LANSING, Mich. – Two popular ornamental plants often used by landscapers may become illegal to buy, sell or plant in the ground in Michigan – in addition to four other known invasive species.

Super-smelly callery pear trees and prickly Japanese barberry shrubs have been targeted for new regulations by state agricultural authorities because they have been wreaking havoc on Michigan’s forests. These invasive species stand to become restricted starting in January 2028, if top state officials approve.

Landscapers and plant nurseries would be warned for a first offense in the first year of regulation. Businesses would be allowed a period to come into compliance, but subsequent violations could bring fines.

“In general, plants that are listed as prohibited or restricted cannot be introduced,

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