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PERSICARIA

Commonly known as (Polygonum) - Knotweed


Genus of about 150 annuals and perennials. They may be evergreen, semi-evergreen or deciduous and many spread by stolons leading to a spreading habit which can be invasive. This habit and their commonly used name knotweed can give cause for concern but used wisely they are worthy performers. They are found in a variety of habitats worldwide and most have long-lasting spikes of flowers followed by distinctive 3-angled or ovoid fruits.


  • Good to know - poker type flowers. Some have attractive autumn colour. Some are invasive. Wildlife plant - insects.
  • Pests & Diseases - generally trouble-free.
  • Place of Origin - various habitats around the world.
  • Deciduous
  • Evergreen
  • Semi-evergreen - Keeps some of its foliage all year, and will drop some leaves as well.
  • Full Sun
  • Partial Shade
  • Fertile moist well-drained soil - will tolerate any moist soil
  • May cause skin allergy or irritant - Having skin or eye contact with these plants could result in an allergic reaction, burning or rash.
  • Flower Colour - Red
  • Shades of pink - All shades of pink through to Carmine (red)
  • White

Buy Varieties of PERSICARIA

PERSICARIA affinis

PERSICARIA affinis  >


Commonly known as: Knotweed, Polygonum.
Deep pink
MULTIBUY
individually £8.50 each, 3+ £7.00 each
Gift Wrapping available on this plant

PERSICARIA affinis 'Darjeeling Red'  AWARD

PERSICARIA affinis 'Darjeeling Red'  >


Commonly known as: Knotweed, Polygonum.
Excellent ground cover with bright crimson flowers
MULTIBUY
individually £8.50 each, 3+ £7.00 each
Gift Wrapping available on this plant

PERSICARIA alpina

PERSICARIA alpina  >


Commonly known as: Alpine knotweed.
(syn. P. polymorpha) - creamy-white plumes on strong stems. Tall grower
MULTIBUY
individually £8.50 each, 3+ £7.00 each
Gift Wrapping available on this plant

PERSICARIA amplexicaulis 'Blackfield'

PERSICARIA amplexicaulis 'Blackfield'  >


Commonly known as: Knotweed, Polygonum.
Slender flowers in deep red-black. A smouldering beauty
MULTIBUY
individually £9.50 each, 3+ £8.00 each
Gift Wrapping available on this plant

PERSICARIA bistorta 'Superba'   AWARD

PERSICARIA bistorta 'Superba'  >


Commonly known as: Adderwort, Bistort, Polygonum.
Clear pink poker flowers
MULTIBUY
individually £9.50 each, 3+ £8.00 each
Gift Wrapping available on this plant

PERSICARIA microcephala 'Red Dragon'

PERSICARIA microcephala 'Red Dragon'  >


Commonly known as: Bistort, Knotweed.
Tall and spreading variety with dramatic brownish-red leaves with black markings
MULTIBUY
individually £9.50 each, 3+ £8.00 each
Gift Wrapping available on this plant

PERSICARIA vaccinifolia   AWARD

PERSICARIA vaccinifolia  >


Commonly known as: Knotweed, Polygonum.
Tiny pink flowers, good ground cover, and excellent autumn colour
MULTIBUY
individually £8.50 each, 3+ £7.00 each
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Burncoose Nurseries: Gwennap, Redruth, Cornwall TR16 6BJ
Telephone: +44 (0) 1209 860316 Fax: +44 (0) 1209 860011 Email: info@burncoose.co.uk
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