Changzhou Dai Fen Flower Sea usually opens in mid-September and lasts until mid-November. It belongs to perennial warm-season herbs, with green leaves as the bottom when flowering, and spikes of pink and purple flowers grow at the base, which look like red clouds from a distance, giving people a dreamy feeling, as if they were in a fairy tale world, and it is very ornamental. Every year 10 is the flowering period, which will attract a large number of tourists to watch.