Seed & Planting
Germination Rate Calculator
Calculate germination percentage from a seed test and determine adjusted seeding rate.
Input
Fill in the fields below, then click Calculate.
seeds/acre
Optional: to calculate adjusted rate
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Fill in the fields and click Calculate to see results.
Tips & Best Practices
- Test germination 2-3 weeks before planting to allow time for adjustments.
- Use 100 seeds for a statistically reliable test.
- Test in moist paper towels at 70-80°F for most species.
- Seeds below 80% germination should be replaced or rates increased.