When to plant onions in zone 7b
In zone 7b, the last spring frost usually comes around Apr 1 and the first fall frost around Nov 3. Here is when to plant onions.
Sow in the bedMar 4
Start pickingJun 12
Your onion (from sets) calendar for zone 7b
- Mar 4: Plant onion sets in the bed
- Jun 12: 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 7b. 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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