Creator utility lab
Plant Spacing Calculator
Set the bed, set the spacing, and see exactly how many plants honestly fit.
Fit real plants into real space
Set the bed size and the spacing each plant needs; the grid shows what honestly fits.
Overcrowding is the most common beginner mistake. The grid makes the tradeoff between spacing and plant count visible before anything is sown.
- Halve the spacing. Did the plant count exactly quadruple?
- Fit at least 12 plants at 20 cm spacing by adjusting the bed.
Overcrowding is the most common beginner mistake, and it is invisible at sowing time. This grid draws your bed to scale and places plants at the spacing they will need at maturity — not the size they are today.
Halve the spacing and the count roughly quadruples, which is exactly why seed packets sound so conservative. Believe the packet.
How far apart should lettuce go?
About 20–30 cm for heads; closer only if you're cutting leaves young.
Does the grid pattern matter?
Offset (hex) rows fit ~10–15% more plants at equal spacing — this tool shows the straight-grid baseline.