There are a few weeds and grasses that need special attention. With sharp pointed grasses like couch it is advisable to double the amount of mulch cover (e.g. bark use 100mm). If you wish, you can spray the area first with a glyphosate-based weed killer.
Ground creeping weeds like bindweed and ground elder will not penetrate DuPont™ Plantex®. However, where you have ground creeping weeds make sure the edges of the DuPont™ Plantex® are buried at least 100mm into the ground around the edge of the bed.
One weed we all fear is Mare’s tail. For this we recommend a hand full of lime placed around the infected area, then use two layers of DuPont™ Plantex® topped up with a double thickness of mulch. We have had an 85% success rate with this weed, but no guarantees!
Remember Plantex is designed to control weeds and grasses not plants and shrubs. Particularly plants with adventitious mirror shoot systems such as brambles have a very strong woody stem, and have the ability to sprout roots from parts of the plant that are not actual roots, meaning it can extend and propagate itself from several means. This type of plant cannot be stopped by any weed control membrane. We always recommend if any of these mirror shoot system plants appear on top of the membrane they are removed immediately.
Where you have areas containing invasive weed or plant growth you are unsure of how to manage, Garden Designers, Landscape Architects and Garden Contractors will have this knowledge and be able to pass on after care advice when using weed control membranes.
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