 10–16 lb (4.5–7.3 kg) | 9–12 in (23–30 cm) | Compact, fine-boned |
| Westie × Miniature Poodle | 14–22 lb (6.4–10 kg) | 10–14 in (25–36 cm) | Sturdy small |
| Westie × Yorkshire Terrier | 8–14 lb (3.6–6.4 kg) | 8–11 in (20–28 cm) | Petite, light-framed |
| Westie × Cairn Terrier | 13–20 lb (5.9–9 kg) | 9–12 in (23–30 cm) | Stocky, well-muscled |
| Westie × Miniature Schnauzer | 14–22 lb (6.4–10 kg) | 11–14 in (28–36 cm) | Square, robust |
| Westie × Bichon Frise | 12–18 lb (5.4–8.2 kg) | 9–12 in (23–30 cm) | Rounded, soft-looking |
Coat Type Possibilities
The Westie carries genes for a harsh, wiry double coat. What your mixed-breed puppy inherits depends on which coat genes are dominant:
- Wiry coat (Westie-dominant): Stiff outer hair over a soft undercoat. Requires hand-stripping or regular clipping. Moderate shedding. Common in Westie × Cairn or Westie × Schnauzer crosses.
- Curly/wavy coat (Poodle or Bichon-dominant): Softer texture, tighter curl. Lower shedding but requires brushing 3–4 times per week and professional grooming every 6–8 weeks. Common in Westiepoos and Wee-Chons.
- Silky/long coat (Yorkie-dominant): Fine, straight, floor-length if untrimmed. High-maintenance daily brushing. Minimal shedding but prone to matting.
- Mixed/intermediate coat: A blend — perhaps wavy with some wiry patches. The most common outcome in F1 crosses. Grooming needs fall between the two parent extremes.
Is a West Highland Terrier Mix Hypoallergenic?
No dog is truly hypoallergenic — allergens come from dander, saliva, and urine, not just hair. However, Westie mixes with Poodle or Bichon heritage tend to shed less, which means fewer allergen-laden hairs circulating in your home. An F1 Westiepoo has roughly a 50% chance of inheriting a low-shedding coat. An F1B (backcrossed to Poodle) pushes that probability higher, perhaps 75% or more. But there are no guarantees, and allergy sufferers should spend time with the specific puppy before committing.
Temperament: Predictable Tendencies and Wild Cards
Temperament in mixed breeds is a spectrum, not a fixed point. Here's a realistic breakdown of what you might encounter with a West Highland Terrier mix.
Best-Case Scenario
You get a dog that's alert and playful like the Westie, but with a softer edge inherited from the other parent — perhaps the Poodle's eagerness to please, the Bichon's sociability, or the Schnauzer's trainability. The dog enjoys family activities, tolerates children and other pets with proper socialization, barks when someone comes to the door but settles quickly, and shows moderate energy that's satisfied with a 30–45 minute walk plus playtime.
Challenging Scenario
Terrier instincts dominate. The dog has intense prey drive, chasing cats, squirrels, and anything that moves quickly. Stubbornness makes recall unreliable off-leash. Barking is frequent and difficult to quiet. The dog is wary of strangers and may snap if handled roughly — a particular concern in households with young children. If the other parent also carries strong terrier traits (Yorkie, Cairn), these tendencies can amplify rather than balance.
Key Temperament Variables
| Trait | Westie Tendency | Range in Mixes | What Influences It |
|---|---|---|---|
| Prey Drive | High | Moderate to Very High | Other parent's breed purpose; terrier crosses tend to stay high |
| Friendliness to Strangers | Moderate | Low to High | Bichon/Poodle crosses often friendlier; terrier crosses more reserved |
| Trainability | Moderate (stubborn) | Moderate to High | Poodle/Schnauzer heritage improves biddability |
| Barking Level | High | Moderate to Very High | Most mixes retain strong alert-barking tendencies |
| Tolerance of Children | Moderate | Low to High | Early socialization matters more than breed mix here |
| Separation Anxiety Risk | Moderate | Low to High | Poodle/Bichon crosses may be more velcro-like; terrier crosses often more independent |
Health Considerations: Hybrid Vigor vs. Reality
One of the most persistent myths in designer dog marketing is that mixed breeds automatically enjoy "hybrid vigor" — the idea that crossing two breeds eliminates inherited health problems. The truth is more nuanced.
Hybrid vigor (heterosis) does provide real benefits in some contexts: it can reduce the risk of recessive conditions that require two copies of a faulty gene. If one parent carries a gene for a recessive disease but the other parent does not, the puppies are unlikely to be affected. However, hybrid vigor does not protect against:
- Polygenic conditions — disorders influenced by many genes, like hip dysplasia or atopic dermatitis, which can appear in offspring even if neither parent shows symptoms.
- Conditions shared by both breeds — if both parent breeds are prone to luxating patellas, for example, the mix is still at risk.
- Structural issues — body conformation problems don't disappear with crossbreeding.
