Can A Puppy With Floppy Ears Straighten. In fact, this is something most dog breeds share: A basset hound, after all, will never have standing ears even if they are cropped and a basset hound mix with the same leathery ears will have.
Between 4 and 7 months of age, if your puppy is meant to have prick ears, they will usually stick up. Leave the tape on for at least two weeks. How long it takes for a puppy's ears to stand up depends on the breed and the individual dog.