The rose of Sharon (Hibiscus syriacus) is the national flower of South Korea.

 Known as Mugunghwa in Korea, the rose of Sharon produces lovely medium-sized flowers in July that are available in various shades of white, blue, purple, red and pink. 

Some varieties are bi-colored. 

These showy flowers last until the end of the season and grow on a medium-sized shrub that grows in a vase shape. 

It will grow in almost any type of soil, although it prefers moist, nutritious well-drained soil, and can tolerate partial shade.