8 Best Weed Killers of 2021 Eliminate weeds quickly with these herbicides. courtesy After spending hours edging the lawn, tending to flower beds or walkways, the last thing you want is pesky weeds popping up and making your newly pristine landscape unsightly. The occasional weed can easily be pulled out by hand but with multiple weeds plucking them one by one can quickly become a time-consuming chore making weed killers a popular choice because they can kill a lot of weeds, fast. With so many choices for weed killers on the market, it can be difficult to choose the right one for your needs. That’s where the Good Housekeeping Institute comes in. Every year the Health, Beauty, and Environmental Sciences and Cleaning Products Labs evaluate hundreds of beauty and cleaning formulas for efficacy and completeness of label directions, safety warnings based on ingredients, and how easy each product is to use.