English Bulldog Mix Boston Terrier: The Bullboodle Breed Guide
Everything about the English Bulldog mix Boston Terrier (Bullboodle): size, temperament, health risks, cost.
What Is an English Bulldog Mix Boston Terrier?
The English Bulldog mix Boston Terrier — sometimes called a Bullboodle, Bulldog Boston Mix, or simply a Bull-Terrier cross — is a designer mixed breed that pairs the stocky, low-slung English Bulldog with the compact, tuxedo-coated Boston Terrier. Both parent breeds belong to the non-sporting or companion group, share brachycephalic (short-muzzled) skull structures, and trace partial ancestry to the now-extinct Old English Bulldog. That overlap means this mix tends to produce dogs in the 25–50 lb range with a muscular build, a short coat, and a personality that leans affectionate and stubborn in equal measure.
Because this is a mixed breed rather than a standardized breed recognized by the American Kennel Club, individual puppies can look and behave quite differently from one another — even within the same litter. This guide breaks down what you can reasonably expect, what's a genetic gamble, and how to decide whether this cross is the right fit for your household.
Parent Breed Breakdown: English Bulldog vs. Boston Terrier
Before predicting what a mixed puppy might become, it helps to understand the raw material. Here is a side-by-side comparison of the two parent breeds based on AKC breed standards and veterinary reference data.
| Trait | English Bulldog | Boston Terrier |
|---|---|---|
| Weight | 40–50 lb (18–23 kg) | 12–25 lb (5–11 kg) |
| Height | 14–15 in (36–38 cm) | 15–17 in (38–43 cm) |
| Lifespan | 8–10 years | 11–13 years |
| Coat | Short, smooth, fine | Short, smooth, fine |
| Energy Level | Low to moderate | Moderate to high |
| Trainability | Moderate (stubborn streak) | Moderate to high |
| Shedding | Moderate, seasonal | Low to moderate |
| AKC Group | Non-Sporting | Non-Sporting |
| Brachycephalic | Yes (severe) | Yes (moderate) |
The English Bulldog brings mass, a calmer baseline energy, and a more extreme brachycephalic structure. The Boston Terrier contributes a lighter frame, higher energy bursts, and a slightly longer muzzle. A first-generation cross typically lands somewhere between these two extremes — but "somewhere between" covers a lot of ground.
Generation Types: F1, F1B, and Multigen Crosses
Generation Explainer
- F1 (First Generation): One purebred English Bulldog parent × one purebred Boston Terrier parent. Maximum genetic diversity; widest trait variation among puppies.
- F1B (Backcross): An F1 Bullboodle × one of the parent breeds (usually the Boston Terrier for smaller size). Slightly more predictable traits leaning toward the backcross parent.
- F2: Two F1 Bullboodles bred together. Trait predictability does not improve — you may see puppies that strongly resemble one grandparent breed.
- Multigen (F3+): Multiple generations of Bullboodle-to-Bullboodle breeding. Still not a standardized breed; trait consistency improves only marginally without a formal breed standard and closed gene pool.
Most English Bulldog mix Boston Terrier puppies you'll find are F1 crosses, because the size difference between the two parent breeds makes multi-generation breeding logistically difficult. A 50 lb Bulldog dam carrying puppies sired by a 15 lb Boston Terrier presents whelping complications, so responsible breeders typically use artificial insemination and may select the larger breed as the dam. This practical constraint is one reason the mix remains relatively uncommon compared to doodle-type crosses.
Size, Coat, and Physical Traits: What to Expect
Size is one of the most variable aspects of this cross. Because the parent breeds differ by roughly 25 lb, predicting adult weight requires looking at ranges rather than single numbers.
| Generation | Weight Range | Height Range |
|---|---|---|
| F1 (typical) | 25–45 lb (11–20 kg) | 14–17 in (36–43 cm) |
| F1B to Boston Terrier | 18–30 lb (8–14 kg) | 13–16 in (33–41 cm) |
| F1B to English Bulldog | 35–50 lb (16–23 kg) | 14–17 in (36–43 cm) |
Coat: Both parents carry short, smooth, single-layer coats, so you can expect a short coat regardless of which parent the puppy favors. Common colors include brindle, white, fawn, black-and-white (tuxedo pattern), and seal. Shedding is typically low to moderate — not enough to call the breed "hypoallergenic," but manageable with weekly brushing.
Is This Mix Hypoallergenic or Low-Shedding?
No. Neither parent breed is hypoallergenic. Both shed, and both produce normal levels of dander. If you have dog allergies, this cross will not reduce your symptoms. For genuinely low-allergen options, look toward Poodle-based crosses — and even those are not guaranteed allergy-safe.
