Abstract
It is necessary that local native tree species should be planted in urban area for the increasing bio-diversity of urban natural environment. At the discussing about the promoting the method, we need to grasp the circumstance what tree species are planted in urban area. So we conducted questionnaire survey against the members belonging in Japan landscape constructors association. At the result, we knew the tendency of what tree species had be used in planting constructions. And also, we found some problems which should be solved to promote usage of local native trees in the urban areas.
