
When to plant green onions in zone 9b
In zone 9b, the last spring frost usually comes around Feb 15 and the first fall frost around Dec 10. Here is when to plant green onions.
Sow in the bedJan 18
Start pickingMar 19
Plant again for fallSep 27
Your green onion calendar for zone 9b
- Jan 18: Sow green onion seeds in the bed
- Mar 19: Start picking green onions
- Sep 27: 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 9b. 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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