When to plant sweet corn in zone 5b
In zone 5b, the last spring frost usually comes around Apr 28 and the first fall frost around Oct 10. Here is when to plant sweet corn.
Sow in the bedMay 12
Start pickingJul 26
Your sweet corn calendar for zone 5b
- May 12: Sow sweet corn seeds in the bed
- Jul 26: 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.
These dates are estimates from the average frost dates for zone 5b. 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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