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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.
Full Plant Details - Sun/Soil & other attributes - Click to close
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Good to know
Poker type flowers. Some have attractive autumn colour. Some are invasive. Wildlife plant - insects. -
Place of origin
Various habitats around the world. -
Resistant to honey fungusThese plants have little or few problems with honey fungus.
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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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Ground coverThese plants are typically low growing and spread quickly to inhibit weed growth on areas of bare soil
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HerbaceousEarly in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
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Persicaria - Growing Guide
