What spacing should I use?

Use the mature width on the plant tag.

Should I plant closer?

Closer fills faster but may need thinning later.

Yes — it's ideal for groundcover and bulbs.

Keep plants half a spacing in from edges; the count already allows for that.

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Find how many plants fill a bed on a square or triangular grid.

Bed length

Bed width

Plant spacing

Grid pattern

You'll need about

50 plants

50.0 sq ft on a square grid

sq ft

50.0

square grid

triangular grid

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A triangular grid fits about 15% more plants and fills in faster, with no straight rows showing.

Square grid: plants = area ÷ spacing². Triangular (staggered) grid: plants = area ÷ (spacing² × 0.866), which fits about 15% more plants.

A 10 × 5 ft bed with plants every 12 inches: 50 sq ft ÷ 1 = 50 plants on a square grid, or about 58 plants on a triangular grid.

Triangular fills in faster and looks more natural.

Find how many pounds and bags of fertilizer your lawn needs from the N-P-K numbers.

Tell us the size of your bed and how deep you want it — we will do the digging (in numbers).

Find out how many cubic yards or bags of topsoil you need.

Pop in your email and keep your numbers handy at the store.

Last updated October 8, 2026. These results are friendly estimates to help you plan — always double-check before buying or making big decisions.