A garden weed killer is a pesticide used to regulate undesirable vegetation in lawns. It’s usually utilized within the spring or fall when weeds are actively rising. The most effective garden weed killer will successfully kill weeds with out damaging the grass. There are a lot of several types of garden weed killers out there, so it is very important select one that’s proper on your particular wants.
Garden weed killers may be categorised into two principal varieties: pre-emergent and post-emergent. Pre-emergent herbicides are utilized earlier than weeds have emerged from the soil, they usually work by stopping weed seeds from germinating. Publish-emergent herbicides are utilized after weeds have emerged, they usually work by killing the weeds straight. There are additionally selective and non-selective herbicides, selective herbicides goal particular varieties of weeds, whereas non-selective herbicides kill all vegetation they arrive into contact with.