Invasive Plant Rules in Oklahoma City, OK (2026)
2 verified invasive plant rules for Oklahoma City, Oklahoma, sourced directly from the municipal code and official government pages.
Verified from official government sources
Prohibited Species
Oklahoma City outlaws poison ivy, poison oak, and poison sumac on any lot at any height, classifying them as noxious plants owners must cut, remove, or destroy or face a nuisance-abatement order and lien.
Noxious Plant Ban in Oklahoma City
Some RestrictionsOklahoma City Code §§ 35-61, 35-63
Noxious plants means poison ivy, poison oak and poison sumac, at any height or stage of maturity. ... It shall be unlawful for any owner or person otherwise in possession or control of any lot, tract or parcel of land ... to allow rank weeds, thickets or noxious plants to grow or stand upon such premises ... and it shall be the duty of such owner to cut, remove or destroy any and all such rank ...
Front Yard Gardens
OKC exempts tended food gardens from its 12-inch weed-height nuisance rule, but poison ivy, oak, and sumac are banned outright at any height.
Front Yard Garden Rules in Oklahoma City
Some RestrictionsOklahoma City Municipal Code § 35-61
(2)Noxious plants means poison ivy, poison oak and poison sumac, at any height or stage of maturity. (4)Rank weeds means all vegetation at any state of maturity which: a.exceeds 12 inches in height, except healthy trees, shrubs, or produce for human consumption grown in a tended and cultivated garden unless such trees and shrubbery... constitute a detriment to the health, benefit and welfare of...