Abstract: In order to enrich the planting varieties of garden green space such as under the forest, waterfront and forest edge, 30 varieties of Iris were introduced in this paper, and their morphological growth indexes, phenological observation and drought resistance test were comprehensively evaluated.The results showed that 12 Iris varieties with both ornamental and drought resistance were screened, which belonged to 7 color color system, red color system: Kleint and Honglan; white color system: Bianca, Baiyinvshi; blue color system: Blue Harbor, flower calamus, Spotted Brocade; black color system: Black Watch; yellow color system: Memphis Spirit; flower calamus; pink color system: Carnation; polychromatic color system: Siva, Indian Leader.