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Plant Spacing Calculator

Estimate plants needed for any bed and spacing.

How does the plant spacing calculator work?

Square-grid density = 144 ÷ spacing². Triangular (offset) layout fits ~15% more plants at the same on-center distance.

What else do people ask about this calculator?

How many plants for 100 sq ft at 12 in spacing?

Square grid: 100 plants. Triangular: 116 plants.

Square vs triangular layout?

Triangular looks fuller, uses ~15% more plants, and fills in faster. Square is easier to lay out on a grid.

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