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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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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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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
![© Burncoose Nurseries, all pictures for illustrative purposes only. PERSICARIA affinis](https://www.burncoose.co.uk/site/img/products/squaremedium/persicaria_affinis_3167a.jpg)
PERSICARIA affinis
deep pink
![© Burncoose Nurseries, all pictures for illustrative purposes only. PERSICARIA affinis 'Darjeeling Red'](https://www.burncoose.co.uk/site/img/products/squaremedium/persicaria_darjeeling_red_3168.jpg)
PERSICARIA affinis 'Darjeeling Red'
excellent ground cover with bright crimson flowers
![© Burncoose Nurseries, all pictures for illustrative purposes only. PERSICARIA alpina](https://www.burncoose.co.uk/site/img/products/squaremedium/persicaria_alpina_6165a.jpg)
PERSICARIA alpina
(syn. P. polymorpha) - tall growing with tall stems or plumes of creamy-white flowers
![© Burncoose Nurseries, all pictures for illustrative purposes only. PERSICARIA amplexicaulis 'Blackfield'](https://www.burncoose.co.uk/site/img/products/squaremedium/persicaria_amplexicaulis_blackfield_5344.jpg)
PERSICARIA amplexicaulis 'Blackfield'
slender flowers in deep red-black. A smouldering beauty
![© Burncoose Nurseries, all pictures for illustrative purposes only. PERSICARIA bistorta 'Superba'](https://www.burncoose.co.uk/site/img/products/squaremedium/persicaria_bistorta_superba_3169.jpg)
PERSICARIA bistorta 'Superba'
clear pink poker flowers
![Royal Horticultural Society 'Award of Garden Merit' (AGM) AWARD](https://www.burncoose.co.uk/site/img/misc/agm_large.png)
![© Burncoose Nurseries, all pictures for illustrative purposes only. PERSICARIA microcephala 'Red Dragon'](https://www.burncoose.co.uk/site/img/products/squaremedium/persicaria_microsephala_red_dragon_5140.jpg)
PERSICARIA microcephala 'Red Dragon'
tall and spreading variety with dramatic brownish-red leaves with black markings
![© Burncoose Nurseries, all pictures for illustrative purposes only. PERSICARIA vaccinifolia](https://www.burncoose.co.uk/site/img/products/squaremedium/persicaria_vaccinifolia_3170a.jpg)
PERSICARIA vaccinifolia
tiny pink flowers, good ground cover, and excellent autumn colour
Useful extras...
![](https://www.burncoose.co.uk/site/img/products/squaremedium/Vitax_Q4_6202.jpg)
![](https://www.burncoose.co.uk/site/img/products/squaremedium/grow_your_own_front_22.jpg)
![](https://www.burncoose.co.uk/site/img/products/squaremedium/tomatoe_front.jpg)
![](https://www.burncoose.co.uk/site/img/products/squaremedium/rootgrow_6203.jpg)
![](https://www.burncoose.co.uk/site/img/products/squaremedium/RootgrowEricoid_6204.jpg)
![](https://www.burncoose.co.uk/site/img/products/squaremedium/empathy-allpurpose_6208.jpg)