Temperament Range: Best Case and Challenging Scenarios
Temperament in mixed breeds exists on a spectrum. Below is a framework for understanding where your English Bulldog mix Boston Terrier might land.
| Trait | Leans Bulldog | Balanced Mix | Leans Boston Terrier |
|---|---|---|---|
| Energy | Low — short walks, long naps | Moderate — 30–45 min daily activity | High — needs play sessions and mental stimulation |
| Sociability | Calm with strangers, aloof at first | Friendly once introduced | Outgoing, eager to greet everyone |
| Stubbornness | High — may ignore commands | Moderate | Lower — more biddable, food-motivated |
| Separation Anxiety Risk | Moderate | Moderate to high | High — Velcro-dog tendencies |
| Dog-to-Dog Friendliness | Variable — same-sex aggression possible | Generally good with early socialization | Usually friendly, may be feisty with larger dogs |
Best-case scenario: You get a moderately energetic, people-oriented companion who enjoys two short walks a day, plays fetch in the yard, and settles on the couch by evening. They greet guests warmly and respond to positive-reinforcement training with food motivation.
Challenging scenario: The puppy inherits the Bulldog's stubbornness combined with the Boston Terrier's high alertness, resulting in a dog that barks at every sound, refuses to come when called, and develops separation anxiety if left alone for more than a few hours. This outcome is manageable with a certified force-free trainer and consistent counter-conditioning work, but it requires an owner prepared to invest time and patience.
Health Considerations: Hybrid Vigor Myth vs. Reality
One of the most persistent claims about designer dogs is that crossbreeding automatically produces healthier puppies through hybrid vigor (heterosis). The reality is more nuanced. Crossbreeding can reduce the risk of recessive conditions that are concentrated within a single breed's gene pool. However, it does not eliminate conditions that both parent breeds share — and in this mix, both parents share several significant health risks.
Conditions Both Parent Breeds Share
- Brachycephalic Obstructive Airway Syndrome (BOAS): Elongated soft palate, stenotic nares (narrow nostrils), and hypoplastic trachea are prevalent in both breeds. The Merck Veterinary Manual notes that BOAS severity varies, but any degree of brachycephaly increases heatstroke risk and may require surgical correction.
- Patellar Luxation: Kneecap dislocation is common in both Bulldogs and Boston Terriers. Grades I–II may be managed conservatively; Grades III–IV often require surgical stabilization ($1,500–$3,500 per knee).
- Allergic Skin Disease: Both breeds rank high for atopic dermatitis and food sensitivities. Expect potential lifelong management with medicated shampoos, Apoquel or Cytopoint injections ($50–$150/month), and limited-ingredient diets.
- Eye Conditions: Cherry eye, corneal ulcers, and cataracts appear in both breeds. The prominent eyes of this mix are vulnerable to injury — budget for potential veterinary ophthalmology visits.
Breed-Specific Conditions to Watch
| Condition | From English Bulldog | From Boston Terrier |
|---|---|---|
| Hip Dysplasia | High prevalence (~30% OFA-rated Bulldogs) | Lower prevalence |
| Intervertebral Disc Disease (IVDD) | Moderate risk (hemivertebrae in Bulldogs) | Moderate risk (hemivertebrae documented) |
| Deafness | Low | Higher in predominantly white coats |
| Heart Disease (mitral valve) | Moderate | Moderate |
| Cancer Risk | Mast cell tumors, lymphoma | Mast cell tumors, brain tumors (brachycephalic predisposition) |
| Breeding Difficulty | Cesarean section required in >80% of litters | Higher-than-average C-section rate |
Realistic lifespan estimate: 10–13 years if the mix inherits the Boston Terrier's longevity and avoids severe BOAS. Dogs with significant airway compromise or hip dysplasia may see reduced quality of life earlier. Always ask breeders for Orthopedic Foundation for Animals (OFA) or PennHIP clearances on both parent dogs.
Grooming, Exercise, and Daily Care
Grooming Needs
The short coat inherited from both parents is low-maintenance but not no-maintenance. A weekly brush with a rubber curry comb or bristle brush removes loose hair and distributes skin oils. Pay particular attention to:
- Facial wrinkles (if inherited from the Bulldog side): Clean daily with a damp cloth or veterinary-recommended wrinkle wipe to prevent yeast and bacterial infections. Moisturized wrinkles breed infection — dry thoroughly after each cleaning.
- Ears: Both breeds have erect or semi-erect ears. Check weekly for debris and odor; clean with a veterinary ear solution as needed.
- Nails: Trim every 2–4 weeks. Overgrown nails alter gait and worsen patellar luxation symptoms.
- Dental: Brachycephalic dogs often have crowded, rotated teeth that trap plaque. Daily brushing with enzymatic dog toothpaste is ideal; at minimum, schedule annual veterinary dental cleanings ($300–$800 depending on extractions needed).
