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Last order date for guaranteed Christmas delivery is Thursday 19th December.

PERSICARIA amplexicaulis 'Blackfield'

Commonly known as Knotweed, Polygonum

Slender flowers in deep red-black. A smouldering beauty
Further Reading....

individually £11.50 each, 3+ £9.00 each

Delivery Information Available again FEBRUARY 2020

 

  • 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
  • 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
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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