About
Bistorta amplexicaulis 'Janet' is a clump-forming, deciduous perennial that reaches a height of up to 1.3 meters. It features broad, ovate green foliage. The flower buds exhibit a silky luster and develop into arching spikes adorned with pale pink blooms, which emerge from summer and continue to flourish 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
- 1-1.5 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 See for further information about RHS plant trials and awards
- Pruning
- No pruning required
- Propagation
- Propgate by division in spring or autumn
- Pest resistance
- Generally pest-free but may be susceptible to slugs and snails
- Disease resistance
- Generally disease-free