Weed identification | UMN Extension

Find photos and identifying characteristics that’ll help you identify common Minnesota weeds.

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Annual grass weeds

Guide to grass weeds in Minnesota: Characteristics and photos of barnyardgrass, crabgrass, foxtail, oat, wild panicum and wild proso millet.
Seedling identification key
Weed image search tool: From the Strand Memorial Herbarium.

Annual broadleaf weeds

Guide to annual broadleaf weeds in Minnesota: Characteristics and photos of ragweeds, pigweeds, waterhemp, buffalobur, buckwheat, kochia and more.
Seedling identification key
Weed image search tool: From the Strand Memorial Herbarium.

Perennial weeds

Guide to perennial weeds in Minnesota: Characteristics and photos of artichoke, bindweed, nutsedge, quackgrass, sowthistle and thistle.
Seedling identification key
Weed image search tool: From the Strand Memorial Herbarium.

Minnesota Crop News

Late-Season Window for Seeding Cover Crops

September 14, 2018

Evaluating Fertilizer Purchase Decisions: Frequently Asked Questions

September 13, 2018

Seeding cereals this fall? Be aware of herbicide carryover risks

September 7, 2018

Tips for Planting Winter Cereals

September 7, 2018

New Runoff Risk Tool Determines Best Manure Application Timing

September 7, 2018

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