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University of Minnesota Extension

Extension > Garden > Diagnose a problem > Is this plant a weed? > Broadleaf Weeds > Upright > Hemp

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Hemp (Marijuana)

Cannabis sativa L.

  • Image: broadleaf Plantain
  • Image: broadleaf Plantain
  • Image: broadleaf Plantain

Found in:

  • Rich, low, wet areas, prairie plantings and meadows in the southern half of Minnesota


  • Annual that grows 2-10’ tall
  • Stems are hairy, rough, coarse and somewhat grooved
  • Hairs on the upper parts of the plant exude a sticky resin with a characteristic odor
  • Leaves are divided into 5 to 11 hairy leaflets with notched edges
  • Male and female flowers are on separate plants (dioecious)
  • Flowers are green to greenish-yellow and bloom July to Sept.


Plants that look similar:

  • Sulfur cinquefoil (foliage)
  • Rough cinquefoil (foliage)

More information and control options for Hemp

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