151.01   DEFINITIONS. 
   For use in this chapter, the following terms are defined:
      1.   “Offensive vegetation” includes all noxious weeds as defined in Chapter 317 of the Code of Iowa and all other weeds which are not otherwise included in the definition contained in Chapter 317 but which are commonly held to be offensive to sight or smell.  The term further includes all grasses not otherwise offensive which have reached a height of twelve inches or more, unless otherwise excluded by the following provisions of this subsection.  The term further includes all dead trees on public or private property.  Offensive vegetation does not include shrubbery, trees, flowers and other vegetation designed for aesthetic landscaping purposes, nor does the term include garden vegetables customarily grown for home use in a garden, provided the garden is regularly maintained and otherwise free from the type of offensive vegetation that this section seeks to eliminate.
      2.   “Parking” means that part of the street, avenue or highway in the City not covered by sidewalk and lying between the lot line and the curb line; or, on unpaved streets, that part of the street, avenue or highway lying between the lot line and that portion of the street usually traveled by vehicular traffic.