About
Bistorta amplexicaulis 'Keep Smiling' is a clump-forming, deciduous perennial that features broad, ovate green foliage. This plant produces upright spikes adorned with pink blooms from summer into autumn.
About the genus
This genus consists of herbaceous perennials that grow from rhizomes, featuring upright, unbranched stems. At the top of these stems are short spikes adorned with small, bell-shaped flowers that can be white or pink in color.
Growing conditions
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- East-facing, North-facing, South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.5-1 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden, Wildflower meadow, Wildlife gardens
Care notes
- Cultivation
- Grow in moisture-retentive but well-drained soil in full sun or partial shade
- Pruning
- No pruning required
- Propagation
- Propagate by division in spring or autumn
- Pest resistance
- Generally pest-free but may be susceptible to slugs and snails
- Disease resistance
- Generally disease-free