Story behide the Blue Rose also known as "Blue Moon's" on Elvis's Grave. Many people were always asking who left the Blue Roses,, so in December 2023 the secret was made public .. A Fan named Mary Debacco Hertweck was the person placing the flowers,, she commented on a post telling her story behide the flowers.. Mary lived in Pittsburgh when she started placing the flowers,,, she visited Graceland one to two times a month.. She always placed the Blue Roses on Elvis's grave & always placed the fl