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Chickweed Willowherb

Epilobium alsinifolium

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Plant Profile

Flowering Months:
Onagraceae (Willowherb)
Life Cycle:
Maximum Size:
25 centimetres tall
Meadows, mountains, riversides, waterside, wetland.

Pink, 4 petals
Pink flowers, 14 to 16mm in diameter. The flowers are a bluer pink than the very similar looking Alpine Willowherb (Epilobium anagallidifolium).
The fruit is a long, cylindrical pod.
The leaves are stalkless and in opposite pairs up the stem. The leaves are similar to those of Alpine Willowherb but are larger, broader and more pointed. They are also a bluer green and are more toothed. The leaves are rounded at their bases. The stems are almost hairless. Most often seen growing on limy soils. Perennial.
Frequency (UK):

Similar Species

Other Information


Epilobium alsinifolium is a species of willowherb known by the common name chickweed willowherb. This small flowering plant can be found in European arctic and alpine areas. It is a perennial herb, spreading by stolons and occurring in or by mountain springs or streams, or on irrigated mountain meadows. It has small white flowers with four petals and long, thin, pointed leaves. The native range of this species is Greenland to Europe. It is a perennial and grows primarily in the temperate biome. It can be identified by the slightly dentated leaf margins.


Chickweed Willowherb, scientifically known as Epilobium alsinifolium, is a flowering plant native to the Northern Hemisphere. This species is known for its small, white flowers and its ability to grow in a variety of habitats, including forests, wetlands, and disturbed areas.

Epilobium alsinifolium is a member of the Onagraceae family, which includes other popular plants such as evening primrose and fuchsia. The plant has a distinctive, low-growing habit, with leaves that are lance-shaped and often arranged in a basal rosette. It produces clusters of small, white flowers from June to September, which are a popular source of nectar for insects, such as bees and butterflies.

In addition to its ornamental value, Chickweed Willowherb has been used for medicinal purposes for centuries. It has been used as a remedy for a variety of ailments, including skin irritations, respiratory problems, and digestive issues. Some people have also used it as a natural remedy for menstrual cramps and to regulate menstrual cycles.

However, it is important to note that Chickweed Willowherb should be used with caution. Some people may experience allergic reactions when using it, and it can also interfere with certain medications, such as blood thinners. It is always best to consult with a healthcare provider before using any new natural remedies.

Chickweed Willowherb is a hardy and easy-to-grow plant that is well suited to a variety of garden settings. It can be propagated by seed or by dividing the roots, and it is often used as a groundcover or in wildflower gardens. It is also a popular choice for naturalized areas, as it is able to colonize disturbed sites and help to stabilize soil.

Chickweed Willowherb is a versatile and attractive plant that offers a range of benefits, both ornamental and medicinal. Whether you are looking to add a new element to your garden, or searching for a natural remedy, this plant is definitely worth considering.

Another interesting aspect of Chickweed Willowherb is its ability to thrive in a variety of soil types, from sand to clay. It is also able to tolerate a range of light conditions, from full sun to partial shade, making it an ideal choice for a wide variety of garden spaces.

In addition to its ornamental and medicinal uses, Chickweed Willowherb is also important to wildlife. The plant provides food and habitat for a range of species, including insects, birds, and small mammals. The nectar produced by its flowers is an important source of nutrition for pollinators, and the leaves and stems provide shelter for insects and other small creatures.

For gardeners, Chickweed Willowherb is an easy plant to care for. It requires very little maintenance, and is able to tolerate a range of growing conditions. Once established, it can be left to grow on its own, or it can be trimmed back to maintain its shape. The plant can be propagated by seed or by dividing the roots, making it easy to share with friends or expand your garden.

Overall, Chickweed Willowherb is a plant with many benefits, both practical and aesthetic. Its versatility and ease of care make it an ideal choice for a wide range of garden settings, and its ornamental value and medicinal uses make it a plant worth considering for anyone looking to add a new element to their garden or explore natural remedies. Whether you are a seasoned gardener or just starting out, Chickweed Willowherb is sure to be a valuable addition to your garden.

Distribution Map

Reproduced by kind permission of the BSBI.

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