knotweed 'Superba' | Plant Finder | Fill My Garden
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knotweed 'Superba'
Bistortaaffinis 'Superba'
★ RHS AGM
Genus
Bistorta
Family
Polygonaceae
About this plant
A semi-evergreen perennial forming a wide mat to 20cm in height, with dark green, elliptic leaves and erect spikes of small pale pink flowers that deepen to crimson with age
Growing Information
Height
0.1-0.5 Metres
Spread
0.5-1 Metres
Care Guide
Cultivation
Grow in any moist soil in full sun or partial shade.