Green onion plant

When to plant green onions in zone 9a

In zone 9a, the last spring frost usually comes around Mar 1 and the first fall frost around Dec 1. Here is when to plant green onions.

Sow in the bedFeb 1
Start pickingApr 2
Plant again for fallSep 18

Your green onion calendar for zone 9a

Snip what you need; they regrow from the roots.

Spacing in a raised bed: 16 plants per square foot.

These dates are estimates from the average frost dates for zone 9a. Your local frost dates may be a week or two different. If a late cold snap is forecast, wait a few days.

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Green onions in other zones

See everything to plant in zone 9a →