Abstract: On the basis of field survey combined with documents investigation,analysis and investigation were conducted on the resources of wild ornamental plants and the salinity and alkali tolerance of these plants in Southeast Shandong coastal area. The author of this paper works out the lists of the wild plants and classification of their salinity and alkali tolerance according to their growth and site conditions.Meanwhile landscaping plants in Southeast Shandong coastal area are selected.The results show that there are 174 species plants belonging to 61 families in Southeast Shandong coastal area,and 83species plants belonging to 37 families has been used in the landscape.There are 8 gymnosperm species belonging to 3 families,75 angiosperm species belonging to 34 families and 91 wild plant species belonging to 31 families,including 47 landscaping plants species which can be popularized.While there are 5 kinds of wild plants used in the landscape,and 4 kinds of plants used for landscaping but rarely used in Southeast Shandong coastal area.There are 2 invasive species and 1 endangered specie.

Key words: coastal area of Southeast Shandong, plants survey, salt tolerance, choice of tree species