Skip to main content
CityRuleLookup

Tree-of-Heaven Removal

Invasive Plant Rules

Rules requiring removal of Ailanthus altissima (tree-of-heaven), the invasive species that hosts spotted lanternfly, including state programs and city-level mandates.

19% permissive39% moderate11% strict(54 locations)

How Tree-of-Heaven Removal Rules Differ by Place

54 places covered6 strict21 moderate10 permissive

Aurora, CO: Tree of Heaven Ban in Aurora, CO

Heavy Restrictions

Aurora's Unified Development Ordinance bans planting Tree of Heaven (Ailanthus sp.) anywhere in the city, alongside Russian Olive, Aspen, Tamarisk, Ash and Siberian Elm, under the…

Portland, OR: Tree of Heaven Removal Rules in Portland

Heavy Restrictions

Portland requires property owners to eradicate tree-of-heaven and every other species on the City's Nuisance Plants List under Code Section 29.20.010.G, enforced through the same…

Philadelphia, PA: Tree-of-heaven hosts spotted lanternfly under PDA quarantine

Heavy Restrictions

Pennsylvania Department of Agriculture maintains a Spotted Lanternfly Quarantine covering Philadelphia County under 7 Pa. Code chapter 110a. Tree-of-heaven, the lanternfly's primary…

Chico, CA: Tree Of Heaven Unprotected In Chico

Few Restrictions

Chico's tree preservation ordinance specifically excludes Ailanthus, commonly called tree of heaven, from the definition of a protected tree, so removing one doesn't require a permit…

Santa Rosa, CA: Santa Rosa Exempts Tree-of-Heaven From Permit

Few Restrictions

Santa Rosa's tree ordinance singles out ailanthus, the invasive tree-of-heaven, for special treatment: Section 17-24.030(A)(5) lists it among species exempt from the citywide tree…

Somerville, MA: Somerville Tree Of Heaven Exemption

Few Restrictions

Somerville's tree ordinance singles out Tree of Heaven (Ailanthus altissima) for exclusion: unlike other invasive species, it never qualifies as a protected "significant tree" no…