Exercise Requirements
Plan for 30–45 minutes of daily activity, split into two sessions. Because of the brachycephalic airway, avoid:
- Exercise in temperatures above 80°F (27°C) or high humidity
- Prolonged fetch sessions without rest breaks
- Swimming without a canine life jacket — the front-heavy build makes natural swimming difficult and dangerous
Short leash walks, indoor puzzle toys, and brief training sessions provide both physical and mental stimulation. A snuffle mat or Kong frozen with peanut butter can occupy a Bullboodle for 20–30 minutes on hot days when outdoor exercise isn't safe.
Cost and Availability: What You'll Spend
| Expense Category | Low Range | Mid Range | High Range |
|---|---|---|---|
| Puppy purchase (breeder) | $800 | $1,500 | $3,000+ |
| Adoption fee (rescue) | $200 | $400 | $600 |
| First-year veterinary care | $600 | $1,200 | $2,500+ |
| BOAS surgery (if needed) | $1,500 | $3,000 | $5,500 |
| Annual ongoing care | $1,200 | $2,000 | $3,500 |
| Pet insurance (monthly) | $40 | $70 | $120 |
Breeder availability: This is a relatively uncommon designer cross. You're more likely to find F1 puppies from small-scale hobby breeders than from high-volume operations. Expect waitlists of 2–6 months from responsible breeders who health-test both parents. Red flags: breeders who cannot provide OFA/PennHIP results, who always have puppies available, or who price below $800 (suggesting minimal health screening).
Rescue availability: Bulldog and Boston Terrier breed rescues occasionally take in mixed-breed dogs. Check ASPCA's shelter search, Petfinder, and breed-specific rescues like Bulldog Rescue Network or Boston Terrier Rescue. Mixed-breed adults from rescues offer the advantage of known temperament and health history — you can see exactly what you're getting.
Who This Mix Suits Best
✓ Great Fit For
- Apartment dwellers (moderate energy, low barking tendency if Boston-alertness isn't dominant)
- Families with children ages 8+ (sturdy enough for gentle play, but supervision needed)
- Owners home most of the day (separation anxiety risk)
- First-time owners willing to invest in puppy socialization classes
- Warm-climate households with air conditioning (indoor exercise options essential)
✗ Poor Fit For
- Highly active owners wanting a running or hiking companion
- Households away 8+ hours daily without a dog walker or daycare
- Hot/humid climates without reliable AC (heatstroke risk is real)
- Budget-constrained owners (brachycephalic breeds carry higher lifetime vet costs)
- Homes with very young toddlers (the dog may be knocked over or stepped on; Bulldogs can be resource-guarding)
Frequently Asked Questions
What two breeds make up this mix?
The English Bulldog (a stocky, low-energy companion breed averaging 40–50 lb) and the Boston Terrier (a compact, lively companion breed averaging 12–25 lb). Both belong to the AKC Non-Sporting Group and share brachycephalic skull structure.
How big will an English Bulldog mix Boston Terrier get?
Most F1 adults weigh between 25 and 45 lb (11–20 kg) and stand 14–17 inches (36–43 cm) at the shoulder. Backcrosses to the Boston Terrier tend toward the smaller end; backcrosses to the Bulldog trend larger. Ask the breeder for the exact weights of both parent dogs for a better estimate.
What will the temperament be like?
Expect an affectionate, people-oriented dog with moderate energy and a stubborn streak. Early socialization (before 16 weeks) and positive-reinforcement training are essential. Individual temperament varies widely — meeting the parent dogs (or at least the dam) gives you the best preview.
What health issues might this mix inherit?
BOAS (breathing difficulties), patellar luxation (kneecap issues), allergic skin disease, eye conditions (cherry eye, corneal ulcers), and hip dysplasia are the primary concerns. Request OFA health clearances from the breeder for both parents. Pet insurance is strongly recommended given the breed-specific surgical costs.
How much does an English Bulldog mix Boston Terrier cost?
Puppies from health-testing breeders typically range from $800 to $3,000. Adoption fees from rescues run $200–$600. Factor in $1,200–$3,500 annually for routine care, with potential BOAS surgery costs of $1,500–$5,500 if airway correction is needed.
Can this mix live in an apartment?
Yes — the moderate exercise needs and generally quiet disposition (unless the Boston Terrier alertness is dominant) make this cross apartment-compatible. The main constraint is climate control: you must maintain indoor temperatures below 75°F (24°C) in warm weather to prevent respiratory distress.
Are English Bulldog mixes good with other dogs?
Generally yes, with proper socialization during the critical 3–14 week window. Bulldogs can show same-sex aggression, so introducing a puppy to a household with an existing same-sex dog requires careful management. Puppy playgroups and force-free socialization classes build positive associations.
Jonas Cole
All our authors care for dogs every day — read more of their work on the authors page.
