Planting Date · Tomatoes
Tomatoes Planting Date Calculator
Calculate the optimal planting dates for tomatoes based on your USDA zone, last frost date, and preferred start method.
Optimal Soil Temp
65°F
Days to Maturity
75 days
Frost Tolerance
very tender
Planting Depth
1/4 inch
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
- Start seeds indoors 6–8 weeks before your last frost date.
- Wait until nighttime temps stay above 50°F before transplanting.
- Harden off seedlings for 7–10 days before moving them outside.
- Plant deeply — bury 2/3 of the stem to encourage strong root growth.