
When to plant onions in zone 7a
In zone 7a, the last spring frost usually comes around Apr 8 and the first fall frost around Oct 27. Here is when to plant onions.
Sow in the bedMar 11
Start pickingJun 19
Your onion (from sets) calendar for zone 7a
- Mar 11: Plant onion sets in the bed
- Jun 19: 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 7a. 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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