Allium schoenoprasum, Chives, Amaryllidaceae, umbellate heads, self seeding, good drainage, expanding crown, good perennials, attract beneficial insects, can confuse / repel other insects ie carrot flies = companion planting with carrots, smallest species of edible onions, Europe Asia North America, only allium native to new and old world, bulbs, rich soil, full sun, purple violet flowers,