Press Photo by Tim GilmanGiant hibiscus flowers catch the attention of sisters Tealyn and Tyleigh Boyle who were recently visiting their grandmother Terry Iasiello at her Elm Street home in Bethlehem. The large perennial flowering plants grow in Iasiello ‘s yard. The delicate pink blooms like the summer sun and warmth, but shrivel up and fall off at the end of the summer growing season. Sept. 23