Margie from Church Hill, Tn writes
OHP Marengo G Herbicide is labeled to be applied over-the-top of listed container-grown ornamentals with adequate precautions. Per the product label: Ornamentals should be established in the container for at least 1 week to allow the soil to settle and plants should be at least 5 inches tall prior to applying Marengo G.
Answer last updated on: 08/31/2017
