When to plant potatoes in zone 3b
In zone 3b, the last spring frost usually comes around May 15 and the first fall frost around Sep 15. Here is when to plant potatoes.
Sow in the bedMay 1
Start pickingJul 30
Your potato calendar for zone 3b
- May 1: Plant seed potatoes in the bed
- Jul 30: Start picking potatoes
Plant seed potatoes 4 inches deep. Pile soil around the stems as they grow.
Spacing in a raised bed: 1 plant per square foot.
These dates are estimates from the average frost dates for zone 3b. 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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