More Powerful Weed Killers.
The stronger or powerful longer term weed killers have now been banned.And alto they will not work on such weeds as brambles.The best solution is to use Round up weed killer when the weeds are growing at there fastest,normally in mid May.
On tip is to use round up weed killer in the larger 1 litre plus bottles as it seems to be stronger.With Brambles it normally takes 2 to 3 applications to total kill a patch