Natural Guard Grass and Weed Killer Non-Selective RTU is a non selective organic herbicide so it is labeled to kill poa annua (annual bluegrass) along with other listed weeds and grasses however, this cannot be used in lawns as it will also kill the turfgrass. Application sites for this product include mulch beds, around planters, raised beds, driveways, patios, foundations,along fence rows and in plant beds. This is not labeled to be used in lawn areas for weed control. Please visit our Lawn Care Guides DIY Page and the How to Treat Poa Annua (Annual Bluegrass) Guide for instructions and recommended products.
Answer last updated on: 10/03/2022