Wild onion and wild garlic are perennial weeds that grow from underground bulbs. Wild garlic and wild onion thrive in heavy soil, and tolerate wet soil. They are hardy to both cold and drought. They spread rapidly making them difficult to control.
Wild Onion/Wild Garlic: Kill, Control & Prevent It
Wild Onion and Wild Garlic are easily recognized from the garlic or onion odor of their crushed leaves. Some people confuse wild onion with a chive plant, an herb that looks very similar and also has an onion odor.
Control Them in the Lawn
Wild onion and wild garlic are very common lawn weeds. Fortunately, there are easy solutions for controlling them. If you only have them in a couple different areas in the lawn, spot treat them with Ortho® Weed B Gon® Plus Crabgrass Control Ready-to-Use. For large areas, use Ortho® Weed B Gon® Plus Crabgrass Control Concentrate. The bottle will direct connect to the Ortho® Dial N Spray® Hose End Sprayer. Ortho® Nutsedge Killer Ready-To-Spray will also kill large areas of wild onion in your lawn.
Prevent them in the Future
Keeping your lawn fed can help combat future wild onion problems. Maintaining a well-fed lawn helps it grow full and thick to better crowd out weeds like wild onion.