Call Metro Codes. This is the law.

10.26.010 High weeds and debris.permanent link to this piece of content

A.

All premises and exterior property shall be maintained free from weeds in excess of twelve inches so as not to endanger the health, safety, and welfare of the citizens of the metropolitan government. "Weeds" shall be defined as all grasses, annual plants and vegetation, other than ornamental grasses, trees or shrubs; provided, however, this term shall not include cultivated flowers and gardens. Properties in a natural state may be allowed if an intentional design for vegetative growth is on file with the metropolitan beautification commission, provided there is a fifteen feet setback from the front property line and a ten feet setback from any adjacent residential property line. All government-owned greenways, parks, and recreation areas shall be exempt for the provisions of the section.

B.

No owner or occupant shall permit the accumulation of debris, trash, litter or garbage, or any combination of those elements on exterior property or premises; such condition is declared to be a public nuisance and a danger to the public health, safety, and welfare.