Adaptation of 18 plant species were studied for 5 years (1364-1368) in chaparghoemea of Gonbad Station. Seed of the species were planted on 2meter length lines aparted 70 cm. A completely randomised design with 4 replications was applied for analyses.160 plants of each species were studied. The percent of alive plants in fifth year were counted and compared. Results showed that the species of Agropyron elongatum, Artemisia sieberi and Atriplex canescens established well, and were more vigorus and productive than others.