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Japanese Knotweed : Swattenden Centre, Cranbrook, Kent

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Japanese Knotweed management at the Swattenden Centre, Cranbrook, Kent

Japanese Knotweed Management for Kent County Council

The Swattenden Centre is a key revenue generative site for Kent County Council.  Through its partnership with Skanska, Twig delivers a range of soft landscaping services at this location.  During one the regular visits Twig’s Project Management team identified a sizeable infestation of Japanese Knotweed in an area of significant traffic by site users.

Twig set out a comprehensive plan for the Japanese Knotweed management and set about its elimination as a top priority.

After an initial process of stem injecting, the results have been very positive but in line with the management plan Twig will return to assess any further treatment needs.

Twig aims to provide this type of proactive “heads up” approach for all its clients, identifying issues before they become problematic and economically challenging to rectify if left too long.

Japanese Knotweed Control at Swanley Youth and Community Centre for Kent County Council, in partnership with Skanska

Japanese Knotweed Control for Kent County Council

The Swanley Youth and Community centre is well used by the public, with various buildings on site, a large car park, basketball courts, sports hall and a temporary library.

The presence of the Japanese Knotweed on site is considered to be a large threat as the invasive weed is only 2-3 metres away from the sports hall and it could be very serious if the plant were to invade the foundations of the building. Twig’s main objective of this project was control the spread of Japanese Knotweed with the use of herbicide.

The secondary objective was to fence off the area already infected with the Japanese Knotweed from the public, to minimise the spread of the Knotweed by people coming in contact.

The management plan spans a period of time, with treatments of the plant taking place in spring and autumn. It is not expected that the plant will  die completely in one year, but our aim is to reduce its size by 50% with each treatment. It may take two or three years to die off completely with two treatments per year, if necessary.

For more information on any of our projects, please call 01892 722948 or 01892 723226


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