Chamaenerion angustifolium 'Album'
white-flowered rosebay willowherb
A fast-growing, strongly-spreading, rhizomatous perennial forming an extensive patch of erect stems with white flowers 2cm across from mid-summer to early autumn
Other common names
white rosebay willowherbSynonyms
Epilobium angustifolium 'Album'Chamerion angustifolium 'Album'
see moreEpilobium angustifolium alba
Epilobium angustifolium var. album
Epilobium angustifolium f. leucanthum
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
1.5–2.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | White | Green | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
West–facing or South–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Onagraceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Chamaenerion can be annuals or perennials, sometimes invasive, with erect stems bearing willowy leaves and showy, 4-petalled flowers in terminal racemes
- Name status
Accepted
How to grow
Cultivation
Grow in moist but well-drained, humus-rich soil in full sun or partial shade; vigorously spreading by rhizomes and can be invasive so site with care
Propagation
Propagate by seed sown in a cold frame as soon as ripe or in spring. Propagate by division in spring or autumn. Propagate by softwood cuttings from side shoots in spring.
Suggested planting locations and garden types
- Cottage and informal garden
- Wildlife gardens
- Wildflower meadow
- Prairie planting
- Flower borders and beds
Pruning
Deadhead to encourage repeat flowering and to prevent self-seeding
Pests
May be susceptible to slug and snail damage
Diseases
May be susceptible to powdery mildews and a rust
Get involved
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