You can get rid of couch grass and goutweed without using herbicides.
How to do this is explained by the expert of the online publication Belnovosti, agronomist, landscape designer Anastasia Kovrizhnykh .
How to get rid of couch grass and goutweed
First, try to mow the grass in your garden more often.
Secondly, plant more potatoes, as well as dahlias. You can create a whole flower bed with dahlias. These plants restrain the spread of couch grass.
Thirdly, a good remedy is a physical barrier around the beds.
For example, you can dig in pieces of slate around the perimeter. You need to dig them in with an overlap, then the weeds will not grow.