Bistorta amplexicaulis var. pendula

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weeping red bistort

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Synonyms

Persicaria amplexicaulis var. pendula

Plants for pollinators
Herbaceous Perennial
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A deciduous to semi-evergreen, clump-forming perennial to 80cm with ovate green leaves and weeping, dark magenta-pink flowers which appear from in mid-summer through to autumn. At their best in cooler summer conditions or in the autumn, and suitable for smaller gardens or the front of a flower border

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

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

Position

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

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Polygonaceae
Native to GB/Ireland
No
Foliage
Deciduous, Semi evergreen
Habit
Clump forming, Pendulous weeping
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
Correct
Plant Range
Central Nepal to Bhutan

How to Grow

Cultivation

Grow in moisture-retentive but well-drained 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
  • Wildlife gardens
  • Wildflower meadow
  • Flower borders and beds

Pruning

No pruning required

Pests

Generally pest-free but may be susceptible to slugs and snails

Diseases

Generally disease-free