About
Bistorta amplexicaulis 'Blackfield' PBR is a compact, clump-forming perennial that reaches a height of up to 90 cm. It features dark green, oval to heart-shaped foliage, with leaves measuring around 10 cm in length. From mid-summer through mid-autumn, slender spikes adorned with dark blood-red flowers emerge from nearly black buds. This plant is ideal for smaller gardens and works well at the front of flower borders.
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
- Soil type
- Clay, Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Poorly-drained
- Aspect
- North-facing, West-facing, South-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
- Plant type
- Bogs, Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.5-1 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 any moist soil in full sun. Benefits from added organic matter
- Pruning
- No pruning required. Cut back after flowering, or in late winter/early spring
- Propagation
- Propagate by division in spring or autumn
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free