Descriptions: 
Perennial herb for annual cultivation, plant height 30-50cm, stem erect. Leaves opposite, strip-type or threadiness. Cyme which have white, pink, red, purple and other colors, path with flower 2-3 cm, Cold resistance avoid heat, joy good fertile and repellency to liquid soil. Low plant, flowers dense, colorful, is important material for flower beds, flower border, and also decorate the lawn edge.