Q.killing wild onions
I read your article on how to kill these beasts and I am wondering how to best kill them right next to my house. They are coming up in the crack between the house and the sidewalk. I cut as much as I could off last fall and sealed the crack with concrete filler, but they broke through that and are back with force. They are EVERYWHERE!
Certified GKH Gardening Expert
They are beasts! Just keep after it like the article says. I can't believe it broke through the concrete filler. I had some success with repeat applications of herbicide. Here are herbicide options: