In Melym County, from May to June rare yellow peony flowers blossom. These are wild yellow peonies with a long history. The yellow peony in Tagon Valley, Melym County has bigger blossoms and bigger petals which is a unique breed and only can be found in Melym. This kind of flower prefers the soil with mud and rocks, so it is also called rock flowers. It's also a kind of Tibetan medicine.