Himalayan balsam was introduced to the UK in 1839 and is a tall annual reaching, 2-3m (6-10ft) in height. 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. 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. Leycesteria formosa is a robust and easily grown shrub native to China and Tibet, which attracts a wealth of wildlife. Ragwort has become a widespread issue for horse and donkey owners, as the plant, which commonly thrives on wasteland and road verges continues to spread to grazing land. It’s an extremely handsome shrub with a long season of interest, bearing shapely leaves, trailing white and claret flowers from mid- to late summer, followed by reddish purple berries in … These weeds flower and seed if left untreated, proliferating at the expense of grazing area. Highly poisonous to cattle, horses and other animals. Best Regards. Q3: Is ragwort poisonous to horses? If … Ragwort is one of the lesser invasive weeds but is highly poisonous to horses and cattle which therefore makes it a must to eradicate. Although Ragwort is poisonous to humans there is little risk due to it being distasteful and not used as food. Horses in particular are selective grazers and many fields have a tendency to ... which are unpalatable e.g. Every time a horse owner does this they take a huge risk. Below shows where weeds that poison horses … ... Himalayan balsam Often found on river banks, growing up to 2 metres in height. Weeds are opportunistic and many are poisonous to horses. It reaches well over head height, and is a major weed problem. Toxic and Non-Toxic Plant List - Horse Plants Toxic to Horses Adam-and-Eve (Arum, Lord-and-Ladies, Wake Robin, Starch Root, Bobbins, Cuckoo Plant) | Scientific Names: Arum maculatum | … Each plant lasts for one year and dies at the end of the growing season. Growing and spreading rapidly, it successfully competes with native plant species for space, light, nutrients and pollinators,… It has – reddish coloured stems It is not harmful to humans. Himalayan balsam; Rhododendron ponticum; New Zealand pigmyweed (this is banned from sale) You do not have to remove these plants or control them on your land. Himalayan balsam is the largest annual growing in Britain, reaching up to 3m in a year. Q4: Is Ragwort poisonous to humans? The seeds of Himalayan Balsam can remain viable for two years. It is now wide spread along riverbanks but it does occur in gardens. Yes. Ragwort. This is still being assessed and in the meantime you can try to dig out the entire Eddie Hoare. I found this plant Very interesting! Ragwort contains a toxic compound called alkaloids, which can cause fatal liver damage to horses if consumed. – Especially the ripe seed pods! Ragwort contains toxic compounds which cause liver damage to equines and other livestock animals, and in … This weed is a stout ragged plant which can grow to a height of 1 metre. Himalayan Balsam was one of my successes. Docks, Thistles and Nettles. Eradicating Japanese knotweed In 2010 the government approved a biological control which is an insect that feeds exclusively on Japanese knotweed sap. It flowers between June and October followed by the production of seedpods. Common Ragwort is a particular problem in horse paddocks being poisonous. The damage is dependent upon the amount consumed. A poorly maintained horse pasture or paddock will have uncontrolled weeds typically in certain locations. 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