
When to plant green onions in zone 3b
In zone 3b, the last spring frost usually comes around May 15 and the first fall frost around Sep 15. Here is when to plant green onions.
Sow in the bedApr 17
Start pickingJun 16
Plant again for fallJul 3
Your green onion calendar for zone 3b
- Apr 17: Sow green onion seeds in the bed
- Jun 16: Start picking green onions
- Jul 3: 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 3b. 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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