Great Willowherb

Epilobium hirsutum

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Great Willowherb is a large herb that flourishes in damp ground, such as wet grasslands, ditches, riversides and woodland clearings. Its fluffy seeds are dispersed by the wind. Pink flowers appear on the top of hairy stems from July to August.

How to identify

Great Willowherb is a tall plant covered in soft, downy hair. The small purple-pink flowers have creamy centres and the lance-shaped leaves sit opposite each other on the stems.

Where to find it

Common throughout the UK, but less so in Scotland.


When to find it

  • July
  • August

How can people help

Human activity, including the drainage of land for agriculture and development, has resulted in the disappearance of many of the UK's wetlands. The Wildlife Trusts are working closely with planners, developers and farmers to ensure our wetlands are protected and managed for the benefit of the plants and animals they hold, including Great Willowherb. We have a vision of a 'Living Landscape': a network of habitats and wildlife corridors across town and country, which are good for both wildlife and people. You can support this greener vision for the future by joining your local Wildlife Trust.

Species information

Common name
Great Willowherb
Latin name
Epilobium hirsutum
Height: up to 2m
Conservation status