This Option is for the targeted control of five invasive non-native species Rhododendron ponticum, Giant hogweed, Himalayan balsam, Japanese knotweed, and Grey Squirrels. My research has been assessing the success of each method, and comparing their cost effectiveness. ... Strimming - Great for quickly removing large established populations. List of Options. Balsam Bash 2015. In this instance, we recommended Himalayan balsam control using mowing and strimming. Himalayan Balsam, spoiling aesthetics and reducing the diversity of wildlife along the river. Himalayan balsam was introduced as a garden plant in 1839, but soon escaped and became widely naturalised along riverbanks and ditches, especially close to towns. Himalayan Balsam, or Impatiens glandulifera, to use its scientific name is a large, annual plant species native to, as its name suggests, the Himalayan mountains of East Asia.Growing alongside the colossal peaks and quaint streams of Nepal, Myanmar and other nearby nations. It’s seen as a troublesome invader in many countries as it’s claimed to outcompete native plants and lure pollinators away from them. Himalayan balsam is found across Wales most commonly along waterways and in damp places. Strimming and trimming for cosmetic effect is not recommended. Origins. Himalayas (Northern Pakistan, Kashmir, India) What does it look like? Volunteer groups are always after new recruits to help the fight. Eradication may be possible in two to three years unless your site is being colonised by seeds from further upstream. Seeds can be transported by water which helps this weed to spread quickly along waterways. Farming, Forestry and Rural Issues. Himalayan balsam is one of the species we keep track of in our Wildflowers Count survey - click here to find out how you can help out. Each plant can produce up to 800 seeds per year. Small infestations of Himalayan balsam can be controlled by hand-pulling the whole plant, including roots, in April and any new growth in September; or by regular grazing, strimming or the application of herbicides. Introduced in 1839, it was first cultivated as a greenhouse annual by gardeners. It can be identified by a pink, slipper-shaped flower which has a sickly sweet smell. PDF. What will this achieve. Himalayan Balsam is now listed under schedule 9 of the Wildlife and Countryside Act (1981) and it is an offence to plant it in the wild or otherwise cause it to grow in the wild. It’s important to time your Himalayan balsam control so you don’t inadvertently spread more seeds. Himalayan balsam Himalayan Balsam control along the River Seph. Himalayan balsam Botanical Name. Its aggressive seed dispersal, coupled with high nectar production which attracts pollinators, often allow it to outcompete native plants. I am a contractor for the Countryside Council for Wales the Environment Agency Wales and the Forestry Commission Wales in a joint project to eradicate Himalayan Balsam … Where is it originally from? How volunteers can help. Local names include Nuns and Jumping Jack, as well as Policeman's Helmet, Bobby Tops and Gnome's Hatstand which refer to the fact that the flower is decidedly hat-shaped. This is usually around June. Himalayan balsam (Impatiens glandulifera) is an invasive terrestrial plant species that was first introduced as an ornamental garden plant and is spread exclusively by seed.Since it was introduced, it has spread to most parts of Ireland. Himalayan Balsam (Impatiens glandulifera) is known to many people as an attractive plant with a familiar sweet scent, and a reputation for being a good nectar source for bees. Leaf: Finely serrated slender to elliptical leaves, often with a reddish mid-rib. These were strimming, and spraying the plants with herbicide. 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