Planting Date · Corn
Corn Planting Date Calculator
Calculate the optimal planting dates for corn based on your USDA zone, last frost date, and preferred start method.
Optimal Soil Temp
60°F
Days to Maturity
80 days
Frost Tolerance
tender
Planting Depth
1–2 inches
Input
Fill in the fields below, then click Calculate.
Select your USDA plant hardiness zone (3–10).
Approximate month of your last spring frost.
How you plan to start the crop.
No results yet
Fill in the fields and click Calculate to see results.
Tips & Best Practices
- Direct sow corn after the last frost when soil reaches 60°F.
- Plant in blocks of at least 4 rows for good wind pollination.
- Successive plantings every 2 weeks extend the harvest window.
- Corn is a heavy feeder — amend soil with compost or balanced fertilizer.