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About Germination Time Calculator

Soil temperature is the #1 factor in seed germination. Peppers might take 8 days at 80°F but 25 days at 60°F.

Optimal Ranges

  • Cool Crops (Lettuce, Peas): 40°F - 70°F.
  • Warm Crops (Tomatoes, Peppers): 70°F - 85°F.

How to Use

Select the Vegetable and enter current Soil Temp. The tool estimates "Days to Sprout" based on agricultural data tables.