knotweed 'Darjeeling Red' | Plant Finder | Fill My Garden
Plants > Perennials
knotweed 'Darjeeling Red'
Bistortaaffinis 'Darjeeling Red'
★ RHS AGM
Genus
Bistorta
Family
Polygonaceae
About this plant
A semi-evergreen perennial to 25cm tall, forming a mat of lance-shaped leaves to 15cm long, often becoming red in autumn; in summer dense spikes of small flowers open pink, becoming dark red when mature
Growing Information
Height
0.1-0.5 Metres
Spread
0.1-0.5 Metres
Care Guide
Cultivation
Prefers moisture retentive soil in sun or part shade but may spread quickly in wet soil. It is tolerant of dry and light soils in sun or shade where it will spread more gradually
Pruning
No pruning required but remove spent flowers if necessary and comb out old leaves
Propagation
Propagate by division in spring or autumn, or stem-tip cuttings of non flowering shoots
Not Currently Available
This plant is not currently stocked at any garden centres on our platform.