Primrose is a spring wildflower name with a slightly formal English quality that's been attracting cottage-aesthetic owners for a few years. It's three syllables and quite old-fashioned, more British hedgerow than American dog park, but that's exactly what makes it distinctive among the Bellas and Lunas.
The Hunger Games Echo
Primrose Everdeen, Katniss's younger sister in The Hunger Games, gave this name significant cultural visibility. The character's warmth, gentleness, and ultimately tragic arc made Prim one of the story's most affecting figures. A female pet named Primrose carries that association quietly, especially a gentle and caring one. The name predates the novels by centuries, but the contemporary surge in awareness traces directly to Suzanne Collins.
Botanical Beauty and Breed Fit
The primrose itself (pale yellow, early-blooming, delicate) maps well onto light-colored pets with gentle temperaments. Cavalier King Charles Spaniels and Maltese breeds are obvious fits. A cream-colored cat with soft eyes earns it completely.
The Counter-Reading: Three Syllables Is a Commitment
Primrose is long enough that most owners will shorten it to Prim in daily use. If Prim is what you actually want, it's worth asking whether the full form adds enough to justify the paperwork. Most owners decide it does — the full name is simply more beautiful.