5 Weed Killers that Won't Harm Plants | DoItYourself.com
Cornmeal will also attract worms that naturally churn and enrich the soil, so cornmeal is a good idea even if you don’t have a big weed problem. 2. Vinegar. You probably have a weed killer in your home right this very minute. If not, you can buy one at any grocery store: vinegar. Get undiluted white vinegar and pour it into a spray bottle.