Bistorta affinis 'Kabouter'

RHS Plant Profile
knotweed 'Kabouter'

Synonyms

Persicaria affinis 'Kabouter'

Herbaceous Perennial

A mat-forming perennial to about 20cm high, with elliptic to lance-shaped dark green leaves, that turn red-bronze in autumn. From midsummer to mid-autumn, produces flower spikes that open pale pink and mature to deep reddish-pink

Position

Full sun, Partial shade

Soil Types

Clay, Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Clay Loam
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Polygonaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Matforming
Genus
A genus of herbaceous, rhizomatous perennials with erect, unbranched stems, bearing short terminal spikes of small, white or pink, bell-shaped flowers
Name Status
Unresolved

How to Grow

Cultivation

Easy to grow in any moist soil in full sun or partial shade

Propagation

Propagate by division in spring or autumn

Suggested planting locations and garden types

  • Cottage and informal garden
  • Flower borders and beds
  • Ground cover

Pruning

No pruning required but remove spent flowers if necessary and comb out old leaves

Pests

Generally pest-free

Diseases

Generally disease-free