West Suffolk Council's choice to swap their current weed killer in favour of an eco-friendly alternative will cost £20,000.
From April next year, the council will stop general use of Glyphosate, a broad-spectrum weed killer, to help protect wildlife and the environment.
Their previous choice was a non-selective weed killer which removed all vegetation it was applied to.
However, after it was found to be harmful to wildlife, the council have conducted trials and inspections of alternative products.
They have warned that the use of the alternative will be most effective on tender young weeds, but may mean some weeds will "reappear and some treated areas may not look as neat".
The move is part of the council's commitment to its Environment and Climate Change Action Plan and it is hoped that leaving some areas "a little more wild" will help local biodiversity.
An exception will be made for treatment of some invasive species, such as Japanese Knotweed and Giant Hogweed, where the Glyphosate will be safely injected directly into the plants.
The Council will now be asked to look at how to budget for this extra £20,000 burden.
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