Chamaenerion angustifolium 'Album'
white-flowered rosebay willowherb
A fast-growing, strongly-spreading, rhizomatous perennial to 1.5m tall, forming an extensive patch of erect pink-tinged stems with long, narrow, willow-like leaves , and spikes of white flowers 2cm across from mid-summer to early autumn, followed by long pink-tinged seed pods; seeds are cocooned in silky plumes
Other common nameswhite rosebay willowherb
SynonymsEpilobium angustifolium 'Album'
Chamerion angustifolium 'Album'
see moreEpilobium angustifolium alba
Epilobium angustifolium var. album
Epilobium angustifolium f. leucanthum
Ultimate height1–1.5 metres
Time to ultimate height2–5 years
Ultimate spread1.5–2.5 metres
MoistureMoist but well–drained
pHAcid, Alkaline, Neutral
Colour & scent
- Full sun
- Partial shade
West–facing or South–facing or East–facing
ExposureExposed or Sheltered
- Native to the UK
- Clump forming
Chamaenerion can be annuals or perennials, sometimes invasive, with erect stems bearing willowy leaves and showy, 4-petalled flowers in terminal racemes
- Name status
How to grow
Grow in moist but well-drained, humus-rich soil in full sun or partial shade; vigorously spreading by rhizomes and has the potential to become a nuisance so site with care
Suggested planting locations and garden types
- Cottage and informal garden
- Wildlife gardens
- Wildflower meadow
Deadhead to encourage repeat flowering and to prevent self-seeding
May be susceptible to slug and snail damage
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