Japanese Knotweed Threatens Housing Project

The invasive Japanese knotweek plant has again been making the headlines in recent weeks, most recently in relation to a 56-house social housing project in Clonakilty, Co. Cork which is on hold due to the presence of the plant.

The Irish Examiner report (http://bit.ly/2bmz3Vf) cited Cork County Council officials as confirming they have been receiving reports of knotweed infestation on a near daily basis and are finding it increasingly difficult to destroy the weed with their own resources. Very few towns and villages in Cork are reportedly free of the plant which, if cut, multiplies rapidly. Treatment processes can take as long as four years to destroy the knotweed which can destroy buildings. A special working group has been established by the council to tackle the issue.

It has been estimated that invasive species, including knotweed, cost the Irish economy around €260m yearly. To give an international example of the cost involved, £70m was required to clear Japanese knotweed from the Olympic village site in London in 2014. Appreciating the magnitude of the issue, the UK has allocated a national budget of £5bn per year towards addressing this problem.

McCarthy Keville O’Sullivan provide a comprehensive service in the identification and management Japanese Knotweed, and other invasive plant species, including on-site eradication. Contact Pat Roberts (proberts@mccarthykos.ie) in our Galway office to discuss further.

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