Measured planting-grid illustration; geometric example, not crop spacing advice
A measured planning example. Check crop, local and product requirements separately.

Read the source range correctly

The USU example is a transplant example: 24 inches between plants within a row, with rows 48 to 72 inches apart. Treat the 24-inch figure as the in-row center interval for that example and the 48-to-72-inch figure as the row-to-row range you must decide separately. The source also describes a separate direct-sown mound system, which is not the same counting method. Do not mix mound counts with transplant row counts.

Sowing, thinning and initial planting are different from established plants. A seed or seedling position is not automatically the final spacing of a mature plant. When you mark a row, state whether the marks are for sowing, for thinning targets, or for transplant centers, and keep that label on the plan.

  1. Write down whether the row is for direct sowing, thinning or transplants.
  2. Record the chosen in-row center interval and the chosen row-to-row distance as separate decisions.
  3. Note that the mound system is a different method and is not counted the same way.

Source context: Utah State University Extension

Choose one labeled scenario

For a clear planning scenario, label the row as a summer squash transplant row using 24-inch centers. That is a geometrical example drawn from the transplant context, not a recommendation for every squash type or garden. The 48-to-72-inch row spacing still has to be chosen for your own access needs, supports, adjacent rows and mature habit. The source does not give you a single required between-row distance, so do not invent one.

One row is not an entire garden layout. A row plan tells you where plants sit along that line; it does not decide paths, bed edges, neighboring crops or how much room the mature plants need between rows. Those are separate choices you make and record.

  1. Label the scenario as a transplant row at 24-inch centers.
  2. Choose and record a row-to-row distance within the 48-to-72-inch range for your access and adjacent-row needs.
  3. Keep access, supports and mature habit as separate planning notes rather than folding them into the in-row count.

Source context: Utah State University Extension

Count transplants in the worked row

The verified example is one measured 144-inch row with 24-inch centers and 12-inch margins at both ends. The first center is at 12 inches and the last center is at 132 inches. Counting those positions gives 6 transplants. The counted item is transplants, not seeds, mounds or mature plants.

The linked row calculator can count this exact length, center interval and both end margins, in inches or centimeters. Use it to check the arithmetic after you have chosen and labeled the scenario. The calculator counts positions along the measured row; it does not choose your row-to-row distance or decide the rest of the garden layout.

  1. Enter the 144-inch row length, 24-inch center interval and 12-inch margin at both ends.
  2. Confirm the first center at 12 inches and the last at 132 inches.
  3. Check that the result is 6 transplants and that the counted item is labeled transplants.

Source context: Utah State University Extension

Mark and check the plan

Mark the row from the measured start, placing the first transplant center one end margin in. Continue at the chosen center interval and stop at the last center that fits before the far margin. Keep the row label, the interval, the margins and the counted item together so another person can read the plan without guessing.

Before planting, compare the marked row with your separate decisions about access, supports, adjacent rows and mature habit. If those decisions change, revise the row plan rather than silently changing the count. The example stays consistent only when the row length, center interval, margins and counted item are all stated.

  1. Mark the first and last centers and label the row as transplants.
  2. Record the row length, center interval and both end margins on the plan.
  3. Recheck the count against the marked positions before planting.

Source context: Utah State University Extension

A worked planning example

Check your measured example

One measured 144-inch row, with selected 24-inch centers and 12-inch margins at both ends. Count 6 transplants.

Reference and growing system: USU’s summer squash transplant example uses 24 inches within rows 48–72 inches apart. Its separate direct-sown mound system is not the same counting method.

QuantityCalculated result
Usable row length (in)144
Selected center spacing (in)24
Margin at each row end (in)12
Positions in this row6
First center from row start (in)12
Last center from row start (in)132
What is being countedtransplants

The worked example is one 144-inch row with 24-inch centers and 12-inch margins at both ends. It yields 6 counted transplants, with the first center at 12 inches and the last at 132 inches. This is a geometrical count from the USU transplant context, not a whole-garden layout or a spacing recommendation for every squash type.

Count this row in the spacing calculator ↗

Example inputs explain the method. Review the source context, chosen cultivar and actual site before planting or ordering.

Your before-you-plant checklist

  • The row is labeled as sowing, thinning or transplants.
  • The in-row center interval and the row-to-row distance are recorded as separate choices.
  • The mound system is not mixed with the transplant row count.
  • The 144-inch example shows 6 transplant positions with first center at 12 inches and last at 132 inches.
  • Access, supports, adjacent rows and mature habit are noted separately from the in-row count.

Questions that come up while planning

What spacing does the USU example give for summer squash transplants?

It uses 24 inches within rows that are 48 to 72 inches apart. That is a transplant example, and its separate direct-sown mound system is not counted the same way.

Does the 144-inch example recommend 24-inch spacing for all squash?

No. It is a geometrical example using the transplant context. Choose and label your own scenario, and decide row-to-row distance separately for access, supports, adjacent rows and mature habit.

What does the row calculator count in this example?

It counts transplant positions along one measured row using the row length, center interval and both end margins. For 144 inches, 24-inch centers and 12-inch margins, the count is 6 transplants.

Sources & method

Horticultural guidance is linked to its original source and regional context. Geometry and unit conversions are calculated separately. Read how we prepare and check a page.