American willowherb
Also known as: Information to be completed
A fast-growing, clump-forming herbaceous perennial to 1.5m high, with narrowly ovate, finely toothed green leaves often tinged with red, and numerous small, trumpet shaped pink or white flowers
Scientific classification
- Species
- American willowherb (Epilobium ciliatum)
- Genus
- Epilobium
- Family
- Onagraceae
- Information to be completed
- Toxicity
- Herbaceous Perennial
- Plant type
- 1-1.5 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Columnar upright
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full shade · Full sun · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
American willowherb pictures
Distribution of American willowherb
Distribution map
- Native
- Introduced
- Cultivated
Source:WCVP v16 · Royal Botanic Gardens, Kew · CC BY 3.0 · Boundaries:WGSRPD / TDWG
Culture
Information to be completed
Toxicity
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Quick identification of American willowherb
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American willowherb care guide
- Moderate regular watering, allowing brief slight drying between soakings
- Watering
- Full shade · Full sun · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Moderate regular watering, allowing brief slight drying between soakings
Fertilizing
Balanced perennial feed every four weeks from spring through summer
Pruning
No pruning required
Propagation
Propagates by seed produced prolifically through the growing season and wind-dispersed. In favourable conditions, life cycle from germination to seed production can complete in ten weeks.
Growing
Grows best in moist soil in well-lit conditions, but will tolerate shade and a range of soil types. Spreads rapidly, generally considered a weed.
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Common pests and diseases
Diseases
Generally disease-free
Pests
Generally pest-free
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