Scallions are the easiest onion to grow no matter where you live. This hardy white bunching onion is highly resistant to freezing and may be left in the ground year-round. Has resistance to thrips, smut, and pink root. This is a first-class perennial onion which needs only occasional division of clumps once established. Packet (1g) about 450 seeds sows 25 feet. 60 days. Allium fistulosum. Family: Amaryllidaceae.