Long-day onions grow the best in northern states, while short-day onions grow the best in southern states. These plants have been known and used by humans for many years, but the domestication of the onion didn’t occur until later. The largest producers of onions are China (20.5 million metric tons), India (13.3 million tons), United States (3.3 million tons), Egypt (2.2 million tons) and Iran (1.9 million tons). The four largest production regions are Washington, Idaho-Eastern Oregon, California, and West-Central Oregon. The above ground portion of the plant is not eaten and the edible portion, called the bulb, grows underground and is harvested after a specific growing period. Fill half your container with soil, hold spring onions in place with roots Onions are a strongly flavored edible bulb commonly used in cooking. Try short day onions for the southern U.S., and long day onions for the northern U.S. Day-neutral (intermediate day onions) can do well anywhere. Idaho and Eastern Oregon – 22,800 acres. Vidalia onions are well known for their culinary uses thanks to their unusual sweetness. Once you know how to grow onions, it is not hard to add these fun vegetables to your garden. From here it spread to the Middle East, Asia, Europe and eventually the world. X Research source Yellow onions are golden in color and have a slightly sweet flavor, white onions are sharp and a bit tangier than their yellow counterparts, and red onions are violet in color and are often eaten fresh rather than cooked. When using onion transplants or sets, place them directly in the soil. The largest producers of onions are China (20.5 million metric tons), India (13.3 million tons), United States (3.3 million tons), Egypt (2.2 million tons) and Iran (1.9 million tons). It is a good idea to plant them in the front part of the garden so things that grow taller and fuller will not shade the onions. Where do onions originate from? It’s always a good idea to practice crop rotation , which means you shouldn’t plant onions in the same spot multiple years in a row. Large number of onions are also grown in Turkey, Pakistan, Brazil, Russia and the Republic of Korea. Hi, I'm Tim and I want to welcome you to wanttoknowit.com. How to grow onions – sowing onion seed Sow onion seed indoors as early as January, so they are large enough to plant out in spring. Beginners find sets are easier because the onions have a head start even if planted late, are more disease resistant and crop better in poorer soils, and they tend to avoid the onion fly a bit better. We usually plant a mix of white, yellow and red onions. I love green onions in soups, salads, on top of a nice steak, used as a baked potato topping, and How do onions grow? Learn how to grow onions with this video tutorial from Quickcrop with expert grower Klaus Laitenberger. Onions were also used in the cuisines of ancient China and India. 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