The Weed of the Month is a series of articles about Minnesota noxious weeds. It reaches a broad audience to educate Minnesotans about injurious plants. The articles are picked up by publications throughout the state and are archived at this website. Material in this column is not copyrighted and reproduction of material is encouraged. However, credit the Minnesota Department of Agriculture if you do use material from these columns. Check back regularly for updates and new articles!
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2025 Weed of the Month Series
July - Harmful Impacts of Invasive Plants
June - Report a Pest Success Stories for Noxious Weeds
May - Making a Weed Management Plan
April - Callery Pear is Infamously Known for its Pungent Scent
March Bonus - Foraging Garlic Mustard
March - Bite Back - Taking Advantage of an Invasive Problem
February - 2024 New County Finds of Eradicate List Noxious Weeds
January - Choosing Seeds and Plants to Avoid Pests and Pathogens in Your Garden
2024 Weed of the Month Series
December - Going Above and Beyond Using Drones for Conservation Efforts
November - Round Leaf Bittersweet Noxious Weed Status Change
October - The Invasion Curve
September - Meadow Knapweed Noxious Weed Status Change
August - Noxious Weed Disposal
July - Preventing Common Buckthorn Reinvasion: A CoverItUp! Project Update
June - Poison Hemlock Noxious Weed Status Change
May - A Decade in Bloom
April - Annual Treatment Cycle for Invasive Plant Species
March - Biological Control of Purple Loosestrife in Minnesota
February - 2023 New County Finds of Prohibited Eradicate List Noxious Weeds
January - Resources and Invasive Plant Management
2023 Weed of the Month Series
December - Saltcedar
November - Amur corktree
October - Amur silvergrass
September - Tatarian maple
August - non-native Phragmites
July - Pale Swallow-wort
June - Tree of Heaven
May - Johnsongrass
April - Lesser Celandine
March - 2022 New County Finds of Prohibited Eradicate Noxious Weeds
February - Updates to the Noxious Weed List
January - Common Barberry
2022 Weed of the Month Series
December - Pigweeds
November - Plumeless Thistle
October - Non-native Bush Honeysuckles
September - Multiflora Rose
August - Porcelain Berry
July - MDA Report a Pest System and Palmer Amaranth
June - Teasel
May - European Alder
April - Urban Roots Youth Conservation Program is Restoring Degraded Habitat in St. Paul Parks
February - 2021 New County Finds of Prohibited Eradicate Noxious Weeds
January - Assessing the Risk of Invasive Plants in Minnesota
2021 Weed of the Month Series
December - Noxious Weed Grant Achievements
October - Red Hailstone
September - Palmer Amaranth Is In My Field, Now What?
July - Pale Swallow-wort
June - Vining Milkweeds and Rough Potato
May - Gardening with Non-invasive Plants
April - Habitat Restoration
March - Change to the 2021 Noxious Weed List
February - Tactical Plan for Invasive Plant Prioritization
January - What's In My Soil?
