Althea (Rose-of-Sharon) Hibiscus syriacus
This special shrub has amazing blossoms that appear in the late summer to the frost. It is a great accent shrub or can be used to create an amazing border. The hardy shrub should be cut back, each winter, to the ground for the best color the next summer. This shrub can develop to 10′ and 5′ wide. Do not plant above 7,500 feet.