The Hibiscus syriacus also know as Rose of Sharon is the National Flower of South Korea. It is called Mugunghwa in Korean. The name comes from Mugung which means immortality. The flower is also the National Emblem of South Korea that appears on many official documents.
Every year from July to October the Mugunghwa blossoms in Korea and you can see it everywhere. Koreans have a strong love for this flower and a reference is written into the national anthem of South Korea. The flower was first referenced in text in Korea over 1,400 years ago.