Planting Date · Kale
Kale Planting Date Calculator
Calculate the optimal planting dates for kale based on your USDA zone, last frost date, and preferred start method.
Optimal Soil Temp
45°F
Days to Maturity
55 days
Frost Tolerance
hardy
Planting Depth
1/2 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
- Direct sow 4–6 weeks before the last frost or start indoors 6 weeks early.
- Kale flavor actually improves after a light frost.
- Harvest outer leaves first, leaving the center to continue producing.
- Kale can produce well into winter in zones 7+ with minimal protection.