Synthetic mulches are also available. Black or colored polyethylene sheeting can be used as a weed barrier, but you must put irrigation lines under the sheeting, since rainfall will not penetrate this barrier. Woven synthetic landscape fabrics are also available. These fabrics eliminate the need to place irrigation lines under the fabric, but they are less effective in eliminating sunlight. Many weeds in flower beds can easily be removed by hand.
Most people benefit from some exercise, and bending to pull weeds can be healthy exercise.
Of course, it will also enhance the beauty of your landscape. When used as a supplement to the practices discussed above, hand removal weekly or every other week will provide that manicured appearance to your property. When pulling weeds by hand, be sure to remove the roots. Most perennial weeds and many annual weeds will regrow if you don't remove roots from the soil. Herbicides Herbicides are highly effective for controlling weeds in your lawn and ornamental beds.