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Department of Plant, Soil and Microbial Sciences Weeds

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Michigan's Worst Weeds

Michigan's Worst Weeds

Summer annuals

  • Common Lambsquarters
  • Common ragweed
  • Eastern black nightshade
  • Fall panicum
  • Giant foxtail
  • Giant ragweed
  • Jimsonweed
  • Pigweeds: Redroot pigweed, smooth pigweed, and Powell amaranth
  • Smartweeds (Pennsylvania smartweed and ladysthumb
  • Velvetleaf
  • Wild mustard

Winter annuals

  • Common chickweed
  • Henbit
  • Marestail (Horseweed)
  • Purple deadnettle

Perennials

  • Canada thistle
  • Common pokeweed
  • Curly dock
  • Dandelion
  • Hemp dogbane
  • Horsenettle
  • Perennial sowthistle
  • Quackgrass
  • Yellow nutsedge

Biennials

  • White campion (cockle)
  • Wild carrot

 

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Issued in furtherance of MSU Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. Quentin Tyler, Director, MSU Extension, East Lansing, MI 48824. This information is for educational purposes only. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned.

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Department of Plant, Soil and Microbial Sciences Weeds

  • Home
  • Extension
  • Extension

  • 2025 Weed Control Guide
  • Commercial Comparisons
  • Michigan's Worst Weeds
  • Extension
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