Purple Loosestrife (Lythrum Salicara)

Mouna, Emersyn, and Frank.

Where it can be found....

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It was found in Europe and Asia

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The purple loosestrife is an Aquatic purple plant. It grows by waters and can grow to be 2 to 7 feet high.

Helpful Hints

  • Crimes: This plant hurts fish, wildlife, and native plant habitat.
  • How'd it get here: Settlers brought it for their gardens and it may also have come here because ships used rocks for ballast.
  • How does it spread: An adult loosestrife can produce 2.5-2.7 million seeds annually.
  • How to control it: Pulling, Cutting, or Digging.


  • The plant forms dense stands with thick mats of roots that can spread over large areas, degrading habitat for many native birds, insects and other species.
  • By crowding out native plantsit reduces biodiversity.
  • Large stands of purple loosestrife can clog irrigation canals, degrade farm land and reduce the forage value of pastures.