
When to plant spinach in zone 4a
In zone 4a, the last spring frost usually comes around May 12 and the first fall frost around Sep 21. Here is when to plant spinach.
Sow in the bedMar 31
Start pickingMay 15
Plant again for fallJul 24
Your spinach calendar for zone 4a
- Mar 31: Sow spinach seeds in the bed
- May 15: Start picking spinach
- Jul 24: 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 4a. 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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