The City of Washington Ordinance 52.01 Weeds and Grass Control states the maximum height of grass and/or weeds, such as jimson, burdock, ragweed, thistle, cocklebur, or other plants of like kind, shall be no greater than eight inches in developed residential, commercial and industrial zoned districts, twelve inches in un-platted districts other than agricultural districts. The provisions of this chapter apply to all noxious weeds, as defined by The State of Iowa Department of Agriculture, and all grass, weeds, non-ornamental brush, vines, and other dense and rank growth upon public or private property. The property owner and occupant are jointly and severally responsible for mowing the abutting space between the lot line and the curb line or edge of the traveled portion of the street right-of-way and one-half of any alley abutting the property.