Jeff from Huntingburg, In writes
According to the Southern Ag Atrazine Weed Killer for St Augustine Grass product label this product should not be applied over the rooting area of trees, ornamentals, vegetables or other desirable plants other than the indicated turfgrasses. A product like Opti Amine 2,4-D Amine Herbicide may be applied over top of corn to control broadleaf weeds.
Answer last updated on: 03/04/2019