PERSICARIA amplexicaulis 'Blackfield'

Commonly known as Knotweed, Polygonum

Slender flowers in deep red-black. A smouldering beauty
Further Reading....
  • Semi-evergreen
    Keeps some of its foliage all year, and will drop some leaves as well.
    Ovate, lance-shaped, pointed, mid-green leaves to 25cm (10in) long, slightly puckered.
  • Red
    Deep red black
  • Height
    To 1.2m (4ft)
  • Spread
    To 1.2m (4ft)
  • Herbaceous
    Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
    Robust, clump-forming perennial
  • Hardy - cold winter
    Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
  • Full sun
  • Partial shade

PERSICARIA amplexicaulis 'Blackfield'

 
Available Early Spring 2022 - Spring according to the Met office is defined as March 1st - May 31st. Therefore early spring is early March to mid-April. This is not a guaranteed date but an estimate and subject to availability.
individually £13.50 each , 3+ £11.00 each 

 

  • Additional Features
    Pests & Diseases
    None
    Place of origin
    Garden origin
    Resistant to honey fungus
    These plants have little or few problems with honey fungus.
  • Flower Shape
    Bell/Lantern
    Narrowly bell-shaped 5mm (¼in) long
    Spikes
    Long-stalked narrow spikes to 10cm (4in) long
  • Hardiness
    Fully hardy
  • Seasonal Interest
    Summer
  • Soil Conditions
    Tolerates all
    Any moist soil.
  • Wildlife
    Bee friendly
    Rabbit Resistant
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
to 1.2m (4ft)
Herbaceous - guide for size not form Watering Can
  to 1.2m (4ft)
 

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