PERSICARIA alpina

Commonly known as Alpine knotweed

(syn. P. polymorpha) - tall growing with tall stems or plumes of creamy-white flowers
Further Reading....
  • Deciduous
    Linear to narrowly lance-shaped leaves to 15cm (6in) long on stalks 1cm (½in) long
  • White
    Creamy white
  • Height
    To 1.8m (6ft)
  • Spread
    To 1.5m (5ft)
  • Bulb/Corm or rhizomatous perennial
    Erect, clump-forming rhizomatous perennial, many branched from the middle upwards. Produces spikes of cup- to funnel-shaped flowers to 15cm (6in) long
  • Herbaceous
    Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
  • Hardy - very cold winter
    Hardy in all of UK and northern Europe. Plant can possibly withstand temperatures down to -20°C (-4°F)
  • Full sun
  • Partial shade

PERSICARIA alpina

 

 

  • Additional Features
    Good to know
    Also known as Polygonum alpinum acc. to RHS in the AtoZ (height and spread to 1m) and also Persicaria polymorpha by the RHS online (height and spread 2m x 1.5m)
    Pests & Diseases
    None
    Place of origin
    Eurasia
    Resistant to honey fungus
    These plants have little or few problems with honey fungus.
  • Hardiness
    Fully hardy
  • Seasonal Interest
    Summer
  • Soil Conditions
    Tolerates all
    Any moist soil
  • Wildlife
    Rabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
to 1.8m (6ft)
bulb/corm - guide for size not form Average Person
  to 1.5m (5ft)
 

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