Pima County, AZ Invasive Plant Rules: Prohibited Species (2026)

) Link, the invasive grass that has spread through the Sonoran Desert around Tucson and raises wildfire risk in areas that historically had none. 020 requires the owner, lessee or occupant of unincorporated-area property to remove weeds, rubbish, trash, filth, debris and dilapidated buildings that constitute a hazard to public health and safety from the property and any adjoining sidewalks, streets, trails or alleys. Before penalizing anyone, the county must first send an opportunity to correct by certified mail or hand delivery: the recipient has thirty days to acknowledge receipt in writing and sixty days to submit a written abatement plan mapping the infestation, describing eradication techniques and a schedule, and estimating costs.

030 setting a compliance date at least thirty calendar days out; the owner has ten business days to appeal that notice to the Board of Supervisors, whose decision is final. S. Section 44-1201(A) and must be paid off within one to ten years depending on the amount owed. 070; Tucson, Marana, Oro Valley, Sahuarita and South Tucson enforce their own weed and property-maintenance codes.