Roundup Grass Weed Killer: How Long After Application Can I Plant New Grass?

You can plant lawn grass three days after applying Roundup Weed & Grass Concentrate Plus. Vegetation that has been sprayed with Roundup will begin to wilt within two to four days and will die within one to two weeks.

Keywords: Roundup Grass Killer, Roundup Weed Killer, Roundup Super Concentrate

About this Author

Melody Lee worked as a newspaper reporter, copywriter and editor for 5 years. In addition, she has edited magazine articles and books. Lee holds a degree in landscape design and is a Florida master gardener. She has more than 25 years of gardening experience, which includes working at nurseries and greenhouses.