Abstract: Fifteen cuhivars of central plains tree peony were taken for observation test in Baotou area for two years, to investigate their survival rate and phenological period, and also their growth situation, fancy points, flower color and florescence were recorded.Gray-correlation analysis were used to evaluate their adaptability and ornamental.Seven cultivars including ＇Yaohuang＇,＇Weizi＇,＇Zhaofen＇,＇Da huhong＇,＇Yu huangyi＇,＇Shi bahao＇and＇Kunshan yeguang＇ were selected to be suitable for openfieldculture;＇Erqiao＇,＇Jin huanglun＇,＇Shou anhong＇ and ＇Mo sajin ＇ could be grown by installation cultivation.The other cultivars, ＇Luo yanghong＇, ＇Zhuang yuanhong＇, ＇Luo hanhong＇ and ＇Yan hong＇ were not suitable for openfieldculture.This research were not only successfully selected the cultivars of central plains tree peony in Baotou,but also can be used as the reference for introduction of tree peony in this area.