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Knotweeds

There are three harmful invasive alien species of knotweed in Finland: Japanese Knotweed, Giant Knotweed (also called Sakhalin knotweed) and Bohemian Knotweed. The knotweeds spread through root and stem pieces within yard waste or soil material. You can find more information on the Japanese Knotweed and its control methods on the Luontoportti and Laji.fi -sites.

  • Pack knotweed waste in a tightly closed double garbage bag. Take them to the sorting station as waste consisting of invasive alien species.

The waste belongs to the following waste type:

Harmful invasive alien species

Waste reception:

Waste treatment centre, Sorting station

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