Praktické

Časovač klíčení semen

Seed Germination Timer

Sow Date

Plant

What is Seed Germination Timer?

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Doba klíčení semen se liší podle druhu a teploty půdy. Kalkulačka klíčení odhadne, kdy lze očekávat sazenice, což pomáhá naplánovat plány výsadby pro následné sklizně.

Calkulon makes complex calculations simple — built for students and everyday problem-solvers.

Vzorec

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f(x)

GDD (rostoucí denostupně) = Σ[(Denní max. + Denní min)/2 − Základní teplota] | Potřebné GDD se liší podle plodiny

How to Seed Germination Timer

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1Germination days depend on species and soil temperature
2Warmer soil (within range) speeds germination
3Heat mats help cold-sensitive species like peppers
4After germination, seedlings need light within 12 hours

Worked Examples

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Example 1

Given:Tomatoes sown 10 March, soil 22°C

Výsledek:Expected germination: 15–20 March (5–10 days)

Real-World Applications

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Calculating deadlines and project timelines

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Determining exact ages for legal or medical purposes

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Planning events and scheduling across time zones

Germination by Vegetable

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Vegetable	Days	Optimal soil temp
Tomatoes	5–10	21–27°C
Peppers	10–21	24–29°C
Lettuce	3–7	15–21°C
Carrots	7–21	10–24°C
Cucumber	3–7	21–29°C
Parsley	14–28	18–24°C

Frequently Asked Questions

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What is Seed Germination?

Seed germination time varies by species and soil temperature. A germination calculator estimates when to expect seedlings, helping plan planting schedules for successive harvests

How accurate is the Seed Germination calculator?

The calculator uses the standard published formula for seed germination. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Seed Germination calculator use?

This calculator works with inches, watts. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Seed Germination calculator use?

The calculator applies the standard formula for this type of calculation. See the 'How It Works' steps above for the detailed formula breakdown.

References

›Seed germination — RHS

Formula-verified for precision

Reviewed October 2026

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