When to plant spinach 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 spinach.
Sow in the bedMar 27
Start pickingMay 11
Plant again for fallJul 31
Your spinach calendar for zone 4b
- Mar 27: Sow spinach seeds in the bed
- May 11: Start picking spinach
- Jul 31: Sow spinach seeds again for a fall crop
A cool-weather crop. Plant early in spring and again in late summer.
Spacing in a raised bed: 9 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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