Exotic ornamental plants belonging to various cultural centers are grown in Van Gardens that goes back to the Urartians. Dahlia Cav. is one of the exotic types brought to be grown in Van. Exotic ornamental plants belonging to various cultural centers in Van Gardens dating back to the Urartians are grown. There were the exotic plants that grow in tradition Van gardens. Dahlia Cav. was one of the exotic plants brought to be grown in Van Gardens. As a result of the experimentations, 3 groups of Dahlia cv. having different morphologic characteristics have been identified in Eminpaşa District. According to the group keys of identified Dahlia cv., it has been identified that the first group consists of the flowers having yellow color and is 10 cm in diameter, the second one has red color and its diameter is under 10 cm, and the last one has a purple color and is under 10 cm in diameter. In Van and its vicinity, Dahlia cv. types which fit the climate, soil and other surrounding conditions have existed up until today. The usage of these types that do not belong to the very nature of Van, that is, not from Van, would be a cultural and biological achievement in reforming the urban identity.