Landscaping Rules in Weld County, CO (2026)
3 county-level rules, plus city-specific rules for 1 city in Weld County, Colorado.
Verified from official government sources
Weed Ordinances
Unincorporated Weld County has no general grass-height limit, but its Noxious Weed Management Enforcement Policy declares listed noxious weeds a public nuisance and requires all landowners to manage them. Greeley separately enforces noxious-weed control and bans decaying vegetation.
Weeds Are a Public Nuisance in Weld County
Some RestrictionsWeld County Code § 15-2-10
The noxious weeds listed in Section 15-1-40 of this Code, at any and all stages, their carriers, and any and all premises and things infested or exposed to infestation therewith in the County, are declared to be a public nuisance.
Rainwater Harvesting
Colorado law lets residents collect rooftop rainwater in up to two rain barrels holding a combined 110 gallons or less, for outdoor use on the same single-family or small multi-family property. No permit is needed; drinking or indoor use is prohibited.
Rainwater Harvesting Rules in Weld County
Some RestrictionsC.R.S. 37-96.5-103
No more than two rain barrels with a combined storage capacity of one hundred ten gallons or less... A person shall not use precipitation collected under this article for drinking water or indoor household purposes.
Native Plants
New development inside Weld County's I-25 Overlay District must maximize native plants in its landscaping: Section 23-5-520(A)(2) directs landscape designers to strive to maximize the use of native species, falling back on regionally adapted, noninvasive species only where a true native will not work for the site's use or appearance.
Native Plants Required in I-25 Overlay Landscaping
Some RestrictionsWeld County Code § 23-5-520(A)(2)
2.Landscaping plans shall consist of a variety of species, and landscape designers shall strive to maximize the use of native species. Where native material is not appropriate for the intended use or appearance, plant species that are regionally adapted and noninvasive shall be used. A partial list of plant materials that are native or adapted to Colorado's Front Range is included in Appendix 2...
Landscaping Rules by City in Weld County
1 cities in Weld County have their own landscaping rules rules. Each link goes to that city's dedicated page with code citations.
All Weld County ordinances
See every category we cover for Weld County: parking, noise, fences, fires, animals, pools, and more.
Weld County Ordinance Hub →