Doña Ana County, NM Invasive Plant Rules: Prohibited Species (2026)

The rule sits in § 350-507, Landscaping, buffering and fencing, part of Doña Ana County's Unified Development Code, Chapter 350. Subsection A(1) applies the section to all new commercial, industrial, institutional and multifamily developments of three or more units, plus the exterior roadway frontage of single-family developments. Subsection D(10) spells out exactly how the plant list works: 'Prohibited or not-recommended plants shall not be counted towards any required landscaping, per Appendix Y, § 350-825. ' That sentence creates two tiers. A not-recommended plant can still go in the ground, it just will not count toward the 25% live-plant-cover minimum or the one-live-tree-per-1,000-square-feet requirement § 350-507E sets for every landscape plan.

A plant Appendix Y flags as prohibited cannot be planted anywhere in the provided landscape area at all, count or no count. ) for the same aggressive, water-seeking growth; Siberian Elm (Ulmus pumila) for invasive roots and weak branching; and Goathead or Puncture Vine (Tribulus terrestris) for its hazardous, reseeding spread. A developer's landscape plan has to be checked against this table before the County signs off, because § 350-507 governs the plant palette used to satisfy every landscaping requirement in the chapter.