green onion

Green onions, also known as scallions or spring onions, are immature bulbing onions (Allium fistulosum) harvested before the bulb develops. They are characterized by long, slender green stalks topped with small white or pale bulbous bases. The entire plant—both the white basal portion and the green blade—is edible and offers a spectrum of flavors ranging from mild and slightly sweet at the white base to progressively more assertive onion flavor in the lighter green middle sections, with the dark green tops delivering grassy, herbaceous notes. Green onions are less pungent than mature onions and are available year-round in most markets due to their rapid growth cycle and adaptability to both field and controlled cultivation.

Green onions are a versatile garnish and ingredient across Asian, American, and Mediterranean cuisines. In East Asian cooking, they are essential in Chinese stir-fries, Japanese ramen, and Korean banchan, where both white and green portions are separated and used strategically—the whites for cooking to impart flavor, the greens as fresh garnishes. They appear in Mexican salsas, American salads and soups, and Middle Eastern mezze. The white and pale green sections tolerate cooking and develop mild sweetness when sautéed, while the dark green tops are best used fresh to preserve their delicate, herbaceous character. Common applications include garnishing tacos, soups, and grilled dishes; mincing into compound butters; and layering into sandwiches.