India is the second-largest onion-growing country in the world. The Indian onions are famous for their pungency and are available round the year. Indian onions have two crop cycles, first harvesting which starts from November to January and the second harvesting from January to May.
Onion (Allium cepa) is a plant that is grown worldwide. The onion bulb is commonly eaten as food. Onion bulb and extract are also used to make medicine. Onion contains chemicals that seem to reduce swelling and lung tightness related to asthma.
Onions belong to the Allium family of plants, which also includes chives, garlic, and leeks. These vegetables have characteristic pungent flavors and some medicinal properties. Onions vary in size, shape, color, and flavor. The most common types are red, yellow, and white onions.