Chula Vista, CA Invasive Plant Rules: Prohibited Species (2026)

32's rules on street rights-of-way plantings, states: "It is unlawful to plant or permit to be planted on any public rights-of-way in the City the following named trees or shrubs," then lists species including Acacia Melanoxylou (Blackwood Acacia), Acacia Longifolla, Ailanthus Glandulosa (Tree Heaven), Eucalyptus Globulus (Blue Gum), Juglans Migra (Black Walnut), Liriodendron Maclura Pomifera (Osage Orange), Melia Azedarach (China Berry), Morus Alba (Mulberry), Populus (Poplar), Salix (Willow), plus various fruiting species such as apple, apricot, fig, peach, nectarine, pear, persimmon, pomegranate and quince, along with European Sycamore and, except where parkways are six feet or wider, Chinese Elm.

Several listed species, Tree of Heaven and Blue Gum Eucalyptus in particular, are separately recognized as invasive by the California Invasive Plant Council, though the ordinance's own rationale (fruit litter, weak wood, thorny branches, root damage to infrastructure) predates modern invasive-species terminology; it was adopted by Ordinance 1205 in 1969 and carried forward from the prior code. 060, which bars hedges, cacti or dense thorny shrubs from any public right-of-way and restricts other shrubs over two feet tall from being planted within 30 feet of an intersection or closer than 20 feet apart. 080 for any tree or shrub already growing in the right-of-way.