Waynette from Greenville, Tx writes
Rainfall imminant and spraying with Atrazine
Per the product label for Southern Ag Atrazine Weed Killer for St. Augustine Grass: 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 watering is necessary within 7 to 10 days after treatment
Answer last updated on: 03/07/2016
