When to plant sweet potatoes in zone 4

Sweet Potatoes in USDA zone 4

Average zone 4 frost dates: last spring frost ≈ May 10, first fall frost ≈ Sep 25 (138 frost-free days). Local dates can vary by 2-3 weeks.

Plant slips 3-4 weeks after the last frost in warm soil.

FAQ

Other zones

• Sweet Potatoes in zone 3
• Sweet Potatoes in zone 5
• Sweet Potatoes in zone 6
• Sweet Potatoes in zone 7
• Sweet Potatoes in zone 8
• Sweet Potatoes in zone 9
• Sweet Potatoes in zone 10
• Zone 4 planting calendar