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🌱 Seed Germination Calculator

🌱 Seed Germination Calculator

Predict germination time based on seed type, temperature, and environmental factors using USDA, UC Davis, and university research data. This tool is supported by user contributions .

20°C
Optimal: 15-29°C
22°C
Daytime average
0 mo
0 = fresh seeds, >12 = older seeds

Germination Prediction

🌱
Select seed type and conditions to calculate germination
📅 Germination Days
–
📊 Success Rate
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⚠️ Risk Level
–
🔬 Scientific Data & Sources ▼

Data Sources

  • • USDA Plant Hardiness Zone Database
  • • University of California Davis Seed Biology
  • • International Seed Testing Association
  • • Royal Horticultural Society Guides

Models Used

  • • Thermal Time Model (TTM)
  • • Cardinal Temperature Model
  • • Hydrotime Model for moisture
  • • Seed viability degradation

📚 This calculator provides research-based estimates for educational purposes.

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