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Japanese knotweed

Japanese knotweed is an invasive species of plant and is the fastest growing in the UK.

Knotweed can grow virtually anywhere and causes many problems including loss of native plant species, physical damage, rapid spread, reduction in land values and difficulty in obtaining mortgages.

Knotweed grows in virtually all habitats and soil types and its growth is not dependent on climate. In Swansea it is found on beaches, grassland, wet ground, along water courses, in gardens, derelict land, graveyards and railway embankments and hedges.

PDF Document How to identify Japanese knotweed (PDF, 871KB)Opens new window

Control of Japanese knotweed

Japanese knotweed is extremely difficult to get rid of completely due to the fact that even small pieces of the plant can grow into new plants.

We offer a treatment service for landowners to help control the spread of Japanese knotweed.

Please note: Due to the time of the year and weather we will no longer be providing quotes for the treatment of herbicide to knotweed this year. This is due to the knotweed dying back naturally at this time of year as it is an herbaceous plant and the herbicide will not work. Please check back in the spring when we will resume the service.

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