As adorable as pugs are, they are also notoriously stubborn. Due to this, pugs can be resistant to housebreaking, prolonging the process longer than usual.
Dachshunds are stubborn and difficult to potty train. Their stubbornness and smarts make housebreaking difficult.
Because of their intelligence and energy, they may have trouble focusing on potty training unless you provide them with a lot of physical and mental stimulation.
Jack Russell Terriers are smart, energetic, and stubborn, making potty training difficult. They're more likely to ignore your requests to pee outside.
Afghan hound puppies are independent and playful. They crave attention, which can lead to naughty behaviors like using the toilet indoors.
Pomeranians are fast learners and great with training, but they're a high-energy, stubborn breed that needs a schedule and reward system to potty train.
Once they pick up a scent, it's hard to re-engage them in training, making them harder to train than other breeds.
Bichon Frises are known for their independence and prefer to stay inside on rainy days. As a result, they can be difficult to potty train.
As a breed, Basenjis are notoriously headstrong. They have a high IQ, but they can be challenging to train because they are easily distracted.