
When to plant sweet corn in zone 10a
In zone 10a, the last spring frost usually comes around Jan 31 and the first fall frost around Dec 20. Here is when to plant sweet corn.
Sow in the bedFeb 14
Start pickingApr 30
Your sweet corn calendar for zone 10a
- Feb 14: Sow sweet corn seeds in the bed
- Apr 30: Start picking sweet corn
Plant in a block, not one row, so the plants pollinate each other.
Spacing in a raised bed: 4 plants per square foot. In hot zones, plants may stop producing in the hottest weeks of summer and pick up again in early fall.
These dates are estimates from the average frost dates for zone 10a. 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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