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Plant Spacing Calculator
Calculate plant quantities and preview a practical overhead spacing layout. Free to use. No account required.
1
Describe the planting bed
Use the inside dimensions where plants will actually go.
2
Enter the spacing from the plant tag
Use the mature spacing, not the current pot width.
3
Choose how the plants will line up
Both measurements use center-to-center spacing.
your planting quantity
Buy
34 plants
32 plants fill the bed at 18-inch spacing. 2 extra plants are included.
Bed area
72.0 ft²
Rows
4
Spacing
18" centers
Bed preview
Simplified overhead view
Before buying: confirm the spacing on the exact plant's tag. Different varieties of the same plant can mature at very different widths.
Find a garden center how this calculator works
Turn mature spacing into a clear purchase quantity
Enter the usable bed dimensions and the mature center-to-center spacing printed on the exact plant tag. The preview explains straight and staggered rows and keeps optional extras separate from the base layout.
- 1Choose the bed shape and enter its usable inside dimensions.
- 2Enter the mature spacing from the exact plant tag.
- 3Choose straight or staggered rows.
- 4Decide whether to include extra plants for damage or field adjustments.
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