When to plant onions in zone 5a
In zone 5a, the last spring frost usually comes around May 4 and the first fall frost around Oct 3. Here is when to plant onions.
Sow in the bedApr 6
Start pickingJul 15
Your onion (from sets) calendar for zone 5a
- Apr 6: Plant onion sets in the bed
- Jul 15: 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 5a. 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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