Potato plant

When to plant potatoes 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 potatoes.

Sow in the bedApr 28
Start pickingJul 27

Your potato calendar for zone 4a

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 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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Potatoes in other zones

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