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Polygonum campanulatum

Lesser knotweed

Garden

Wishlist

  • Polygonum campanulatum | Copyright Greenplantswap 2017

Features

  • BloomsJuly to October
  • Height1m
  • Growth HabitStalked clump
  • Flower ColourWhite-green, pink-red
  • Leaf ColourDark green

Description

Polygonum campanulatum (Lesser knotweed). This species is a creeping perennial growing to about 1m with lanceolate to elliptic leaves with a white to pink-brown hairy underside. The flowers are borne in loose branched nodding panicles of pink-red or white fragrant blooms in early summer to early autumn.

Characteristics

Perennial, Deciduous or Evergreen, Fragrant

Other common names

Knotweed

Interest and use

Ground cover

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  • Polygonum campanulatum | Copyright Greenplantswap 2017

Needs

  • LightFull sun, Part shade or Shade
  • HardinessFully hardy (min -15°C)
  • SoilWell drained
  • Soil pH6.0 to 7.0
  • WaterSemi-moist

Cultivation

They are fully to half hardy and will tolerate sun or shade in well drained soil.

Propagation

Seed or division in autumn or spring, climbers only by semi-ripe cuttings in summer.

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