30% of french bulldogs are long haired. The coat of a long haired French bulldog tends to be thicker and softer than its short haired counterpart. Since its coat is longer, it does not need to be groomed as often. It is suggested that long haired french bulldogs be groomed once every month or so to keep their coat looking nice.long haired French bulldog also have hair on their foot pads so they have a tendency to track in a lot of dirt. More frequent bathing is recommended.