Welsh Onion (Allium fistulosum) White.

Welsh onions (Allium fistulosum), or scallions, are a versatile onion variety with a rich history spanning thousands of years across different cultures. Originating in Asia, possibly China or Japan, they were likely introduced to Europe via the Silk Road and eventually made their way to Wales, where they became popular for their ease of cultivation and hardiness. Welsh onions were highly valued by the ancient Egyptians for their medicinal and culinary properties, and were also known to the Greeks and Romans. The Romans brought onions to Britain, where they became a staple crop.

Welsh onions are a hardy and easy-to-grow perennial vegetable that can be grown in various climates and are often used in Asian dishes, particularly those from Japan, Korea, and China. They can be grown from seeds, sets (small bulbs), or transplants. They prefer full sun but can tolerate partial shade and can be planted in early spring or fall.

Welsh onions can be harvested in summer when the leaves are about 8-10 inches tall, and stored in a cool, dry place for several months. They are known for their green, tubular, and somewhat succulent stems, hollow leaves, and robust onion flavor. The cultivation of Welsh onions has evolved over the centuries, making them a popular choice for both home gardeners and professional chefs due to their mild flavor and ease of cultivation.