- You will get 50 Seeds of Red Bunching Onion Scallion Hybrid Non-GMO Vegetable Seeds. - Genus: Allium. - 50 Red Bunching Onion Scallion Seeds Hybrid Non-GMO. - Red Bunching F1 Hybrid is a sweet and mild scallion that makes a striking presentation at market. It grows well at all temperatures but shows the most purple when grown in cool weather. - Sow directly in the field or early in containers. Cut plants back by half if they stretch in containers.