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Seed Quantity Calculator

Estimate how many seeds or grams of seed you need for a bed, tray or direct-sown area.

Seed estimate

Change the inputs and the result updates instantly. Recommendations come from the current Plant Sale catalogue.

Seed area

Area shape

Length (m)

Width (m)

Radius for circular patch (m)

Row spacing (cm)

Plant spacing (cm)

Expected germination (%)

Extra buffer (%)

Seed type

Custom seeds per gram

Seed estimate

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