What's the name of pink reed flower?

the powder is mixed with weeds. Pink reed flower is called Powdery Miscanthus, which belongs to the perennial herb of Powdery Miscanthus in Gramineae. The flowering period is usually from mid-September to mid-November, and the flower spike is very special. It will grow pink purple flower spike from the base of grass leaves, which looks like red clouds from a distance, and has high ornamental value. Plants have strong adaptability and can grow in sandy soil, loam and clay.