insects) at the expense of indigenous species. Invasive weed attacking UK's green and pleasant lands. As an invasive plant species, Himalayan Balsam can cause serious problems. It was introduced to Canada in the early 1900s as an ornamental garden flower. Since its introduction to the UK the plant has spread at a rate of 645 km 2 per year (Perrins et al., 1993 in Weber, 2003). Learn how to control these plants here. In Britain, Himalayan balsam is regarded as one of the top-ten most wanted species that have caused significant environmental impact. Each plant has the ability to spread over 7 metres every season, making it difficult to eradicate without a coordinated approach, particularly around rivers … The spread of invasive Himalayan balsam is now so bad that drivers who see it growing along roadside verges are being encouraged to stop and pull it out or contact the council immediately. In July, beautiful, orchid-like flowers, mostly purple or pink but occasionally white, cover its lush green leaves. Origin and Distribution: The plant is native to the western Himalayas but is now invasive in many parts of continental Europe. Himalayan balsam (Impatiens glandulifera) has quickly become one of the UK s most invasive weed species, colonising river banks, waste ground and damp woodlands. It forms dense clumps which can be up to three metres in height. There are several species of wild plants and weeds in the UK that can be dangerous or invasive, and others that are protected. Identifying common invasive plants. It is important to make sure that when disposing of Himalayan balsam, the waste disposal site has a permit to accept and dispose of invasive species. Annual reproduction of this plant occurs in the summer, when the flowers are pollinated by … other plants. The seedpods open in such a way that the seeds are thrown several metres away from the parent plant, helping the species to rapidly spread – often quoted as 20 metres in all directions per season. Japanese Knotweed Ltd are experienced contractors in the surveying and remediation of invasive non-native plant species, including Himalayan balsam. Alternatives to Common Invasive Plants and Characteristics of Select Alternatives. Himalayan balsam (botanical name Impatiens glandulifera) is an invasive plant introduced to Britain in the mid 19th Century by Victorian gardeners. Growing and spreading rapidly, it successfully competes with native plant species for space, light, nutrients and pollinators,… Japanese knotweed. It rapidly colonises the river banks and areas ... plant … It produces much nectar and therefore is attractive to pollinating insects, possibly to the detriment of native flowering plants (which are no longer visited by … He has plotted its spread around the UK, and the novel reasons for it. It is considered a "prohibited noxious weed" under the Alberta Weed Control Act 2010. Weedtec are experts in the control and removal of Himalayan Balsam across the UK, working hard to ensure the removal of all traces as quickly as possible. As GOV.UK explains, you can be fined up to £5,000 or be sent to prison for 2 years if you do not properly dispose of Himalayan balsam and other non-native invasive plants. Introduction. These seeds are stored in fruit capsules at the top of the plant, which when mature or prodded explode, spreading them far into the air and over a wide area (up to seven metres). Himalayan balsam was added to this act in April 2009 in England and Wales, and was included in Scotland by the end of 2011. Himalayan Balsam. Himalayan Balsam is an invasive plant with easily identifiable pink or white heart-shaped flowers, that was introduced to the UK in 1839. Find out more about how to identify Himalayan Balsam. It is now considered a pest in many countries throughout the world. Many fields in the area are being overrun by the fast-growing weed, with locals fearing the impact it may have on local wildlife and other plants. Control Measures Control measures to date for Himalayan balsam have been largely ineffective in halting the plants spread around the UK. Even if you accidentally cause this plant to grow you could face criminal charges. Appearance. Himalayan balsam, UGA2137097, Barbara Tokarska-Guzik, University of Silesia, CC 3.0. It is fast-growing and spreads quickly, invading wet habitat at the expense of other, native flowers. Although very attractive in appearance, Himalayan Balsam is a pest and one of the most rapidly spreading Invasive weeds in the UK. It reaches well over head height, and is a major weed problem. Himalayan balsam is spreading across the country killing plants in its path and destroying waterways It is known to be the largest annual plant in Britain, and you are likely to see it growing along riverbanks and streams due to the rate at which it has spread. Himalayan Balsam originates from the Western Himalayas. Himalayan Balsam. If you've ever wandered along a riverbank, pond or lake, we guarantee you will have seen it at least once! It can be seen along several trails … It is the tallest annual plant in the UK, growing to a height of over three metres. skip to Main Content 0773 340 8222 01425 248242‬ info@kustomlandscapesandecology.co.uk Himalayan balsam is an invasive species and was introduced in the mid-19th century as a garden ornamental. Under the Weed Control Act, it is regarded as a “prohibited poisonous weed.” The plant was first brought to the UK in 1839 at the same time as Japanese knotweed and giant hogweed. Wolfsbane Himalayan balsam is a very attractive but problematic plant, especially in the British Isles. The risk assessment carried out by Invasive Species Ireland identified Himalayan balsam as Public information on invasive species in Wales Himalayan balsam Lifecycle Seedlings start to emerge in March and April with the first flowers appearing in June. We can arrange for one of our invasive weed experts to visit your property and discuss your treatment options. A very invasive, non-native plant which is illegal to grow or cause the growth of. PHOTO CREDIT. Seedlings emerge Foliage growth The Himalayan Balsam (Impatiens glandulifera ) is a very pretty but invasive plant species and during the summer months you will see it bordering riverbanks, canals and damp ditches. A catchment level approach is typically required to achieve longterm control. It was introduced into the UK in 1839 as an exotic greenhouse plant. Himalayan balsam grows in dense stands and it shades out and crowds out many native species. Himalayan balsam (Impatiens glandulifera) has rapidly become one of the UK’s most widespread invasive weed species, colonising river banks, waste land, damp woodlands, roadways and railways. It successfully competes with native plant species for space, light, nutrients and pollinators, and excludes other plant growth, thereby reducing native biodiversity. Japanese knotweed, giant hogweed and Himalayan balsam are three of the most common invasive non-native plants in Northern Ireland. It is presently found in many countries in continental Europe and throughout the UK. It is recommended that efforts are made to enhance native species, as part of a control programme. What is Himalayan Balsam? In the UK, the plant was first introduced in 1839, at the same time as giant hogweed and Japanese knotweed. Himalayan Balsam. So expert advice should be your first port of call. Citations. Himalayan balsam (Inpatiens glandulifera) is a large annually growing plant that is native to the Himalayan mountains.Due to human introduction, it has now spread across much of the Northern Hemisphere. It has a hollow stem, similar to bamboo, but is often flecked with dark purple. Impatiens glandulifera (Himalayan balsam); invasive monoculture on the River Taw, North Devon, UK. Himalayan Balsam. Invasive Himalayan balsam can also adversely affect indigenous species by attracting pollinators (e.g. It produces seedpods from July with ripe seeds being distributed from then until October, when the plant dies having produced up to 800 seeds. 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