Artichoke Spacing: Rows, Raised Beds and Plant Counts

What the source range covers, and what it does not

The source gives two numbers: an in-row interval of 18 inches between artichoke plants, and a row-to-row range of 24 to 36 inches. Treat the 18-inch figure as the spacing between plant centers within a row. Treat the 24-to-36-inch figure as a range for separating rows, not as a single fixed answer.

The source does not specify a cultivar, climate, soil, bed width or access requirement. It also does not tell you how far to place artichokes from a path, fence, wall or bed edge. Those choices belong to your site and must be made separately rather than copied from the row interval.

1. Write down the source interval you are using and label it as the in-row center spacing.
2. Note the row-to-row range separately so it is not confused with the in-row figure.
3. Record any site-specific distances you choose for paths, edges or adjacent rows, and keep them distinct from the source numbers.

Source context: Utah State University Extension

Choose one labeled scenario before marking

Pick one scenario and name it clearly, such as a single measured row in a raised bed. For that scenario, use the 18-inch in-row center spacing. This is a deliberate choice for the example, not a claim that 18 inches suits every artichoke planting.

Keep sowing, thinning and initial transplant placement separate from established-plant spacing. A seed or seedling may start at one position, while the final stand is judged by the centers of established plants. The count below refers to transplants placed at calculated centers, not to seeds sown or seedlings thinned.

1. Label the scenario in your notes, including the row length and the chosen in-row interval.
2. Decide the end margins you will use at both ends of the measured row.
3. Mark centers, not leaf edges, so the spacing is measured consistently.

Source context: Utah State University Extension

Worked example: one 144-inch row

The example uses a 144-inch row, 18-inch centers and 9-inch margins at both ends. The first center falls at 9 inches and the last at 135 inches. Counting positions at 18-inch intervals from the first center gives 8 transplants.

This is a geometrical count for one row. It does not describe a whole garden, a paired-row arrangement or a recommendation for how artichokes should be grown in every setting. The 9-inch margins are example values, not a source-derived edge distance.

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 for your measured row, then review the layout separately for access and mature habit.

1. Enter the measured row length, the 18-inch center interval and the same margin at both ends.
2. Confirm the first and last center positions before counting.
3. Check that the counted item is transplants, not seeds or thinned seedlings.

Source context: Utah State University Extension

Decide the rest of the layout separately

One counted row is not an entire garden plan. After the in-row count, decide how much room to leave for walking, tools, bed edges and any support you plan to use. Also decide how adjacent rows will be separated, using the source range only as context and not as a substitute for your own site assessment.

Consider the mature habit of the plants you are growing when judging whether the chosen row separation and edge margins leave enough room. The source does not supply those answers, so record your choices and check them against the actual bed before planting.

1. Sketch the row and its access paths on paper or in your notes.
2. Mark adjacent rows and any support locations separately from the counted centers.
3. Recheck the plan against the mature size of the plants before finalizing transplant positions.

Source context: Utah State University Extension