
When to plant green onions in zone 10b
In zone 10b, the last spring frost usually comes around Jan 15 and the first fall frost around Dec 31. Here is when to plant green onions.
Sow in the bedDec 18
Start pickingFeb 16
Plant again for fallOct 18
Your green onion calendar for zone 10b
- Dec 18: Sow green onion seeds in the bed
- Feb 16: Start picking green onions
- Oct 18: 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 10b. 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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