The inner flesh is white with a tinge of pink or purple. Size: The size of red onions can vary, ranging from small to medium. The bulbs can be as small as a golf ball or as large as a tennis ball. Flavor: Red onions are known for their pungent and slightly sweet flavor.
Onions vary in size, shape, color, and flavor. The most common types are red, yellow, and white onions. The taste of these vegetables can range from sweet and juicy to sharp, spicy, and pungent, often depending on the season in which people grow and consume them. Farmers have cultivated allium vegetables for centuries.