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Please click here for latest ordering information. We are having to implement an hourly limit in order numbers due to demand. We are short staffed, so the phone is not being answered as quickly as normal. We are despatching your orders as fast as possible, however there may be a delay of up to two weeks. UK orders only no exports.

Please note once despatched, your delivery may take 1-3 days due to the high volume with the couriers. Your plants will be fine during this time.

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Last updated 14/05/20 10:00.

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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
  • 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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Telephone: +44 (0) 1209 860316 Fax: +44 (0) 1209 860011 Email: info@burncoose.co.uk
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