Persicaria bistorta - 'Superba' (Knotweed)
Persicaria bistorta description: This fast growing, often invasive perennial produces attractive clumps of green foliage, throwing up spikes of pink flowers throughout the summer. Good for low maintenance woodland planting / difficult areas.
Persicaria bistorta cultivation notes: Preferring moist fertile soils, Knotweed will flourish in full sun or part shade - tolerating chalky soils. Beware of invasive roots, and mulch every 2/3 years plus divide if scraggily.
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Plant Strengths: All round tough plant suitable for problem areas; Suitable for container growing; Tolerates heavy clay soils.
Plant Weaknesses: Will not tolerate exposed, cold or hot and sunny locations.
Common Missspellings: Persacaria, Persicarea, Persecaria, Persiciria
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