When to plant green onions in zone 4a
In zone 4a, the last spring frost usually comes around May 12 and the first fall frost around Sep 21. Here is when to plant green onions.
Sow in the bedApr 14
Start pickingJun 13
Plant again for fallJul 9
Your green onion calendar for zone 4a
- Apr 14: Sow green onion seeds in the bed
- Jun 13: Start picking green onions
- Jul 9: Sow green onion seeds again for a fall crop
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 4a. 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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