When to plant sweet corn in zone 9

Sweet Corn in USDA zone 9

Average zone 9 frost dates: last spring frost ≈ Feb 25, first fall frost ≈ Dec 1 (279 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 4
• Sweet Corn in zone 5
• Sweet Corn in zone 6
• Sweet Corn in zone 7
• Sweet Corn in zone 8
• Sweet Corn in zone 10
• Zone 9 planting calendar