Lord Howe Island Iris is a rare and exotic species known as Dietes robinsoniana, featuring long, arching green leaves and large, fragrant white flowers with yellow and mauve markings that bloom in spring and summer. It can grow up to 1.5m tall, making it a stunning feature plant for shaded or semi-shaded garden areas. This iris thrives in well-drained soil and is an excellent choice for adding a tropical touch to coastal and subtropical gardens.