Health Conditions to Watch For
| Condition | Prevalence in Westies | Also Common In | What to Watch For |
|---|---|---|---|
| Atopic Dermatitis (Skin Allergies) | High — estimated 25–30% of Westies | Poodles, Bichons, Yorkies | Chronic itching, paw licking, ear infections; onset often between 1–3 years |
| Luxating Patella | Moderate | Poodles, Yorkies, Bichons, Schnauzers | Intermittent skipping or holding up a hind leg; may worsen with age |
| Craniomandibular Osteopathy (CMO) | Low-moderate (Westie-specific) | Cairn Terriers, Scottish Terriers | Jaw swelling, pain when eating, difficulty opening mouth; onset 3–8 months |
| Copper Toxicosis | Low-moderate (Westie-specific) | Bedlington Terriers | Liver enzyme elevation, vomiting, weight loss; often diagnosed via liver biopsy |
| Legg-Calvé-Perthes Disease | Low-moderate | Miniature Poodles, Yorkies, Cairns | Hind limb lameness in puppies 4–12 months old; progressive hip deterioration |
| Dental Disease | High in small breeds generally | All small-breed parents | Tartar buildup, gum inflammation, tooth loss; daily brushing recommended |
| Portosystemic Shunt (PSS) | Low | Yorkies, Miniature Schnauzers | Stunted growth, disorientation after eating, seizures; congenital liver defect |
Always consult your veterinarian about a screening plan tailored to your specific mix. For a Westiepoo, for example, you'd want to monitor for both Westie-origin skin conditions and Poodle-origin issues like progressive retinal atrophy (PRA) and sebaceous adenitis. Ask your vet about baseline bloodwork by age two and annual dental evaluations from puppyhood.
- Patella evaluation (OFA or equivalent) — by 12 months
- Hip evaluation — by 24 months for larger crosses
- Ophthalmologist evaluation — annually from age 2
- Cardiac exam — annually from age 5
- Liver function panel (especially if copper toxicosis is a concern) — baseline at 12 months, then annually
Grooming and Daily Care Requirements
Grooming needs depend entirely on which coat type your dog inherits. Here's a practical breakdown:
Wiry Coat Maintenance
If your mix inherits the Westie's harsh outer coat, plan on:
- Hand-stripping every 6–8 weeks (professional cost: $60–$90 per session) or clipping at home with a #10 or #7 blade.
- Brushing 2–3 times per week with a slicker brush and metal comb to prevent undercoat matting.
- Bathing every 3–4 weeks using a mild, dog-specific shampoo. Avoid human shampoos — the pH is wrong for canine skin and can worsen the allergies Westies are already prone to.
Curly/Wavy Coat Maintenance
Poodle-influenced coats need:
- Brushing 3–4 times per week minimum — daily if the coat is longer. Use a slicker brush followed by a greyhound comb to check for mats at the skin level.
- Professional grooming every 6–8 weeks (cost: $50–$85 per session depending on your area and the cut complexity).
- Ear cleaning weekly — floppy or hairy ears trap moisture and promote yeast infections, a common issue in Poodle mixes.
Universal Care for All Westie Mixes
- Dental brushing: Daily or at minimum 3–4 times per week. Small breeds are disproportionately affected by periodontal disease — the AVMA recommends regular dental care starting in puppyhood.
- Nail trimming: Every 2–3 weeks. Overgrown nails alter foot mechanics and can contribute to joint issues.
- Eye and beard cleaning: Wipe daily with a damp cloth, especially for white-coated dogs prone to tear staining.
Training and Exercise Needs
Westie mixes typically need 30–60 minutes of daily physical activity, adjusted for size and energy level. A Westie × Yorkie mix might be satisfied with 30 minutes of walking plus indoor play, while a Westie × Schnauzer cross may want a full hour of vigorous exercise.
Training Approach
Terrier heritage means your mix is likely intelligent, independent, and easily bored. The most effective training strategy:
- Use positive reinforcement exclusively. High-value treats (freeze-dried liver, small cheese pieces), toy rewards, and enthusiastic praise. Force-free, LIMA (Least Intrusive, Minimally Aversive) methods produce the best long-term results with terrier-type dogs.
- Keep sessions short. 5–10 minutes, 2–3 times per day. Terriers lose interest fast — ending on a success is better than drilling for 30 minutes.
- Prioritize recall training. A reliable recall is the hardest skill for a high-prey-drive dog. Start in a low-distraction environment and progressively increase difficulty. Never allow off-leash time in unsecured areas until recall is bulletproof — and even then, terriers are notorious for ignoring commands when prey appears.
- Socialize early and broadly. Between 8–16 weeks, expose your puppy to diverse people, dogs, sounds, surfaces, and environments. This is the critical socialization window identified by the AVMA, and missing it can lead to lifelong fear or reactivity issues.
