Is Japanese Knotweed Poisonous?
What is it?
Japanese knotweed is a fast-growing, invasive weed that originates from Japan. Unknowing Victorian botanists brought the weed over to the UK because they liked its aesthetic appeal, its similarity to bamboo and the fact that the stems could grow large enough to be used as fences. Over time, however, Japanese knotweed brought more disadvantages than benefits and its rapid spread has caused stress for homeowners, landowners and developers.
Japanese knotweed was classified as a weed when the government realised that its growth was leading to the destruction of much of the surrounding natural flora. The extensive roots of the plant can also inflict costly damage to the walls and foundations of nearby homes if left untreated. The weed thrives in our climate and it’s able to grow up to a height of 3m in under 10 weeks.
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