When to plant sweet 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 sweet potatoes.
Plant in the bedJun 5
Start pickingSep 13
Your sweet potato calendar for zone 3b
- Jun 5: Plant sweet potatoes in the bed
- Sep 13: Start picking sweet potatoes
Plant rooted cuttings ("slips") once the soil is warm. Loves hot summers.
Spacing in a raised bed: 1 plant per 2 × 2 ft.
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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