When researching Labradoodles, you quickly encounter a confusing alphabet soup: F1, F1B, F2, F2B, multigen. Breeders use these terms constantly, but they're rarely explained clearly — and they matter enormously for what your actual dog will be like.
This guide explains the generation system, what each designation means for coat type and shedding, and which generation is most likely to be the right fit for your family.
The Basics: What Does F1 Mean?
The "F" stands for "filial" — a genetics term for hybrid generations. The number indicates how many generations removed from the original purebred cross.
F1 Labradoodle = First-generation cross. One Labrador Retriever parent + one Poodle parent. Exactly 50% Lab, 50% Poodle genetically.
F1B Labradoodle = F1 Labradoodle bred back to a Poodle. The "B" stands for "backcross." Genetically approximately 75% Poodle, 25% Labrador.
F2 Labradoodle = Two F1 Labradoodles bred together. Still 50/50 on average, but with significantly more genetic variability than F1.
F2B = F1 Labradoodle crossed with an F1B. Approximately 62.5% Poodle.
Multigen (Multigenerational) = Third generation or beyond. Both parents are Labradoodles (or a Labradoodle and a purebred Poodle). The most consistent and predictable generation, approaching what some breeders call an "Australian Labradoodle."
The Coat Question: The Most Practical Difference
The generation you choose affects coat type more than almost any other variable. Here's what to expect:
F1 Coat:
- The most variable generation. Littermates can have dramatically different coats.
- Most common result: wavy (fleece) coat
- Roughly 50% may have a wavy coat, 30% curly, 20% more straight
- Moderate shedding — usually significantly less than a Lab but more than a Poodle
- Good, but inconsistent, allergy-friendliness
F1B Coat:
- More consistent than F1, due to higher Poodle genetics
- Usually wavy to curly coat
- Very low shedding — often described as non-shedding
- Better for allergy sufferers due to reduced dander
- Higher-maintenance grooming needs (more Poodle coat = more matting risk)
F2 Coat:
- Highly variable — even more unpredictable than F1
- Not recommended if coat type or shedding is a priority
Multigen Coat:
- Most consistent and predictable
- Usually wavy to curly
- Bred for specific coat qualities by experienced breeders
- Low to non-shedding
- The "true" Labradoodle experience many people picture when they imagine the breed
Hypoallergenic Claims: The Truth
No dog is truly hypoallergenic — the allergen responsible for most dog allergies is a protein (Can f 1) found in saliva, skin cells, and urine, not just fur. However, dogs who shed less distribute less allergen into the environment, which means many allergy sufferers tolerate low-shedding breeds better.
F1B, F2B, and multigen Labradoodles shed the least and therefore tend to be most tolerated by allergy sufferers. But there's no guarantee — individual dogs vary, and individual allergy sufferers vary. If allergies are a serious concern:
- Spend time with an adult dog of the same generation before committing
- Consider an F1B or multigen from a breeder who can show you the parents' coats
- Visit the breeder's home to test your reaction to the environment
- Understand that puppies shed less than adults and a child's response to a puppy may not predict their response to the adult dog
Temperament: Does Generation Matter?
Less than most people think — temperament is primarily influenced by individual genetics, breeding selection, early socialization, and training, not by generation. However, some broad tendencies:
F1: Often described as having the most "Labrador" personality — energetic, food-motivated, outgoing, physically boisterous. Great for active families.
F1B and higher Poodle generations: Can carry more Poodle sensitivity — may be more reserved with strangers initially, more attuned to owner emotions, sometimes more anxious. Excellent for families who want a dog that bonds deeply and responds to subtle communication.
Multigen: The most consistent temperament, because breeders specifically select for it. Multigen breeders can provide health testing, temperament assessments, and generational records that create the most predictable outcome.
Size Variation: Standard, Medium, or Mini?
Labradoodles come in three common size ranges:
Standard (most common): 50–65+ pounds, 21–24 inches at shoulder. Requires the most space, exercise, and grooming maintenance, but also the most presence and connection.
Medium: 30–50 pounds. The sweet spot for many families — enough size to be a real dog without the full demands of a standard.
Miniature: 15–30 pounds. Created by using a Miniature Poodle parent. Easier to manage but can have higher energy relative to body size and sometimes more Poodle-typical anxiety tendencies.
Which Generation Is Right for You?
Choose F1 if: You want the most "natural" Lab-Poodle hybrid. You don't have significant allergies. You're comfortable with coat unpredictability. You enjoy the slightly more rugged, Lab-forward personality.
Choose F1B if: Low shedding is a priority. You or a family member has mild dog allergies. You want a more Poodle-forward coat and temperament. You're prepared for higher grooming maintenance.
Choose Multigen if: Consistency and predictability are your priorities. You want the most carefully health-tested, temperament-selected option. You're willing to pay more and wait longer for the right breeder. You want the most "classic" Labradoodle experience.
A Note on Breeders
Generation matters far less than breeder quality. A reputable breeder does:
- OFA hip and elbow certifications on both parents
- CAER eye exams
- DNA health panel (PRA, Exercise-Induced Collapse, etc.)
- Provides a multi-year health guarantee
- Raises puppies in a home environment with socialization
- Allows — and encourages — you to meet the parents
Avoid breeders who can't provide health testing, sell on pet store websites, have puppies always available immediately, or who primarily discuss coat color. The Labradoodle's predisposition to hip dysplasia and eye disease makes health testing non-negotiable.
The right generation from the wrong breeder is still the wrong choice. The right breeder producing the right temperament and health is what you're really looking for — generation is just the framework.