Minnesota Department of Agriculture Plants, Insects Plants Nursery Certification and Plant Regulation Program Overview Minnesota’s nursery certification program ensures pest-free, quality plants through annual inspections and regulation. Cold Hardiness List The cold hardiness list helps ensure accurate plant zone labeling to prevent misleading claims and protect consumers. Dormant Packaged Plants Find Minnesota’s rules for storing, labeling, and selling packaged hardy plants under state Nursery Law. Pollinator Friendly Labeling Requirements Learn about Minnesota’s Pollinator Labeling Law and the requirements for advertising plants as pollinator friendly. Wildflower Permits Learn about Minnesota’s rules for collecting and selling wildflowers. Minnesota Noxious Weed Law Find links to the statutes, the federal noxious weed list, and tips for removing and disposing of noxious weeds.