Jackie writes
Per the label of Image Herbicide for St. Augustine Grass and Centipede Grass Concentrate, rain or water within 2 or 3 days of application may decrease the effectiveness on emerged weeds. However, for the control of weeds from seeds, rainfall or water-ing is necessary within 7 to 10 days after treatment. So you would want to apply 48-72 hours prior to rain be expected.
Answer last updated on: 03/08/2022
