Invasive Plant Rules in Troy, MI (2026)
2 verified invasive plant rules for Troy, Michigan, sourced directly from the municipal code and official government pages.
Verified from official government sources
Prohibited Species
Troy's Zoning Ordinance bars anyone from newly planting more than 40 invasive species listed in Table 13.02-D, including Norway maple, tree of heaven, autumn olive, Japanese barberry and giant reed. Section 13.02.I targets non-native plants that reproduce aggressively and harm local ecosystems, and it applies to every landscaping installation and site plan reviewed by the Zoning Administrator after the ordinance's July 23, 2026 effective date.
Troy's Ban on Planting Invasive Species
Significant RestrictionsTroy, MI Zoning Ordinance (Ch. 39) § 13.02.I, Table 13.02-D
I. Prohibited Species. As of the effective date of this ordinance, the following species set forth in Table 13.02-D shall not be newly planted in landscaping. These plants are not native to the area, reproduce profusely and have potentially harmful effects on natural ecosystems. Table 13.02-D Prohibited Species. Trees: Norway Maple (Acer plantanoides), Amur Maple (Acer ginnala), Silver Maple (A...
Tree-of-Heaven Removal
Troy's Zoning Ordinance names Tree of Heaven (Ailanthus altissima) on its Table 13.02-D prohibited species list, banning new plantings anywhere landscaping is required under the ordinance. The list flags it, and the other listed trees and shrubs, as non-native, prolific spreaders harmful to natural ecosystems.
Tree of Heaven Banned From Troy Landscaping
Some RestrictionsTroy Zoning Ordinance (Ch. 39), § 13.02.I, Table 13.02-D (Prohibited Species)
I. Prohibited Species. As of the effective date of this ordinance, the following species set forth in Table 13.02-D shall not be newly planted in landscaping. These plants are not native to the area, reproduce profusely and have potentially harmful effects on natural ecosystems. ... Table 13.02-D Prohibited Species ... Tree of Heaven Alianthus altissima
Looking for Oakland County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Troy city rules.
Invasive Plant Rules in Oakland County →