How to grow Persicaria wallichii

Persicaria wallichii growing rhizome herbaceous of the genus Persicaria also known as Polygonum polystachyum or Himalayan Knotweed, Persicaria wallichii perennial evergreen or deciduous plant, used as ornamental plant and as groundcover, can grow in temperate, mediterranean or subtropical climate and growing in hardiness zone 4b-9.

Leaves color green in elliptic shape with wavy margins.

Persicaria wallichii flower

Flower color white to pink in star shape, flowers small and grow on stems in inflorescences

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How to grow Persicaria wallichii growing and care:

Moist and rich soil

What is the best way to start growing?
Plant / Seed / Vegetative reproduction

Is it necessary to graft or use vegetative reproduction?

Difficulties or problems when growing:

Planting season:
Spring / Summer / Autumn

Pests and diseases:

Pruning season:
Autumn / Winter

How to prune:
For control and design

Size of the plant:
80-160cm, 36-72 inches

Growth speed in optimal condition:
Fast growing / Medium growing

Water requirement:
Average amount of water / Big amount of water

Light conditions in optimal condition for growing:
Full sun / Half shade

Is it possible to grow indoor as houseplant?

Growing is also possible in a planter /flowerpot / containers:

Blooming information

Bloom season?
Summer / Autumn

General information about the flower:
Star flowers in color white to pink, the flowers small and grow on stems in inflorescences

Scientific name:

Persicaria wallichii

How to grow Persicaria wallichii

Growing Persicaria wallichii plant

Persicaria wallichii plant care

Persicaria wallichii


Blooming Seasons
  • Autumn flowers
  • Summer flowers
Flower colors
  • Pink flower
  • White flower
  • Mediterranean Climate
  • Subtropics Climate
  • Temperate Climate
Ornamental parts
  • Ornamental flower
  • Ornamental leaves
  • Ornamental plant
Plant growing speed
  • Average growing plants
  • Fast growing plants
Plant life-form
  • Evergreen
  • Geophyte
  • Herbaceous
  • Perennial plant
Plant Uses
  • Ground cover plants
  • Ornamental plants
Planting Season
  • Autumn Planting
  • Spring Planting
  • Summer planting
Plants sun exposure
  • Full sun Plants
  • Part shade Plants
Watering plants
  • Big amount of water
  • Regularly water
Hardiness zone
  • Hardiness zone 4
  • Hardiness zone 5
  • Hardiness zone 6
  • Hardiness zone 7
  • Hardiness zone 8
  • Hardiness zone 9