When to plant onions in zone 8b
In zone 8b, the last spring frost usually comes around Mar 15 and the first fall frost around Nov 18. Here is when to plant onions.
Sow in the bedFeb 15
Start pickingMay 26
Your onion (from sets) calendar for zone 8b
- Feb 15: Plant onion sets in the bed
- May 26: Start picking onions
Plant small bulbs ("sets") pointy end up. Harvest when the tops fall over.
Spacing in a raised bed: 9 plants per square foot.
These dates are estimates from the average frost dates for zone 8b. 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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