Potato plant

When to plant potatoes 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 potatoes.

Sow in the bedApr 24
Start pickingJul 23

Your potato calendar for zone 4b

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 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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Potatoes in other zones

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