How to grow nodding onion

When to plant nodding onion

NC State Extension says nodding onion is easiest to propagate by dividing its bulblets, and it also self-sows. Set out bulbs or divisions in spring or fall in well-drained soil; the bulb is edible but the plant is grown mainly for its flowers.

Nodding Onion is timed by season rather than your frost dates, so the planting calendar does not generate ZIP-specific dates for it. Check the cited sources below to fine-tune for your area.