Persicaria bistorta 'Superba'
red bistort 'Superba'
A vigorous, clump-forming herbaceous or semi-evergreen perennial to 95cm, with strongly veined, finely pointed ovate leaves and dense spikes of small, fat, long-flowering soft grey-pink flowers in summer through to autumn. Tends to spread more easily in sunny locations, less so in dry shade. Good for waterside, smaller gardens and at the front of a flower border
SynonymsPersicaria bistorta 'Superba'
Polygonum bistorta 'Superbum'
Ultimate height0.5–1 metres
Time to ultimate height2–5 years
Ultimate spread0.5–1 metres
MoistureMoist but well–drained, Poorly–drained
pHAcid, Alkaline, Neutral
Colour & scent
|Summer||Pink Grey Silver||Green|
|Autumn||Pink Grey Silver||Green|
- Full sun
- Partial shade
West–facing or East–facing or South–facing
ExposureExposed or Sheltered
- Native to the UK
- Semi evergreen
- Clump forming
- Name status
How to grow
Ideal for a moist soil although it can tolerate some dryness (with more of a wandering habit in dry shade). Suitable for full sun or partial shade
Propagate by division in spring or autumn
Suggested planting locations and garden types
- Cottage and informal garden
- Wildflower meadow
- Banks and slopes
- Flower borders and beds
No pruning required. Deadhead faded spikes
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