The onion plant has an enthusiast of empty, somewhat blue green leaves and its bulb at the base of the plant starts to expand when a specific day-length is reached. The yield is gathered and dried and the onions are prepared for use or capacity. The yield is inclined to assault by various vermin and ailments, especially the onion fly, the onion eelworm, and different organisms cause spoiling. Onions are developed and utilized the world over. As a food thing, they are typically served cooked, as a vegetable or part of a readied flavourful dish, yet can likewise be eaten crude or used to make pickles or chutneys. They are sharp when slashed and contain certain compound substances which aggravate the eyes.