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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.
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Deciduous
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Evergreen
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Semi-evergreen Keeps some of its foliage all year, and will drop some leaves as well.
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Red -
Shades of pink All shades of pink through to Carmine (red) -
White -
Full sun -
Partial shade -
May cause skin allergy or irritant Having skin or eye contact with these plants could result in an allergic reaction, burning or rash. -
Additional Features
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. -
Resistant to honey fungus - These plants have little or few problems with honey fungus.
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Soil Conditions
Fertile moist well-drained soil - will tolerate any moist soil
Buy Varieties of PERSICARIA
PERSICARIA affinis
Deep pink
PERSICARIA affinis 'Darjeeling Red'
Excellent ground cover with bright crimson flowers
Gift-wrapping available
PERSICARIA alpina
(syn. P. Polymorpha) - tall growing with tall stems or plumes of creamy-white flowers
PERSICARIA amplexicaulis 'Blackfield'
Slender flowers in deep red-black. A smouldering beauty
PERSICARIA bistorta 'Superba'
Clear pink poker flowers
Gift-wrapping available
PERSICARIA microcephala 'Red Dragon'
Tall and spreading variety with dramatic brownish-red leaves with black markings
PERSICARIA 'Silver Dragon'
Silvery-green pointed leaves which are darker on the edge and veined with red
Gift-wrapping available
PERSICARIA vaccinifolia
Tiny pink flowers, good ground cover, and excellent autumn colour
Gift-wrapping available
Useful extras...
