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Invading
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Japanese Knotweed is a vigorous perennial plant that can grow in excess of 3 metres in height and is commonly seen on riverbanks and waste ground. The pictures below are of Japanese knotweed growing at different times of the year. Japanese knotweed can colonises an area, the plant forms dense thickets which then die back to form dead, rigid stems in the winter, only then to re-grow more vigorously the following growing season.
It is most common and vigorous in open damp sites and occurs along riverbanks, canal banks, roadsides ditches and also in a variety of un-disturbed areas.
Japanese Knotweed
Japanese Knotweed (scientific name Fallopia japonica) is Britain's most invasive non-native plant.
It was originally brought from the Far East as an ornamental plant by the Victorians but it is now widely naturalized and is now very common throughout the UK
Destructive nature
Identifying Japanese Knotweed
