9 county-level rules, plus city-specific rules for 1 city in Polk County, Iowa.
Verified from official government sources
In unincorporated Polk County, the Weed Commission takes complaints for grass over 12 inches or plants on the Iowa Noxious Weed List. Cities set their own limits — inside Des Moines, contact the city (NID@dmgov.org).
Polk County Weed Commission (unincorporated overgrowth policy)
Polk County Weed Commission takes complaints for grass that is over 12" or is on the Iowa Noxious Weed List.
Polk County's Weed Commission explicitly does not handle complaints about trees or bushes. Tree-trimming disputes between neighbors are civil matters, and tree rules inside cities are set by each municipality.
Polk County Weed Commission
Please note that we do not accept complaints regarding trees or bushes.
Polk County sets no tree-removal or heritage-tree ordinance for private property. Removing your own tree is generally unrestricted; tree removal inside a city is governed by that municipality's code.
Iowa Code 317.10 requires every landowner to destroy all noxious weeds on their land as directed by the county board of supervisors. Polk County's Weed Commission enforces this and takes complaints on listed weeds.
Iowa Code § 317.10
Each owner and each person in the possession or control of any lands shall cut, burn, or otherwise destroy, in whatever manner may be prescribed by the board of supervisors, all noxious weeds thereon as defined in this chapter.
Polk County sets no lawn-watering schedule. Central Iowa's water is managed by Central Iowa Water Works / Des Moines Water Works, which can impose voluntary odd/even schedules or, in a shortage, mandatory bans.
Iowa has no state ban on collecting rainwater, and Polk County sets no rain-barrel ordinance. Residents may capture roof runoff in barrels or cisterns; only plumbing tie-ins to potable systems need a permit.
Polk County has no ordinance banning native or prairie landscaping, and the county promotes native roadside vegetation. The one legal limit: your planting cannot include listed noxious weeds under Iowa Code 317.
Polk County has no ordinance for or against artificial turf on residential lots. Installation on unincorporated land is generally unrestricted; cities and HOAs may regulate synthetic lawns.
Polk County allows backyard composting but regulates it through the Health Nuisance Regulation: a compost pile that harbors vermin, produces offensive odors, or accumulates garbage can be ordered abated.
Polk County Health Nuisance Regulation § 2-5(d)
The deposit or storage, outside of an enclosed building, of junk or similar items, including but not limited to: ... cut brush or wood including dead or decaying plant material except as contained in a compost pile.
1 cities in Polk County have their own landscaping rules rules. Each link goes to that city's dedicated page with code citations.
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