Cost: Purchase Price, Ongoing Expenses, and Where to Find One
Puppy Purchase Price
West Highland Terrier mixes are generally less expensive than purebred Westies (which typically run $1,500–$3,500 from a reputable breeder). Here's what to expect:
| Source | Price Range | What's Typically Included |
|---|---|---|
| Reputable small-scale breeder | $800–$2,000 | Health-tested parents (OFA/pennHIP results), first vaccinations, deworming, microchip, health guarantee, take-back clause |
| Backyard breeder / online listing | $400–$900 | Often no health testing, minimal veterinary care, no contract — higher risk of undisclosed health issues |
| Breed-specific rescue | $200–$500 | Spay/neuter, vaccinations, microchip, basic behavioral assessment |
| General shelter / humane society | $50–$300 | Spay/neuter, vaccinations, microchip; breed identification may be approximate |
First-Year Cost Estimate
Beyond the purchase price, budget for these first-year expenses:
- Veterinary care (wellness + puppy vaccine series): $400–$800
- Spay/neuter (if not included): $300–$700
- Grooming (6–8 sessions per year): $300–$700
- Food (premium small-breed kibble or balanced diet): $300–$500/year
- Supplies (crate, bed, leash, harness, toys): $200–$400
- Training classes (puppy + basic obedience): $150–$400
- Pet insurance (optional but recommended): $300–$600/year for accident + illness coverage
Total first-year estimate: $2,500–$5,500 depending on your source, location, and care choices.
Rescue and Adoption
Westie mixes appear in rescues with some regularity, particularly through terrier-specific organizations like Westie Rescue USA or general small-breed rescues. Adopting an adult mix has the advantage of knowing exactly what the dog looks like, how it behaves, and whether it's compatible with children, cats, or other dogs. If you're open to an adult dog, adoption is both cost-effective and life-saving.
Who Is a West Highland Terrier Mix Best Suited For?
Based on the typical trait profile, a Westie mix is a strong fit for:
- Active individuals or couples who want a small but energetic companion for daily walks and weekend adventures.
- Experienced dog owners familiar with terrier independence and comfortable with consistent, patient training.
- Households without small pets — the prey drive in most Westie mixes makes cohabitation with cats, rabbits, or hamsters risky.
- Families with older children (8+) who understand how to interact gently with small dogs. Westie mixes can be snappy if poked, grabbed, or startled.
- Apartments or condos — the small size works well, though barking may require management in close-quarters living.
A Westie mix may be a poor fit for:
- First-time dog owners unprepared for terrier stubbornness.
- Families with toddlers or infants who cannot yet be taught safe dog interaction.
- People who work long hours away from home — many of these crosses develop separation anxiety or destructive boredom behaviors.
- Anyone seeking a truly "low-maintenance" dog — between grooming, exercise, and training, Westie mixes require consistent engagement.
Frequently Asked Questions
What two breeds make up a West Highland Terrier mix?
A West Highland Terrier mix is always one part West Highland White Terrier and one part another breed. The most common pairings are with Poodle (Westiepoo), Yorkshire Terrier (Fourche Terrier), Cairn Terrier, Miniature Schnauzer, or Bichon Frise. The specific cross determines the likely size, coat, and temperament range.
How big will a West Highland Terrier mix get?
Most Westie mixes fall between 8 and 22 lb (3.6–10 kg) and stand 8–14 inches (20–36 cm) at the shoulder. The exact size depends on the other parent breed — a Yorkie cross will be on the smaller end, while a Miniature Schnauzer or Miniature Poodle cross will be larger. Ask the breeder for the weight of both parents for the best estimate.
What will the temperament of a Westie mix be like?
Expect a dog that is alert, spirited, and somewhat independent — terrier traits tend to persist even in crosses. The degree of trainability, friendliness to strangers, and tolerance for children varies based on the other parent breed and, critically, on early socialization and training. Poodle and Bichon crosses tend to be softer and more sociable; terrier-to-terrier crosses tend to be feistier.
Is a West Highland Terrier mix hypoallergenic or low-shedding?
No dog is truly hypoallergenic. Some Westie mixes — particularly those crossed with Poodles or Bichons — may shed less and produce fewer airborne allergens. However, coat inheritance is unpredictable in F1 crosses. If allergies are a concern, spend time with the specific puppy before committing and consider an F1B backcross where low-shedding genetics are more concentrated.
What health issues might a Westie mix inherit?
The most common inherited risks include atopic dermatitis (skin allergies), luxating patella, and dental disease. Westie-specific conditions like craniomandibular osteopathy (CMO) and copper toxicosis are possible, particularly in terrier-to-terrier crosses. Work with your veterinarian to establish a breed-appropriate screening schedule.
How much does a West Highland Terrier mix cost?
From a reputable breeder, expect to pay $800–$2,000 for a Westie mix puppy. Rescue adoption fees range from $50–$500. First-year total costs including veterinary care, grooming, food, and supplies typically fall between $2,500 and $5,500.
Aaron Whyte
All our authors care for dogs every day — read more of their work on the authors page.
