The name Acantha is a girl's name of Greek origin meaning "thorn, prickle". Acantha and is often added to lists like Gorgeous Flower Names for Babies and discussed in our forums with posts like "Rotating Sibling Sets".
From the experts:
Acantha is one of the unique baby names in the stylish mythological category that also might count as a flower name. In Greek mythology, Acantha was a nymph beloved by Apollo. An unusual and attractive choice that could make a creative way to honor a grandma Rose.