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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-evergreenKeeps some of its foliage all year, and will drop some leaves as well.
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Red
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Shades of pinkAll shades of pink through to Carmine (red)
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White
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Full sun
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Partial shade
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Additional FeaturesGood to knowPoker type flowers. Some have attractive autumn colour. Some are invasive. Wildlife plant - insects.Pests & DiseasesGenerally trouble-free.Place of originVarious habitats around the world.Resistant to honey fungusThese plants have little or few problems with honey fungus.
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Soil ConditionsFertile moist well-drained soilWill tolerate any moist soil
Buy Varieties of PERSICARIA

PERSICARIA affinis
deep pink


PERSICARIA affinis 'Darjeeling Red'
excellent ground cover with bright crimson flowers

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

PERSICARIA microcephala 'Red Dragon'
tall and spreading variety with dramatic brownish-red leaves with black markings


PERSICARIA vaccinifolia
tiny pink flowers, good ground cover, and excellent autumn colour
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