Grow Delicious Heshiko Bunching Green Onions. Why choose our Heshiko Bunching Green Onions?. Significantly enhances flavors with its mild onion taste. – Mild Flavor & Heirloom Quality. Unit Quantity: 1 Features: Edible,Non-GMO,Heirloom,Mild onion flavor,High germination rate Sunlight: Full Sun Climate: Japanese Bunching Onion Seeds.