Is Persicaria invasive?
Cultivation. This plant is listed on Schedule 9 of the UK Wildlife & Countryside Act (in the Republic of Ireland) as an invasive, non-native species. It is now an invasive non-native species which is taking over valuable habitats including limestone grasslands.
What is Persicaria affinis used for?
Persicaria affinis is best used at the front of a garden bed border or as ground cover in cool, moist areas. You can see that we used this plant at our Southgate project to border the winding path and provide a lush-dense mat of foliage. Companion Planting Persicaria pairs beautifully with moisture-loving plants such as Astilbes, Hostas, and Ligularia. For a contrasting look, combine with tall grasses, Rudbeckia, or Echinacea for bold textures and colours in the garden.Choose a location that receives at least 6 hours of sunlight per day. Soil quality: well-draining soil is crucial for persicaria. Amend heavy or compacted soil with organic matter to improve drainage. Spring or autumn: plant persicaria in the spring or autumn when the soil is workable, and temperatures are mild.Versatile and robust, it has lush, oval, pointed leaves, while the nectar-rich flowers will help attract wildlife such as bees, butterflies and beneficial insects into your garden. Persicaria are well suited to naturalistic, informal style gardens where fast coverage of large areas is required.How to care for Persicaria. All our persicaria are herbaceous perennials and can be cut back in autumn or spring. Try to avoid doing this too early in autumn, or you may miss out on what can be a vibrant display of late colour from the foliage.
What are the benefits of growing Persicaria?
Persicaria should definitely be more widely grown by gardeners wishing to increase the textures and forms within their gardens. They’re also great for cut flowers, as they give height and texture to a vase, and you will always have blooms with their long flowering season. Persicaria is a genus of herbaceous flowering plants in the knotweed family, Polygonaceae. Plants of the genus are known commonly as knotweeds or smartweeds. It has a cosmopolitan distribution, with species occurring nearly worldwide.Persicaria is a family that warrants careful consideration before planting as it does include some highly invasive species – we have done the checking for you and only offer well behaved types and spreaders that are controllable.P. In Europe, Persicaria perfoliata is included since 2016 in the list of Invasive Alien Species of Union concern (the Union list).Pale persicaria (Persicaria lapathifolia) is a common weed in all crops, particularly spring-sown ones. It may occur in open crops of winter wheat, possibly preferring more organic soils than the similar redshank. Flowers are self-pollinated or cross-pollinated by insects.