60-80 Days to maturity. Allium fistulosum. Organic Flagpole Scallion Onion Seeds. Non-GMO, perennial, organic, open-pollinated, heirloom, cold tolerant, bunching onion. Suitable for growing in greenhouses, garden plots, and raised beds. One the largest kinds of green onions available. It is also well known for its cold tolerance. Highly prized by Asian chefs. Develops attractive dark blue-green leaves. About 150 seeds per 500mg packet.