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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.
Semi-evergreenKeeps some of its foliage all year, and will drop some leaves as well.
Ground coverThese plants are typically low growing and spread quickly to inhibit weed growth on areas of bare soil
HerbaceousEarly in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
Additional FeaturesGood to knowPoker type flowers. Some have attractive autumn colour. Some are invasive. Wildlife plant - insects.Place of originVarious habitats around the world.Resistant to honey fungusThese plants have little or few problems with honey fungus.
Buy Varieties of PERSICARIA
excellent ground cover with bright crimson flowers
(syn. P. polymorpha) - tall growing with tall stems or plumes of creamy-white flowers
slender flowers in deep red-black. A smouldering beauty
clear pink poker flowers
tall and spreading variety with dramatic brownish-red leaves with black markings
tiny pink flowers, good ground cover, and excellent autumn colour