This factsheet may be reproduced for non-commercial purposes. The basidiospore infects the hypocotyl of seedling of Himalayan balsam and grows within the developing plant to produce the fifth spore type, spermagonia which erupt from the epidermis of the stem. For the rust fungus to become part of the local ecosystem and control Himalayan balsam naturally on its own, it needs to survive in the soil during the British winter and infect new balsam … Himalayan balsam (Impatiens glandulifera) is an introduced summer annual that has naturalised in the UK, mainly along riverbanks and ditches. The green leaves … To fight Himalayan balsam, plants must be chopped down, or pulled up as they come into flower in June or July. Himalayan balsam is an annual, however, and it dies back in the winter, leaving bare spaces that would normally be inhabited by native grasses. (2012). The pulling technique must be undertaken so that whole plant is uprooted and normally best done if pulled from low down the plant - … Himalayan Balsam was one of my successes. Plant size varies dependent of the … • Himalayan balsam is an annual plant with bright purple-pink flowers. An annual species that can aggressively replace native perennial plants along river banks, leading to soil erosion. OFAH/OMNRF Invading Species Awareness Program. The best time is early to mid-summer, before the seeds have matured. Himalayan Balsam, copyright GBNNS The seed pods of Himalayan balsalm explode open when they become ripe and can shoot seeds up to seven metres away. It grows in dense stands and can be up to 2m tall. However, it does have some redeeming features and whilst I can understand the reasons for it being much despised I feel somebody has to speak up in support of this controversial but defenceless and, even though invidious of me to say it, invaluable plant! While it comes from Asia, it has spread into other habitats, where it pushes out native plants and can wreak serious havoc on the environment. Indian balsam needs dealing with before it sets seed. Himalayan Balsam. It is considered a "prohibited noxious weed" under the Alberta Weed Control Act 2010. When seed capsules mature and dry, they will explode when touched, shooting seeds in all directions! It escaped into the wild and is now recorded throughout the UK, particularly along the banks of watercourses. If control is undertaken early enough to prevent flowering (and if this is achieved before seed has set) then eradication is possible in two or three years. Its common name is “Policeman’s Helmet” due to the shape of the flowers. Himalayan balsam is an annual herb, native to the western Himalayas. Seed pods is are tear-drop-shaped and the slightest pressure will cause them to explode and release seeds. A native of the Western Himalaya, it was introduced in 1839 to Kew Gardens as a greenhouse exotic. In the early 1800s it was introduced to many parts of Europe, New Zealand and North America as a garden ornamental. Himalayan Balsam is a common weed familiar to everybody. The seeds can remain viable for up to 2 years but Himalayan balsam does not form a persistent seedbank in soil. Fir tree identification. The Himalayan Balsam is a very adaptable survivor, to the rear of my border in amongst the Atlantic Delpiniums, (which I've removed the flower stems from as they are over and done with,) there are … Keep reading to learn more about how to control Himalayan balsam plants. Once growing, Himalayan Balsam can spread at a fearsome rate and the problem here is now so huge that in the central Lake District alone, our Rangers and volunteers spend at least 50 days between them tackling the plant … Himalayan balsam can completely cover an area and crowd out native vegetation. Himalayan balsam (also known as Indian balsam) was introduced here in 1839 as a greenhouse and warm garden plant and, within a few decades, had escaped into the wild. Himalayan balsam is an invasive herbaceous plant that was initially introduced to North America as a garden ornamental. It is also a vigorous producer of nectar, which draws pollinators away from native plants, putting their pollination and reproduction in jeopardy. Prolific nectar producer, drawing pollinators away from surrounding native species. Before, around 1978, I don’t remember these Balsam plants growing, but soon after, they had spread, using the numerous streams which fed the upper River Irwell. In the UK, the plant … Looks similar to Ontario’s native Jewelweed (. 5-10 flowers on each stems. Since its introduction to parts of North America, Europe and New Zealand, himalayan balsam has been successful in escaping cultivation and invading natural areas. 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