Avoid using impermeable plastic, especially if you have trees, shrubs or other plants nearby. Unfortunately, landscape fabric also makes weeding extremely difficult; you can't get a shovel down through the rock and fabric. And it's tough to pull weeds that root into the fabric. Don't use fabric under organic mulches.
She figured that the landscape fabric (or weed barrier, as it is also called). The detrimental effects of the superfluous weed barrier fabric under the mulch are many. it flowed tightly around each and every shrub, tree and perennial in the yard.
Designed to inhibit weeds, landscape fabric has a lot to offerâ€”but some. for landscape fabric is around shrubs and trees where it can be installed and topped. The quality of the landscape fabricâ€”and good installation practices (discussed below)â€”will. Weed seeds can still sprout in the mulch used to cover the fabric.