Plan with confidence
Seed-Starting Schedule Calculator
Enter your average last spring frost date to create personalized indoor seed-starting and outdoor planting windows for vegetables, herbs, and flowers.
Your season, organized
Know what to start—and when.
Dates are planning ranges, not guarantees. Adjust for current weather, soil temperature, crop variety, and your own garden conditions.
Your planting schedule
| Crop | Start indoors | Plant outside / direct sow | Timing | Shop |
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No crops match those filters.
URBAN FARMER
My Seed-Starting Schedule
Saved selections
My Planting Plan
Select crops above to create a shorter, printable schedule.
Your selected crops will appear here.
Your county extension office or weather service can provide a reliable average frost date.
Acclimate indoor-grown plants to outdoor wind, sun, and temperatures over 7–10 days.
Warm-season crops may need additional time even after frost danger has passed.
Ready to start growing?
Shop seeds for the crops in your personalized planting plan.