there are 30 summer and 30 winter wild bushes in this package. bushes have vertex color data for wind animations and material variations. wind modifiers assigned to summer versions. if you dont need wind, just remove modifiers for better performance. no plugin or script needed for wind.
fbx format are also available. fbx format contains vertex color data to assign wind animation in other 3d programs.
summer trees between average 114k polygons winter trees between 127k polygons.