5 Weed Killers that Won't Harm Plants | DoItYourself.com
The newspaper will prevent light and air from getting to the soil, and that will kill weeds. Don’t cover the plants you want to save. Conclusion. The best natural way to prevent weeds is to maintain a healthy lawn. Thick, lush grass offers little bare soil that weeds can latch onto. Keep your lawn looking good, and you’ll see a lot fewer weeds.