Z. marylandica Annual Great garden flower Pure white petals with a hot-rose halo at the center Full bushy plants Annual. AAS award winner!! White w/rose stripe 2" flowers. Single-flowered, they offer pure white petals with a hot-rose halo at the center. And as the summer sun warms them each day, the rosy shade grows deeper and more intense! Mid-height plants are well branched with an equal spread and are heat, drought and disease tolerant. The full, bushy plants are covered with vibrant flowers that make a marvelous statement in gardens and containers.