9 county-level rules, plus city-specific rules for 1 city in Ada County, Idaho.
Verified from official government sources
In unincorporated Ada County, letting weeds, grasses or plant life grow over one foot in a way that creates a fire, safety or health hazard is a declared public nuisance. Cities like Boise and Meridian set their own limits.
Ada County Code 5-9-4 (Nuisance Ordinance, Ord. 236)
The growth of weeds, grasses, bushes or other plant life to such a size (over 1 foot in height) and/or in such a condition as to cause, or reasonably threaten to cause, a fire hazard because of their dried and unkempt condition.
Ada County has no general permit to trim trees on your own property. Trimming that blocks sight lines at intersections or driveways can be treated as a nuisance, and trees overhanging roads or right-of-way must be kept clear.
Ada County has no general tree-removal permit for private land; you can remove trees on your own unincorporated parcel. Cities such as Boise regulate protected and street trees, so removal inside city limits may require city approval.
Ada County declares overgrown weeds and grasses a public nuisance when they create a fire, safety or health hazard, or interfere with neighbors' use of their property. The county can order abatement and charge the owner.
Ada County Code 5-9-4 (Nuisance Ordinance, Ord. 236)
The growth of weeds, grasses, bushes or other plant life to such a size (over 1 foot in height) and/or in such a condition as to cause... a health hazard because they provide nesting areas for rodents, vermin and/or insects, or... to interfere with the free and comfortable use of adjacent and neighboring premises and property.
Ada County itself sets no residential watering schedule. In the Treasure Valley, outdoor irrigation typically comes from irrigation districts (Nampa-Meridian, Settlers, Pioneer, Boise Project), whose seasons and allotments govern how much water you get.
Ada County has no ordinance banning rooftop rainwater collection. Under Idaho water law, capturing rain and snowmelt from your own roof for use on your property is generally allowed without a water right; diverting natural waterways is not.
Ada County does not require any particular landscape plants and does not ban native or xeric plantings. As long as growth is not an overgrown-weed nuisance or a designated noxious weed, residents may choose water-wise native landscaping.
Ada County has no ordinance banning or specifically regulating residential artificial turf. Installation on private property is generally allowed; check drainage, any building or grading permits, and city or HOA landscape standards.
Ada County has no ordinance banning backyard composting. Home compost piles are allowed, but they must not become a nuisance, attract rodents or vermin, or create odors that interfere with neighbors' use of their property.
1 cities in Ada County have their own landscaping rules rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Ada County — parking, noise, fences, fires, animals, pools, and more.
Ada County Ordinance Hub →