Southeastern Wisconsin Invasive Species Consortium, Inc.


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Hairy Willow-herb

Hairy Willow-herb

Hairy willow herb

(Epilobium hirsutum)

General description:

Semi-aquatic perennial herb that grows 3-6’ tall, with fine, soft hairs covering the entire plant. Stems are tall and branching. Grows in open, moist habitats.

Ecological threat:

  • It forms dense, monotypic stands that can be found in open riparian areas along streams, ditch banks, wetlands and moist waste places.
  • Can be found in undisturbed natural areas due to the seed easily spreading by wind, water or transported by humans or animals.
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