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Smallflower hairy willowherb

Epilobium parviflorum

Also called Small-flowered willowherb, Hoary Willowherb, Small Flowered Willow Herb, Small Flower Willowherb, Small Flowered Hairy Willowherb, Smaller Hairy Willowherb, Sparse Flowered Willowherb

Smallflower hairy willowherb
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0

Smallflower hairy willowherb is a hardy, clump-forming perennial wildflower from temperate Eurasia, with tiny pale pink flowers and wind-dispersed seeds. It grows best in moist to wet soil and is mainly found in gardens as a native or wild-garden plant.

Family
Onagraceae (Evening-primrose family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Keep the soil consistently moist; it does well in damp or boggy spots.
Soil
Moist, fertile loam or clay; tolerates wet ground.
Temperature
Hardy in cold winters; suited to temperate climates, dying back to buds below ground in winter.
How easy
Easy
Native range
Temp. Eurasia
Climate
temperate

About

Epilobium parviflorum, commonly known as the hoary willowherb or smallflower hairy willowherb, is a herbaceous perennial plant of the family Onagraceae.

Where it grows

It is one of the most widespread species in its genus. It plant occurs in most of Europe, including Britain, from Sweden to Northern Africa and Western Asia up to Kashmir, in United States and Canada. In Croatia, it is found everywhere but subalpine and altimontane altitudes.

Uses

Extracts of this plant have been used by traditional medicine in disorders of the prostate gland, bladder and kidney, having an antioxidant and antiinflammatory effect . Epilobium parviflorum herb has been prescribed internally as tea in the traditional Austrian medicine for treatment of disorders of the prostate, kidneys, and urinary tract. Extracts of Epilobium have been shown to inhibit proliferation of human prostate cells in-vitro by affecting progression of the cell cycle.

Other Epilobium plants

Whorled Leaved Willowherb · Chickweed Willowherb · Pimpernel willowherb · Aboriginal willowherb · Tall annual willowherb · New Zealand Willowherb · Hummingbird trumpet · Fringed willowherb · Talus willowherb · Selfing willowherb · Hill Willowherb · Purpleleaf willowherb

Text excerpted from the Wikipedia article Epilobium parviflorum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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