Koenigia × fennica 'Johanniswolke'
A tall, clump-forming perennial to 2m with large, lance-shaped green leaves and strong, upright stems producing plumes of small, intensely fragrant, creamy-white flowers over a long period in summer, followed by pinkish-red seed heads. Suitable for the back of a flower border. Holds well without the need for staking
SynonymsPersicaria × fennica 'Johanniswolke'
see morePersicaria polymorpha 'Johanniswolke'
Persicaria alpina misapplied
Koenigia alpina misapplied
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Ultimate height1.5–2.5 metres
Time to ultimate height2–5 years
Ultimate spread1–1.5 metres
MoistureMoist but well–drained, Poorly–drained
pHAcid, Alkaline, Neutral
Colour & scent
- Full sun
- Partial shade
East–facing or North–facing or South–facing or West–facing
ExposureExposed or Sheltered
- Native to the UK
- Clump forming
A genus of annual or clump-forming perennial plants with terminal or axillary inflorescences carried on upright stems. Flowers are small, pale-coloured usually white or pink. Seeds are borne in achenes
- Name status
How to grow
Grow in any moist soil in full sun or partial shade. Substantial mounds of foliage steadily increase in size, needing space and careful siting
Propagate by division in spring or autumn or propagate by seed in spring
Suggested planting locations and garden types
- Cottage and informal garden
- Flower borders and beds
No pruning required. Cut back after flowering
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