Purple Loosestrife (Lythrum salicaria)

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Purple Loosestrife
Herbaceous perennial, up to 6’ tall. Familiar invaders of wetlands but can also be found along streams and rivers; requires full sun.
Identification:

  • Purple flowers, from mid-summer into fall.
  • Found in wet soil.
  • Leaves are opposite or in whorls of three.
The Problem:
Releases chemicals that prevent growth of other plant species (allelopathy) and stunt amphibian development. Produces huge stands that clogs waterways, impeding recreational activities and reducing wetland biodiversity.