When to plant sweet corn in zone 4

Sweet Corn 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 in blocks (not single rows) for pollination, once soil is 60 °F+.

FAQ

Other zones

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