Climate change could help to spread a potentially harmful invasive plant, according to Highland Council.
The Highland weather was believed to have restricted giant hogweed to only a few places in the region.
Areas where it grows include along the River Nairn. Brushing against the weed can cause skin problems.
Highland Council has secured a grant from Scottish Natural Heritage to eradicate giant hogweed on the Auldearn Burn, near Nairn, and Munlochy.
The local authority has previously carried out work to control the plant, which was introduced to the Highlands by Victorian gardeners.
The latest effort follows concerns at the council that warmer temperatures may help the weed to spread.