Cement is a fine, soft, powdery-type substance. It is made from a mixture of elements that are found in natural materials such as limestone, clay, sand and/or shale. When cement is mixed with water, it can bind sand and gravel into a hard, solid mass called concrete.
Overview. While onions may be welcome in your vegetable garden, they are considered weeds in your lawn. Onion grass, a type of wild onion, often flourishes in yards, particularly in the southeastern region of the U.S. Like most common lawn weeds, onion grass can be eliminated with commercial herbicides and weed killers.tep 2. Cut onion grass very short to prevent flowering. Onion grass reproduces by flowering and seeding. By cutting onion grass to the same height as your lawn grass, you can stop it from spreading.
Report Abuse. Yes, you can plant it, and yes you can eat the onion stem and all. In fact you can eat the flower the onion will get if you leave it in the ground that long. To plant your onion sink it into the ground so that the onion top is level with the soil surface.n fact you can eat the flower the onion will get if you leave it in the ground that long. To plant your onion sink it into the ground so that the onion top is level with the soil surface.