Iris Garden lies in the northwest of Botanical Garden, covering 1.5 hectares. The construction in Iris Garden all adopt wooden structure, It collects more than ten varieties of Iris, such as Lensata var. hortensis Makino et hemoto, I.kaempferi sieb, I.pseudocor us L, I.sanguinea Donn, I.japonica L, I.germanica L, Belamcanda chinensis DC.
The garden plants have different flower colors, such as white, yellow, blue, purple. They’re in blossom from June to July. They can not only be good material in garden afforestation, but also be used as upper plants.