Michele from Augusta,ga writes
My entire backyard has tree roots under soil. I want to plant grass but need to kill onions 1st. Need I say this is a shaded yard.
Hi-Yield 2, 4-D Selective Weed Killer can be applied to kill wild onions. You wan to make sure to apply when there is no wind to lessen the possibility of drift on the trees.
Answer last updated on: 04/24/2014