Pale Willowherb

(Epilobium roseum)

Pale Willowherb (Epilobium roseum)

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Estimated Native Range
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Climate Requirements

Precipitation 52" - 62"
High Temp. 68°F - 75°F
Low Temp. 23°F - 33°F
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Summary

Epilobium roseum, commonly known as Pale Willowherb, is a perennial herb native to a wide range of habitats including meadows, stream banks, and open woodlands across Europe, extending to Central Asia and China. It typically grows to a height of 30-120 cm (1-4 feet) and features lance-shaped leaves. From June to September, it produces small, pale pink to purple flowers with four petals that are attractive to pollinators. The flowers are modest in size but can be quite showy when the plant is in full bloom. After flowering, it forms elongated seed capsules that release numerous seeds with tufts of hair, aiding in wind dispersal.

Pale Willowherb is valued for its ability to colonize disturbed soils and contribute to the biodiversity of the regions it inhabits. It is often used in wildflower gardens, borders, and naturalized areas. This species prefers moist, well-drained soils and can tolerate a range of light conditions from full sun to partial shade. It is relatively low maintenance but can spread quickly if not managed. Gardeners should be aware that it can become weedy and potentially invasive outside its native range.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 1-2 feet
  • Width: 1-2 feet
  • Growth Rate: Rapid
  • Flower Color: Pink
  • Flowering Season: Summer
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: Medium
  • Drainage: Medium

Common Uses

Border Plant, Butterfly Garden, Low Maintenance

Natural Habitat

Native to meadows, stream banks, and open woodlands across Europe to Central Asia and China

Other Names

Common Names: Rosebay Willowherb, Rosy Willowherb

Scientific Names: Epilobium roseum, Epilobium hornemannii, Epilobium montanum, Epilobium montanum

GBIF Accepted Name: Epilobium roseum