
When to plant Swiss chard in zone 4b
In zone 4b, the last spring frost usually comes around May 8 and the first fall frost around Sep 28. Here is when to plant Swiss chard.
Sow in the bedApr 24
Start pickingJun 18
Plant again for fallJul 21
Your swiss chard calendar for zone 4b
- Apr 24: Sow swiss chard seeds in the bed
- Jun 18: Start picking Swiss chard
- Jul 21: Sow swiss chard seeds again for a fall crop
Handles both heat and cold. Cut outer stalks and it regrows all season.
Spacing in a raised bed: 4 plants per square foot.
These dates are estimates from the average frost dates for zone 4b. 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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