Hibiscus grandifolius stands 6 - 8 feet tall. The huge 10 inch flowers are light pink with a red center and 5 petals which do not overlap. The flowers open in the late afternoon and are finished by noon the next day. Hibiscus grandifolius is also known as Swamp Rosemallow, a name which indicates the plant’s preference for swamps and marshes. It grows at the edges of ponds or streams in the southeastern United States. The word “mallow comes from the family name “Malvaceae” meaning mucilaginous (sticky) referring to the fibrous stems or roots typical of this family.